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LGMG S0607II Service Manual

Scissors mobile elevating work platform
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Service Manual
S0607Ⅱ/S0607EⅡ/S0608Ⅱ/S0608EⅡ/S0808Ⅱ
S0808EⅡ/S0812Ⅱ/S0812EⅡ/S1012Ⅱ/S1012EⅡ
S1212Ⅱ/S1212EⅡ/S1413Ⅱ/S1413EⅡ
Scissors Mobile Elevating Work Platform
△
WARNING
!
Before operation and maintenance, the
drivers and maintenance personnel are
required to read this manual thoroughly.
Otherwise, fatal accident may occur.
This manual shall be kept properly for
future reference by the personnel
concerned.
LINGONG HEAVY MACHINERY CO.，LTD.

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  • Page 1 Service Manual S0607Ⅱ/S0607EⅡ/S0608Ⅱ/S0608EⅡ/S0808Ⅱ S0808EⅡ/S0812Ⅱ/S0812EⅡ/S1012Ⅱ/S1012EⅡ S1212Ⅱ/S1212EⅡ/S1413Ⅱ/S1413EⅡ Scissors Mobile Elevating Work Platform △ WARNING Before operation and maintenance, the drivers and maintenance personnel are required to read this manual thoroughly. Otherwise, fatal accident may occur. This manual shall be kept properly for future reference by the personnel concerned.
  • Page 2 L I N G O N G H E A V Y M A C H I N E R Y C O . , L T D . Add.: 12F, Building 3, Lushang Olympic City, No. 9777, Jingshi Road, Lixia District, Jinan City, Shandong Province, China Tel: 86-0531-67605017 Technical service: 86-4009666569 Web: www.LGMG.com.cn Sales of accessories: 86-0531-67605016...

  • Page 3: Table Of Contents

    Service Manual of Scissors Mobile Elevating Work Platform Contents Foreword ................................V Safety Notices ..............................VIII Safety and Environment ..........................1 Terms and Definitions ......................... 3 Compliance ..........................3 Before maintenance ........................3 Workplace requirements ......................3 Safety precautions for maintenance and repair ................. 3 Intended use ..........................
  • Page 4 Service Manual of Scissors Mobile Elevating Work Platform 3.2.2 Installation of platform assembly ..................... 34 3.2.3 Folding of platform guardrail ....................35 3.2.4 Removal of pedal ........................36 3.2.5 Installation of pedal ........................36 3.2.6 Removal and installation of wheel frame and wheels ............36 3.2.7 Installation of wheel frames and wheels ..................
  • Page 5 Service Manual of Scissors Mobile Elevating Work Platform 3.6.7 Assembly of Brake Release Valve ................... 108 Other components ........................108 3.7.1 Assembly of Work Indicator Lamp ..................108 3.7.2 Assembly of inclination switch ....................108 3.7.3 Assembly of Upper and Lower Limit Switches ................ 109 3.7.4 Assembly of pit travel switch ....................
  • Page 6 Service Manual of Scissors Mobile Elevating Work Platform 4.15 One-button brake release function test (electric drive) ............133 4.16 Horizon sensor left and right inclination test ................. 134 4.17 Weighing calibration ....................... 134 4.18 Overload calibration ....................... 134 Maintenance ............................135 Checking the battery.......................

  • Page 7: Foreword

    Service Manual of Scissors Mobile Elevating Work Platform Foreword You are welcome to purchase and use the products produced by Lingong Heavy Machinery Co., Ltd. This manual introduces the technical parameter and maintenance adjustment data of Scissors Mobile Elevating Work Platform, and explains the troubleshooting and maintenance process for qualified professional maintenance personnel.

  • Page 8: Safety Notices

    Service Manual of Scissors Mobile Elevating Work Platform Safety Notices The operator should understand and follow the current national and local safety regulations. If there are no national or local regulations, the safety instructions in this manual shall be applicable. Most accidents are caused by failure to comply with the regulations on the operation and maintenance of the machine.

  • Page 9: Safety And Environment

    Service Manual of Scissors Mobile Elevating Work Platform 1 Safety and Environment...
  • Page 10 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 11: Terms And Definitions

    Service Manual of Scissors Mobile Elevating Work Platform 1.1 Terms and Definitions Administrator: the entity or individual that directly controls the use and application of the lifting platform, which usually refers to the owner, the renter or the authorized personnel of owner who obtains the control right of the lifting platform;...

  • Page 12: Intended Use

    Lingong Heavy Machinery Co., Ltd. Symbol representation Symbols, color codes and symbolic words used by LGMG products have the following meanings: Safety warning sign - used for warning of potential personal injury. Observe all safety tips after this sign to avoid possible personal injury or death.
  • Page 13 Service Manual of Scissors Mobile Elevating Work Platform Yellow - Indicating a dangerous situation. If not CAUTION avoided, it may cause minor or moderate personal injury. Blue - Indicating a dangerous situation. If not NOTE avoided, it may result in property damage.
  • Page 14 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 15: Product Introduction

    Service Manual of Scissors Mobile Elevating Work Platform 2 Product Introduction...
  • Page 16 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 17: Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform 2.1 Machine parameters 2.1.1 S0607Ⅱ (S060702WDQ0CH1000)machine parameters 1. Machine performance parameters Item Parameter Item Parameter Rated load (kg) Fork lifting time (s) 16±2 Extension platform load Fork lowering time (s) 28±3 (kg) Total weight (kg) 1610 Indoor (N)

  • Page 18: S0607Eⅱ (S060702Wdt0Ce1000) Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Rated speed (r/min) 3040 Output voltage (V) 6 (single piece) Battery Capacity (Ah) 225 (20-hours discharge rate) Nominal AC input voltage (V) 100-240AC Maximum AC input current (A) Charger Nominal DC output voltage (V) Maximum DC output current (A) Control system Voltage (V)

  • Page 19: S0608Ⅱ (S060802Wdq0Ch1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Type Open Pump displacement (ml/r) Functional Max. working pressure of lifting system system (MPa) Max. working pressure of steering system (MPa) 5. Hydraulic system Item Parameter Rated voltage (V) Rated current (A) Drive motor Rated power (kW) 0.81...

  • Page 20: S0608Eⅱ (S060802Wdq0Ce1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Item Parameter Item Parameter Overall length (with ladder Platform extension 2440 unfolded /folded) (mm) dimension (mm) Overall length (without 2270 Wheelbase (mm) 1850 ladder)(mm) Overall width (mm) Wheel track (mm) Overall height (guardrail Min.
  • Page 21 Service Manual of Scissors Mobile Elevating Work Platform front/rear Max. inner wheel turning Min. turning radius (m) 2.20 75° angle Max. travel speed Max. allowed wind speed 3.5±0.5 12.5 (stowed)(km/h) (m/s) Max. travel speed (lifted) 0.8±0.1 (km/h) Front wheel drive Drive mode Max.

  • Page 22: S0808Ⅱ(S080802Wdq0Ch1000) Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform 2.1.5 S0808Ⅱ(S080802WDQ0CH1000) machine parameters 1. Machine performance parameters Item Parameter Item Parameter 31±3 Rated load (kg) Fork lifting time (s) Extension platform load Fork lowering time (s) 40±3 (kg) Total weight (kg) 2200 Indoor (N) Max.

  • Page 23: S0808Eⅱ (S080802Wdq0Ce1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Capacity (Ah) 225 (20-hours discharge rate) Nominal AC input voltage (V) 100-240AC Maximum AC input current (A) Charger Nominal DC output voltage (V) Maximum DC output current (A) Control system Voltage (V) 5.

  • Page 24: S0812Ⅱ (S081202Wdq0Ch1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Max. working pressure of lifting system (MPa) Max. working pressure of steering system (MPa) 5. Hydraulic system Item Parameter Rated voltage (V) Rated current (A) Drive motor Rated power (kW) 0.81 Rated speed (r/min) 1917 Rated voltage (V) Rated current (A)

  • Page 25: S0812Eⅱ (S081202Wdq0Ce1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Item Parameter Item Parameter Overall length (with ladder Platform extension 2490 unfolded /folded) (mm) dimension (mm) Overall length (without 2270 Wheelbase (mm) 1850 ladder)(mm) Overall width (mm) 1180 Wheel track (mm) 1050 Overall height (guardrail Min.
  • Page 26 Service Manual of Scissors Mobile Elevating Work Platform front/rear Max. inner wheel turning Min. turning radius (m) 2.45 78° angle Max. travel speed Max. allowed wind speed 3.5±0.2 12.5 (stowed)(km/h) (m/s) Max. travel speed (lifted) 0.8±0.1 (km/h) Front wheel drive Drive mode Max.

  • Page 27: S1012Ⅱ (S101202Wdq0Ch1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform 2.1.9 S1012Ⅱ (S101202WDQ0CH1000)machine parameters 1. Machine performance parameters Item Parameter Item Parameter Rated load (kg) Fork lifting time (s) 58±4 Extension platform load Fork lowering time (s) 48±4 (kg) Total weight (kg) 2995 Indoor (N) Max.

  • Page 28: S1012Eⅱ (S101202Wdq0Ce1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Nominal AC input voltage (V) 100-240AC Maximum AC input current (A) Charger Nominal DC output voltage (V) Maximum DC output current (A) Control system Voltage (V) 5. Oil filling amount Item Parameter Hydraulic oil (L) 2.1.10 S1012EⅡ...

  • Page 29: S1212Ⅱ (S121202Wdq0Ch1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform system Pump displacement (ml/r) Max. working pressure of lifting system (MPa) Max. working pressure of steering system (MPa) 5. Hydraulic system Item Parameter Rated voltage (V) Rated current (A) Drive motor Rated power (kW) 0.81 Rated speed (r/min) 1917...

  • Page 30: S1212Eⅱ (S121202Wdq0Ce1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Item Parameter Item Parameter Overall length (with ladder Platform extension 2490 unfolded /folded) (mm) dimension (mm) Overall length (without 2270 Wheelbase (mm) 1850 ladder)(mm) Overall width (mm) 1180 Wheel track (mm) 1050 Overall height (guardrail Min.
  • Page 31 Service Manual of Scissors Mobile Elevating Work Platform front/rear Max. inner wheel turning Min. turning radius (m) 2.45 75° angle Max. travel speed Max. allowed wind speed 3.5±0.2 12.5 (stowed)(km/h) (m/s) Max. travel speed (lifted) 0.8±0.1 (km/h) Front wheel drive Drive mode Max.

  • Page 32: S1413Ⅱ (S141302Wdq0Ch1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform 2.1.13 S1413Ⅱ (S141302WDQ0CH1000)machine parameters 1. Machine performance parameters Item Parameter Item Parameter Rated load (kg) Fork lifting time (s) 80±4 Extension platform load Fork lowering time (s) 65±4 (kg) Total weight (kg) 3500 Indoor (N) Max.

  • Page 33: S1413Eⅱ (S141302Wdq0Ce1000)Machine Parameters

    Service Manual of Scissors Mobile Elevating Work Platform Nominal AC input voltage (V) 100-240AC Maximum AC input current (A) Charger Nominal DC output voltage (V) Maximum DC output current (A) Control system Voltage (V) 5. Oil filling amount Item Parameter Hydraulic oil (L) 25.5 2.1.14 S1413EⅡ...

  • Page 34: Specification For Selection Of Tightening Torque Of The Lifting Platform

    Service Manual of Scissors Mobile Elevating Work Platform system Pump displacement (ml/r) Max. working pressure of lifting system (MPa) Max. working pressure of steering 16.5 system (MPa) 5. Hydraulic system Item Parameter Rated voltage (V) Rated current (A) Drive motor Rated power (kW) 0.81 Rated speed (r/min)
  • Page 35 Service Manual of Scissors Mobile Elevating Work Platform Tightening torque of metric-threaded oil ports Tightening torque of imperial-threaded oil ports Fitting type Plug Fitting type Plug Thread Thread Pipe Pipe specificatio specificatio Type Type VSTI- Type Type VSTI- diameter diameter n (mm) n (Inch) M10X1.0...
  • Page 36 Service Manual of Scissors Mobile Elevating Work Platform after calculation; For Parker joints, the torque is to be selected according to the name and specification, and for ordinary joints, the torque is to be selected according to the thread specification. For example: GE 28 L M ED OMD A3C: GE for straight-through joint, 28 for pipe diameter, L for normal pressure, M for metric thread, ED for E-type elastic seal, OMD for no nut sleeve, A3C for galvanizing;...
  • Page 37 Service Manual of Scissors Mobile Elevating Work Platform 3) EW15LOMDA3C: EW represents a right-angle combination fitting. The torque value selected from Table 1 according to 15L is 32 N.m. Table 4: Tightening torque of ordinary bolts (unit: N.m) Nominal diameter of bolt mm Strength grade of Yield strength bolt...
  • Page 38 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 39: Service

    Service Manual of Scissors Mobile Elevating Work Platform 3 Service...
  • Page 40 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 41: Platform Control Unit

    Service Manual of Scissors Mobile Elevating Work Platform assembly and the fork PCU harness. 3.1 Platform control unit Pull the PCU harness out of the platform 3.1.1 Removal of PCU and put it on the side of the fork (ensure that the harness will not be pressed when the platform is being lifted).

  • Page 42: Installation Of Platform Assembly

    Service Manual of Scissors Mobile Elevating Work Platform guardrail assembly. △ CAUTION: Lift the platform through the two anchor points on the guardrails on both sides, and lifting by one sling is not allowed. Adjust the position of sling, and lift the platform assembly smoothly to separate it Fig.

  • Page 43: Folding Of Platform Guardrail

    Service Manual of Scissors Mobile Elevating Work Platform Hoist the platform assembly to the position extended platform. above the fork, and adjust the slider above Remove the PCU; the fork so that the side far from the hole Remove the M-type fixing seat between the faces up.

  • Page 44: Removal Of Pedal

    Service Manual of Scissors Mobile Elevating Work Platform the same time, prevent the left/right 3.2.5 Installation of pedal guardrail of the main platform from tipping 1. As shown in Fig. 3.5, thread the spring 4 over; Push the right guardrail of the main and the spring pin 5 through the part 3 and platform inward from the ladder or the install them into the spring seat 2, and fix...

  • Page 45: Installation Of Wheel Frames And Wheels

    Service Manual of Scissors Mobile Elevating Work Platform amount shall not exceed 3 mm/0.118 in, and ensure smooth sliding extended platform. Secure the wheel frame to the platform using the part bolt washer, tighten it to specified torque. △ CAUTION: Fig.

  • Page 46: Removal And Installation Of Semi-Swing Gate

    Service Manual of Scissors Mobile Elevating Work Platform 3.2.8 Removal and installation of semi-swing gate Fig. 3.8 Removal and installation of semi-swing gate 1. Spring 2. Nut 3. Washer 4. Bolt 5. Left door sill seam 6. Door 7. Plastic block 8. Clearance adjustment plate 9.

  • Page 47: Fork Assembly

    Service Manual of Scissors Mobile Elevating Work Platform 3.3 Fork assembly 3.3.1 Removal of third fork Fig. 3.9 Removal of third fork 1. #4 pin (steering end) 10. #1 pin 2. #3 outer arm 11. #3 inner arm 3. #3 center pin 12.
  • Page 48 Service Manual of Scissors Mobile Elevating Work Platform ring, washer and #3 center pin △ WARNING: danger of personal Remove #3 center shaft with a soft metal hammer and remove the 2nd to 3rd layer fork injury This procedure requires specific wiring plate.
  • Page 49 Service Manual of Scissors Mobile Elevating Work Platform 16. Attach the sling on the overhead crane to #3 △ WARNING: danger of personal inner arm (part 11). 17. Remove the securing fastener from pin #3 injury When the fork is lowered onto the (part 5) at the steering end of the machine.

  • Page 50: Third Layer Fork Assembly

    Service Manual of Scissors Mobile Elevating Work Platform b) Adjust the positions of first layer of inner may be damaged. frame and first layer of outer beam to align the 31. Attach the sling on the overhead crane to #1 middle shaft hole, knock in the shaft 3 on outer arm (part 22).
  • Page 51 Service Manual of Scissors Mobile Elevating Work Platform b) Use the traveling crane to lower the oil cylinder layer fork, and the blue line position oil pipe shall be respectively wound with 500 mm long to the rear end of the inner frame, adjust the PVC protection.
  • Page 52 Service Manual of Scissors Mobile Elevating Work Platform 3） Install the strap to the wiring plate fixing hole, smooth the harness, and use the installed strap to bind the harness firmly; g) The 2 main valve oil pipes in the chassis are wrapped with 500 mm long PVC from 50-60 mm after the last binding point of the fork frame for protection, as shown in Fig.
  • Page 53 Service Manual of Scissors Mobile Elevating Work Platform groove of part 6 with circlip pliers. Fig. 3.16 Installation of second-layer fork 2. Bolt 3.Nut 4.Washer 5.Retaining ring 9.Pin Fig. 3.17 Assembly of fork protective arm i) Adjust the position of the second layer inner 1.
  • Page 54 Service Manual of Scissors Mobile Elevating Work Platform second-layer inner frame, as shown in Fig. shall be inserted from the front end of the fork; 3.18; Tighten the part 2/3; f) When the PCU harness is wound around the d) Install the part 4 into the end of the shaft arc to the wiring plate, the harness needs to circlip 6 and install the part 5 into the groove be close to the round pipe at the rear end of...
  • Page 55 Service Manual of Scissors Mobile Elevating Work Platform 2. Bolt 3. Nut 4. Washer 5. Retaining ring 6. Pin third-layer inner frame, and then smash the i) Adjust the positions of the three-layer inner shaft of part 1. Note that the hole end of the shaft faces outward, and smash it from the left frame and outer beam to align the middle side of the fork;...

  • Page 56: Removal Of Fourth Fork

    Service Manual of Scissors Mobile Elevating Work Platform 3.3.3 Removal of fourth fork Fig. 3.24 Forth fork assembly 1. # 5 pin 9. No.1 center pin 17. #3 pin (non-steering end) 2. No.4 center pin 10. #1 inner arm 18. #2 inner arm 3.
  • Page 57 Service Manual of Scissors Mobile Elevating Work Platform 6. Remove securing fasteners of outer retainer △ WARNING: danger of personal ring, washer and #4 center pin. injury 7. Remove #4 center shaft with a soft metal This procedure requires specific hammer and remove the 3rd to 4th layer fork maintenance skills, lifting equipment wiring plate.
  • Page 58 Service Manual of Scissors Mobile Elevating Work Platform 29. Attach the sling on the overhead crane to #3 hammer. Remove #3 outer arm on the tank side (part 16) from the machine. inner arm (part 15). Lift the arm to the vertical position.
  • Page 59 Service Manual of Scissors Mobile Elevating Work Platform 40. Remove the outer retainer ring, washer and on the lift cylinder. Cover the connector on the the securing fastener of the center pin #2 (part cylinder. 7) on the battery box side. △...

  • Page 60: Fourth Layer Fork Assembly

    Service Manual of Scissors Mobile Elevating Work Platform unbalanced and fall if not properly supported. damage If the cable is twisted or squeezed, it may be damaged 3.3.4 Fourth layer fork assembly 57. Attach the sling on the overhead crane to #1 1.
  • Page 61 Service Manual of Scissors Mobile Elevating Work Platform Tools: fork single-layer hanger, copper Tools: rubber pad, copper hammer, torque hammer, circlip pliers, torque wrench 16, wrench, sleeve, electric impact wrench Tightening torque of Part 3: 52± 5 N.m electric impact wrench, sleeve 16#, rubber protective pad 900*300 Tightening torque of part 5: 40±...
  • Page 62 Service Manual of Scissors Mobile Elevating Work Platform 1. Second inner arm assembly 2. Bolt 3. Nut 4. Washer 5. Retaining ring 6. Pin Lift the second-layer inner frame to the upper side of the first-layer inner frame, between the two arms of the first-layer outer beam, and pay attention to the placement direction of the inner frame;...
  • Page 63 Service Manual of Scissors Mobile Elevating Work Platform tube, and install the parts 2 and 3. Note that must be placed steadily before the the bolts fixed at the shaft end must be other side is lifted. After the outer penetrated from the front end of the fork;...
  • Page 64 Service Manual of Scissors Mobile Elevating Work Platform inner frame support plate as shown in the yellow circle in the Fig. above. Tools: electric impact wrench, sleeve, torque wrench Part 2 tightening torque: 52± 5 N.m Fig. 3.34 Installation of third layer fork 1.
  • Page 65 Service Manual of Scissors Mobile Elevating Work Platform of outer arm beam tube through-hole concentric. Install e) Lift and place parts 7, 8 to both sides of the the parts 2 and 3. Note that the bolt fixed at the shaft end should be inserted from the front third layer inner frame respectively, pay end of the fork;...
  • Page 66 Service Manual of Scissors Mobile Elevating Work Platform draw the mark MARK; Note: the gasket is on 1. The fifth inner arm assembly 2. Bolt 3. Nut 4. the nut side; Washer 5. Retaining ring 6. Pin a) Lift the fourth layer inner frame to the upper Tools: pin, safety pin, bolt, nut, washer Tightening torque of part 3: 52±...
  • Page 67 Service Manual of Scissors Mobile Elevating Work Platform the shaft mounting circlip faces inward and is right axis of the middle of the four-layer fork; l) Insert Part 4 into the Part 8 axis circlip end smashed from the left side of the fork; g) Thread part 2 into the left hole of part 6, adjust (two on the left axis, and one on the right axis the pin through hole so that it is concentric...

  • Page 68: Removal Of Fifth Layer Fork

    Service Manual of Scissors Mobile Elevating Work Platform 3.3.5 Removal of fifth layer fork Fig. 3.43 Fifth layer fork assembly 1. #6 pin 11. #2 center pin 21. #4 pin (non-steering end) 2. #5 center pin 12. #2 pin (steering end) 22.
  • Page 69 Service Manual of Scissors Mobile Elevating Work Platform machine. △ WARNING: danger of personal 8. Remove the securing fastener from the #5 pin (No. 18) at the non-steering end. injury This procedure requires specific 9. Remove #5 pin (No. 18) from the non-steering end of the machine using a soft metal hammer.
  • Page 70 Service Manual of Scissors Mobile Elevating Work Platform #4 outer arm (No. 20) on the ground control from the machine, it may become side. unbalanced and fall if the #4 outer arm is 19. Remove the securing fastener from the #4 not properly supported.
  • Page 71 Service Manual of Scissors Mobile Elevating Work Platform 48. Connect the sling from the overhead crane to △ WARNING: danger of personal #3 inner arm. 49. Remove the securing fastener from #3 pin injury When removing the #3 outer arm (No.
  • Page 72 Service Manual of Scissors Mobile Elevating Work Platform 60. Remove No. 2 pin (No. 12) from the steering pin with a soft metal hammer. Remove the lift end of the machine with a soft metal hammer. cylinder from the machine. Remove #2 inner arm (No.

  • Page 73: Installation Of Fifth Layer Fork

    Service Manual of Scissors Mobile Elevating Work Platform d) Adjust the position of the inner frame and part △ WARNING: danger of personal 1, and smash the shaft of part 2 into it. Note that the end of the shaft mounting circlip faces injury When removing the #1 inner/outer inward and smash into it from the left side of...
  • Page 74 Service Manual of Scissors Mobile Elevating Work Platform c) Thread part 2 into the left end hole of part 1, adjust part 10 to the outer frame shaft sleeve clamping hole, and install the part 11. Please adjust the mounting hole of part 2 to note that the bolt fixed at the shaft end should mounting hole the inner frame, fix it on the be inserted from the front end of the fork;...
  • Page 75 Service Manual of Scissors Mobile Elevating Work Platform c) Continue to arrange the oil pipes backward a) Push the inner frame material trolley to the from the first mounting plate along the right position of the fork part installation trolley, side of the inner frame, note that the oil pipes raise the hydraulic lifting platform, place the shall not cross, and then fix the oil pipe at the...
  • Page 76 Service Manual of Scissors Mobile Elevating Work Platform plug hole facing upward, the subsequent third part 8 on both sides respectively, and note and fourth layers are the same as this that the end of the shaft mounting snap ring requirement, and the outer frame of the fifth faces inward;...
  • Page 77 Service Manual of Scissors Mobile Elevating Work Platform 7. Installation of third layer fork Fig. 3.53 Installation of third layer fork 1. Third inner arm assembly 2. Pin 3. Bolt 4. Nut 5. Washer 6. Retainer ring 7. Outer arm welding Fig.
  • Page 78 Service Manual of Scissors Mobile Elevating Work Platform the hole, and then hit the axis of the part 8. Note that the end of the shaft hole is outward, and hit the left side of the fork frame. j) Insert the part 9 into the left end hole of the part 8, adjust the mounting hole of the part 9 to mounting hole the ear plate, and use Fig.
  • Page 79 Service Manual of Scissors Mobile Elevating Work Platform the third layer inner frame, take out the backing plate, and slowly lower the inner frame, taking care not to press it to the wiring plate; Fig. 3.57 Installation of third layer fork 13.
  • Page 80 Service Manual of Scissors Mobile Elevating Work Platform upper end of the upper oil cylinder, connect Fig. 3.60 Installation of fourth layer fork 1. Fourth inner arm assembly 2. Pin 3. Bolt 4. Nut the return pipe, put the throat hoop at the 5.
  • Page 81 Service Manual of Scissors Mobile Elevating Work Platform part 4. Note that the bolt fixed at the shaft end should be inserted from the front end of the fork; g) Adjust the four-layer outer frame to be concentric with the shaft hole at the rear end of the three-layer inner frame, and then Fig.
  • Page 82 Service Manual of Scissors Mobile Elevating Work Platform 15. Fastening ring 16. Screw 17. Fastening ring pay attention to the shaft mounting circlip end 18. Screw facing inward, smash in from the left side of o) Use part 15 to fix part 14 at the rear pipe of the fork;...
  • Page 83 Service Manual of Scissors Mobile Elevating Work Platform lug plate, and then smash the shaft of part 7. Note that the hole end of the shaft faces outward, and smash it from the left side of the fork; i) Insert the part 8 into the left end hole of the part 7, adjust the mounting hole of the part 8 to mounting hole the ear plate, and use the Fig.
  • Page 84 Service Manual of Scissors Mobile Elevating Work Platform s) Fix the PCU harness at the upper hole of the wiring plate with a strap as shown in the Fig., and pay attention to fixing with the upper hole only; t) Lay the front end of the PCU harness to the front end of the fork and fix it on the right side of the fifth-layer of outer frame.

  • Page 85: Removal Of Six-Layer Fork

    Service Manual of Scissors Mobile Elevating Work Platform 3.3.7 Removal of six-layer fork Fig. 3.71 Six-Layer Fork Assembly 1. Pin #7 13. #2 center pin 24. #4 inner arm 2. Center pin #6 14. #2 pin (steering end) 25. #4 outer arm 3.
  • Page 86 Service Manual of Scissors Mobile Elevating Work Platform 20) at the non-steering end. △ WARNING: danger of personal Remove pin #6 (No. 20) from the non- steering end of the machine by using a soft injury This procedure requires specific metal hammer.
  • Page 87 Service Manual of Scissors Mobile Elevating Work Platform hammer. machine. 18. Remove the securing fastener from the pin 31. Connect the sling on the overhead crane to #5 (No. 23) at the non-steering end. the #4 inner arm (No. 24). Lift the arm to the 19.
  • Page 88 Service Manual of Scissors Mobile Elevating Work Platform and place a 10 cm×10 cm×1.2 m cushion hammer. block on the connecting rod layer to access △ WARNING: danger of personal the cylinder barrel end pivot (index 27). 40. Mark, disconnect and plug the hoses and injury When removing the cylinder pin Harness on the upper lift cylinder and cover...
  • Page 89 Service Manual of Scissors Mobile Elevating Work Platform 59. Remove center pin #2 with soft metal hammer. When lowering the cylinder, do not 60. Remove the securing fastener from pin #2 touch the moving parts by hand. (No. 32) at the non-steering end. 72.

  • Page 90: Installation Of Sixth Layer Fork

    Service Manual of Scissors Mobile Elevating Work Platform 85. Remove the travel switch protection cover 1. First outer arm welding 2. First inner arm plate securing fastener located at inner arm assembly 3. Pin 4. Bolt 5. Nut 6. Washer 7. #1 and remove the travel switch protection Retainer ring cover plate from the machine.
  • Page 91 Service Manual of Scissors Mobile Elevating Work Platform sides, and the washer and nut are on the wrench outside. Tightening torque of Part 3: 52±5 N.m Tools: fork single-layer spreader, copper Installation of first layer pipeline hammer, circlip pliers, torque wrench, electric impact wrench, sleeve Tightening torque of part 5: 40±...
  • Page 92 Service Manual of Scissors Mobile Elevating Work Platform Fig. 3.77 Installation of second layer fork 2. Bolt 3. Nut 4. Retainer ring 5. Washer 6. Pin 7. Left welding of the second outer arm 8. Right welding of the second outer arm Lift and place parts 7 and 8 to the two sides of the inner frame of the second floor separately, pay attention to the direction of...
  • Page 93 Service Manual of Scissors Mobile Elevating Work Platform Fig. 3.78 Installation of second layer fork 2. Bolt 3. Nut 4. Retainer ring 5. Washer 9. Pin Adjust the position of the inner frame and the Fig. 3.79 Installation of second layer pipeline outer beam of the second layer to align the 1.
  • Page 94 Service Manual of Scissors Mobile Elevating Work Platform shown in Fig. 3, the two ends are wound ring by 2 mm;  and fixed with adhesive tape. When bundling the harness at the wiring  When the pipeline is bundled on the plate, only use the upper fixing hole on wiring plate, only the side fixing holes on the wiring board to fix it;...
  • Page 95 Service Manual of Scissors Mobile Elevating Work Platform Installation of third layer fork Fig. 3.83 Installation of third layer fork 1. Third inner arm assembly 2. Bolt 3. Nut 4. Fig. 3.82 Installation of third layer fork Retainer ring 5. Washer 6. Pin 7. Third outer arm 1.
  • Page 96 Service Manual of Scissors Mobile Elevating Work Platform hole of the second-layer inner frame tube and the hole of the part 9, and install the part 3. Note that the fixed bolt of the shaft end shall be inserted from top to bottom; Tighten the part 2/3;...
  • Page 97 Service Manual of Scissors Mobile Elevating Work Platform take out the backing plate, and slowly lower Tools: copper hammer, torque wrench, the inner frame. sleeve and electric impact wrench Tools: fork single-layer hanger, copper Tightening torque of Part 3: 52± 5 N.m hammer, torque wrench, sleeve, electric impact wrench 10.
  • Page 98 Service Manual of Scissors Mobile Elevating Work Platform position in Fig. 2, and respectively wrap Connect the return pipe of the upper oil with 1500 mm long PVC; cylinder and assemble it on the oil return hole  Smooth and connect the upper oil joint of the upper oil cylinder, and note that the cylinder oil pipe and harness (all joint direction is parallel to the oil cylinder;...
  • Page 99 Service Manual of Scissors Mobile Elevating Work Platform to align the bolt fixing hole of the pin through Install part 5 into the right side of the shaft of the four-layer inner frame pipe of the part 1, part 7, then install the part 4 into the groove and insert the part 2 into the four-layer inner of part 7 with a circlip pliers.
  • Page 100 Service Manual of Scissors Mobile Elevating Work Platform 1. The fifth inner arm assembly 2. Bolt 3. Nut 4. Retainer ring 5. Washer 6. Pin Push the fork material trolley to the position of the fork assembly trolley, raise the hydraulic lifting platform, put the fifth inner frame of part 1 to the upper side of the four-layer inner frame, and pay attention to the placement...
  • Page 101 Service Manual of Scissors Mobile Elevating Work Platform side of the fork. wrench, electric impact wrench, circlip Note: the end of the shaft with circlip faces pliers outward and is knocked in from both Tightening torque of part 3: 40± 4 N.m sides of the fork.
  • Page 102 Service Manual of Scissors Mobile Elevating Work Platform  shown in Fig. 3.98, tighten with a ratchet The position where the PCU harness and wrench and mark with a Mark pen; power harness are arced should be tied with small strap. 17.
  • Page 103 Service Manual of Scissors Mobile Elevating Work Platform Retainer ring 5. Washer 6. Pin 7. Sixth outer arm Install the wiring plate to the inner side of the assembly right shaft, and then install the part 5 into the Lift the outer beam of part 7 to the outer side end side of the k circlip in the shaft of the part of the sixth inner arm assembly of part 1, 10 (one with wiring plate assembly and two...

  • Page 104: Fork Slider Replacement

    Service Manual of Scissors Mobile Elevating Work Platform installing the lower slider. Connect the sling on the overhead crane to the fork assembly. Note: before installing the fork, measure 10. Slide the fork assembly out of the chassis the size between the slides on until two fork sliders are reached.

  • Page 105: Battery Side Assembly

    Service Manual of Scissors Mobile Elevating Work Platform components shall be carried out in 3.4 Battery Side Assembly the reverse order to the assembly, and will not be described in detail. 3.4.1 Left Lock Assembly The following cases are the same. 3.4.2 Assembly horn and buzzer Fig.

  • Page 106: Assembly Of Fuse Holder And Dc Power Switch

    Service Manual of Scissors Mobile Elevating Work Platform 1. Battery 2. Screw 3. Rubber plate 4. Pressure 3.4.3 Assembly of fuse holder and DC plate 5. Washer 6. Nut 7. Battery sheath power switch Put the 4 batteries into the battery box. The placement direction is as shown in the Fig.

  • Page 107: Fuel Tank Side Assembly

    Service Manual of Scissors Mobile Elevating Work Platform bottom of battery box (with the elbow at the Before tightening it to specified torque, bottom) from bottom to top, and place the straighten out the pipeline, tighten the oil pipe and rubber plate (part 3), rubber plate (part 4), the oil-absorbing tube side, and then tighten it pressure plate (part 5), washer (part 6) and...

  • Page 108: Assembly Of Power Unit

    Service Manual of Scissors Mobile Elevating Work Platform 3.5.4 Filter assembly 3.5.2 Assembly of power unit Fig. 3.114 Filter 1. Filter 2. Straight fitting 3. Filter bracket 4. Bolt Fig. 3.112 Power Unit 5. Washer 6. Bolt 7. Nut Install the power unit on the tank side seam 1.

  • Page 109: Assembly Of Mcu

    Service Manual of Scissors Mobile Elevating Work Platform control panel to the ground control panel 3.6 Axle assembly seam, and then tighten them; 3.6.1 Removal of steering cylinder △ 3.5.6 Assembly of MCU Caution： Take S1413E Ⅱ as an example (the MCUs of During removal hose...

  • Page 110: Removal Of Steering Knuckle

    Service Manual of Scissors Mobile Elevating Work Platform hose on the steering cylinder. Cover the from the machine, pay attention to the connector on the cylinder. number and position of spacer bush Remove the steering cylinder from the between the steering knuckle and the machine.
  • Page 111 Service Manual of Scissors Mobile Elevating Work Platform nut. washers removed. c. Unscrew the wheel castle nut and do not Remove the travel motor from the steering remove it. knuckle. d. Place the jack at the lower center of the drive △...

  • Page 112: Disassembly And Assembly Of Gear Pump

    Service Manual of Scissors Mobile Elevating Work Platform pump. Drive motor removal (electric drive) △ △ Danger： Caution： If there is spray, the hydraulic During removal hose oil may penetrate into the skin and burn assembly or connector, the connector it.
  • Page 113 Service Manual of Scissors Mobile Elevating Work Platform hydraulic tank and remove the hydraulic △ Danger of component damage tank from the pump/valve assembly. The working area and surface where 2. Installation of hydraulic tank (Power this step is performed must be clean to unit model) ensure that...

  • Page 114: Brake Disc Disassembly

    Service Manual of Scissors Mobile Elevating Work Platform machine. Cover the connector on the in the above Fig., and other pump. models are similar. Remove the securing fastener of △ hydraulic tank and remove the hydraulic Caution： tank from the machine. When tightening the oil suction steel △...
  • Page 115 Service Manual of Scissors Mobile Elevating Work Platform Support and secure the ladder assembly to dissipate pressure. Avoid the appropriate supporting equipment, hydraulic oil injection. remove the ladder mounting fasteners, and Place a support block under the brake disc remove the ladder assembly from the for support to prevent falling.

  • Page 116: Assembly Of Brake Release Valve

    Service Manual of Scissors Mobile Elevating Work Platform 5. Connect the hose connecting the BR port of 2、Make sure that the 24° taper rubber the main valve to the connector C, tighten it to hose is concentric with the connected specified torque.

  • Page 117: Assembly Of Upper And Lower Limit Switches

    Service Manual of Scissors Mobile Elevating Work Platform parallel to the lateral center line, and the Y- 3.7.4 Assembly of pit travel switch Y axis is parallel to the longitudinal center line. The reference torque of Part 2 is 6 N.m. Tool: Allen wrench 4.

  • Page 118: Assembling Of Gas Spring, Connecting Rod And Welded Connecting Rod Assembly

    Service Manual of Scissors Mobile Elevating Work Platform the rear end face is flush with the pipe ball joint hinge bolt head of the piston rod end assembly after assembling. of the gas spring (Part 1) to the reserved Assemble the shaft sleeve (part 2) into the threaded holes of gas spring pin, and tighten shaft holes at both ends of the shaft fixing them.
  • Page 119 Service Manual of Scissors Mobile Elevating Work Platform Fig. 3.131 Rear Wheel 1. Bolt 2. Washer 3. Nut 4. Tire assembly 5. Hub assembly 6. Rim bolt Take the bolts (part 1), washers (part 2) and nuts (part 3) to fix the hubs (part 6) to the corresponding positions on the left and right sides of the chassis, and tighten them to specified torque;；...

  • Page 120: Valve

    Service Manual of Scissors Mobile Elevating Work Platform 3.8 Valve 3.8.1 Installing the spool 1. Immerse the spool in clean oil to lubricate the O-ring. 2. Manually screw in the spool until it reaches the top of the O-ring, and then adjust the torque to meet specification requirements.

  • Page 121: Power Unit(S0607Eⅱ)

    Service Manual of Scissors Mobile Elevating Work Platform One-way flow of hydraulic Check valve 40-45 Limiting Relief valve assembly 40-45 maximum lifting pressure Limiting Relief valve assembly 40-45 maximum steering pressure Operation of reversing Coil valve Operation of reversing Coil valve Valve block 3.8.3 Power unit(S0607EⅡ)

  • Page 122: Scissor Lift Platform Control Valve (0608Eⅱ、0808Eⅱ、S12Eⅱ、S1413Eⅱ)

    Service Manual of Scissors Mobile Elevating Work Platform 3.8.4 Scissor lift platform control valve (0608EⅡ、0808EⅡ、S12EⅡ、S1413EⅡ) Fig. 3.134 Scissor lift platform control valve Installation Serial Name Function Pressure value torque number (Nm) Maximum pressure of Relief valve assembly 40-45 the limit system Switching of Two-position four-way solenoid traveling/lifting...

  • Page 123: Scissor Lift Platform Control Valve(S12Ⅱ)

    Service Manual of Scissors Mobile Elevating Work Platform 3.8.5 Scissor lift platform control valve(S12Ⅱ) Fig. 3.135 Scissor lift platform control valve Installation Serial Name Function Pressure value torque number (Nm) Maximum pressure of the Relief valve 40-45 limit system Two-position four-way solenoid Switching of traveling/lifting valve functions...

  • Page 124: Scissor Lift Platform Control Valve(S1413Ⅱ)

    Service Manual of Scissors Mobile Elevating Work Platform Plug Plug 4 BN-04 WD One-way flow of hydraulic Built-in check valve STTY002-1.5 Damping assembly M6 STTY002- Ensure the stable flow during steering Valve block 3.8.6 Scissor lift platform control valve(S1413Ⅱ) Fig. 3.136 Scissor lift platform control valve Serial Installation torque Name...

  • Page 125: Lower Cylinder Valve Block Assembly

    Service Manual of Scissors Mobile Elevating Work Platform switching Solenoid valve Control high and low speed walking Balance valve Blance motor pressure 70-75 One-way flow of hydraulic Check valve 27.1 Damping assembly M6 Ensure stable flow Coil Coil Plug 11-12 Plug 25-28 Plug...

  • Page 126: Lower Lift Cylinder Valve Block Assembly(S12Ⅱ、S12Eⅱ、S1413Ⅱ、S1413Eⅱ)

    Service Manual of Scissors Mobile Elevating Work Platform Proportional control of Proportional solenoid valve 34-41 hydraulic oil flow M6 damping assembly Ensure stable flow Plug 11-12 Plug 25-28 O-ring Seal 3.8.8 Lower lift cylinder valve block assembly(S12Ⅱ、S12EⅡ、S1413Ⅱ、S1413EⅡ) Fig. 3.138 Lower lift cylinder valve block assembly Serial Installation Name...

  • Page 127: Upper Cylinder Valve Block Assembly(S1413Ⅱ、S1413Eⅱ)

    Service Manual of Scissors Mobile Elevating Work Platform 3.8.9 Upper cylinder valve block assembly(S1413Ⅱ、S1413EⅡ) Fig. 3.139 Upper cylinder valve block assembly Serial Name Function Pressure value Installation torque (Nm) number Valve block Control of hydraulic oil Solenoid valve 20-25 flow Limiting Relief valve 40-45...
  • Page 128 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 129: Commissioning

    Service Manual of Scissors Mobile Elevating Work Platform 4 Commissioning...
  • Page 130 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 131: Basic Function Check

    Service Manual of Scissors Mobile Elevating Work Platform 1) When the fork up button is pressed in situ, 4.1 Basic function check the lifting is normal; 2) When the fork down button is pressed in situ, the lowering is normal; 5.

  • Page 132: Testing Key Switch

    Service Manual of Scissors Mobile Elevating Work Platform bolts of the front mounting plates of the fixing bolts of the main platform and the bottom layer and the top layer; extended platform; 5) Check the fixing bolt of the fork safety Check the fastening of the platform lifting fixing bolt.

  • Page 133: Horn Test

    Service Manual of Scissors Mobile Elevating Work Platform Result: no action is performed on the Apply identification glue on sensor bolt. machine. Turn key switch to ground control. 4.6 Testing emergency stop Check the lifting and lowering functions function in the PCU. Result: the machine has no action Turn the key switch to the off position.

  • Page 134: Testing Drive Speed

    Service Manual of Scissors Mobile Elevating Work Platform abnormal noises. The hydraulic release is turned to the PCU. brake system shall also function properly. To complete the brake function test, the 4.7 Testing drive speed machine must be carried out on a solid, flat This check is carried out every 25 hours or and obstacle-free ground to ensure that the once a month, whichever comes first.

  • Page 135: Testing Limit Switch And Pothole Protection Switch

    Service Manual of Scissors Mobile Elevating Work Platform Result: the diagnostic display will display 4.9 Testing limit switch code 11, the alarm sounds, and the pothole protection switch lifting function responds normally. The Good limit switch is crucial to the machine functions normally.
  • Page 136 Service Manual of Scissors Mobile Elevating Work Platform ground. For the lifting height of each model, and drive functions are not available. The see "lifting height of each model" in the table machine functions normally. above. Result: the diagnostic display does not display the 15.

  • Page 137: Testing Platform Overload System

    Service Manual of Scissors Mobile Elevating Work Platform Shut down the machine. Upper limit switch 4.10 Testing platform overload This check is carried out every 25 hours or system once a month, whichever comes first. 1. Perform this step every 50 hours or a A good limit switch is essential for machine quarter, whichever comes first, or performance and safe operation.

  • Page 138: Test Emergency Lowering Cable

    Service Manual of Scissors Mobile Elevating Work Platform 4) Open the limit switch base cover arm is in full contact with the shaft sleeve. installed on the chassis. △ WARNING: Risk of crushing 5) Remove the limit switch cap. When the platform is lowered, make 6) Short-circuit the limit switch with a wire so that the limit switch is normally sure that the hands are in the correct...
  • Page 139 Service Manual of Scissors Mobile Elevating Work Platform connected to the power supply, the charger displays "AC, voltage, CPU, 0.07, charging program code, power percentage, voltage and current" in turn. During the test, check the display content of the charger and stop charging until the current is displayed.

  • Page 140: Pressure Parameter Test

    Service Manual of Scissors Mobile Elevating Work Platform 4.13 Pressure parameter test Pressure parameter test System relief pressure Lift relief pressure Steering overflow pressure Drive type Vehicle model (MPa)(± 0.5MPa) (MPa)(± 0.5MPa) (MPa)(± 0.5MPa) S0607EⅡ S0608EⅡ S0808EⅡ Electric S0812EⅡ vehicle S1012EⅡ...

  • Page 141: Manual Release Valve Function Test (Hydraulic Drive)

    Service Manual of Scissors Mobile Elevating Work Platform Adjustment position schematic: 4.14 Manual release valve function test (hydraulic drive) Manual Release Valve Fig. 4.11 Brake release test: 1. Park the complete machine on the brake Fig. 4.8 Pressure regulation for relief valve of release test ramp: hydraulically-powered vehicle Press the brake release valve black...

  • Page 142: Horizon Sensor Left And Right Inclination Test

    Service Manual of Scissors Mobile Elevating Work Platform buzzer will beep continuously; calibration to be completed. Observe whether vehicle will automatically move down the ramp; 4.18 Overload calibration If it can move, it is conforming; if it can't Park the vehicle in the heavy load calibration move, make a record and find the reason area, that is, in front of the climbing bench;...

  • Page 143: Maintenance

    Service Manual of Scissors Mobile Elevating Work Platform 5 Maintenance...
  • Page 144 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 145: Checking The Battery

    Service Manual of Scissors Mobile Elevating Work Platform △ WARNING: Observing the regulations  The operator can only perform the routine maintenance items specified in this manual.  According to the requirements specified by the manufacturer, the regular maintenance inspection shall be completed by trained maintenance technicians 5.1 Checking the battery The good condition of the battery is essential for normal machine performance and safe operation.
  • Page 146 CAUTION: For specific battery charging operation steps, please refer to the operation and maintenance manual of the lifting platform from LGMG. If you want to know more about the charging operation, please contact the After-sales Service Department of LGMG. 2. Common faults and troubleshooting of battery...
  • Page 147 Service Manual of Scissors Mobile Elevating Work Platform Connect and start the discharger, record the running time in minutes when the discharge is completed, and use the following formula to correct the number of minutes of running time for temperature (valid between 24℃...

  • Page 148: Check The Hydraulic Oil

    Service Manual of Scissors Mobile Elevating Work Platform once a month, whichever comes first. 2. Changing or testing hydraulic oil is critical to 5.2 Check the hydraulic oil the performance and service life of the Check the hydraulic oil level equipment.

  • Page 149: Check The Wire

    Service Manual of Scissors Mobile Elevating Work Platform return filter. △ Warning： 7. Fill the oil tank with hydraulic oil, be careful not to spill, and tighten the filler cap. Operation in a live circuit may 8. Start the oil pump to fill the entire hydraulic result in serious injury or death.

  • Page 150: Check Tire And Hub

    Service Manual of Scissors Mobile Elevating Work Platform 3. Turn the key switch to the PCU and pull out essential for safe operation and good performance. Failure of tires and hubs may cause the machine the red emergency stop button on the GCU to tip over.

  • Page 151: Inspect The Chassis Tray Lock

    Service Manual of Scissors Mobile Elevating Work Platform Continue with step 3. △ Caution： During inspection of the ventilation and exhaust of the tank cap, the air shall be able to pass freely. 3. Clean the tank vent cap carefully with a mild solvent with pressure...

  • Page 152: Inspection And Replacement Of Brushes

    Service Manual of Scissors Mobile Elevating Work Platform 5.10 Inspection and replacement of brushes △ WARNING: It is forbidden to carry out inspection and maintenance when the power is on. 4. Regular inspection Check the motor at least once every 100 Fig.

  • Page 153: Replacing Hydraulic Tank Return Filter Element

    Service Manual of Scissors Mobile Elevating Work Platform the brush and the commutator. △ Caution: Do not use the motor in case of over-load or under-voltage, otherwise it may cause large current and accelerate brush wear. Fig. 5.4 Brush 1. Bolt 2. Window cover plate 3. Brush 5.11 Replacing hydraulic tank...
  • Page 154 Service Manual of Scissors Mobile Elevating Work Platform element. 3. Apply a layer of hydraulic oil to the filter sealing ring and tighten it with a wrench. 4. Use the marker pen to note the replacement time and date on the filter element replacement sheet.

  • Page 155: Maintenance Items

    Service Manual of Scissors Mobile Elevating Work Platform 5.12 Maintenance Items Maintenance Items： Maintenance Routine Level 1 Level 2 Level 3 Level 4 Level 5 level inspection maintenance maintenance maintenance maintenance maintenance Maintenance Every day 25h/1m 50h/3m 100h/6m 200h/12m 400h/24m period △...
  • Page 156 Service Manual of Scissors Mobile Elevating Work Platform wired firmly Check if limit switch rocker ● ● ● ● ● ● arms are wired loosely Check whether the angle sensor ● ● ● ● ● ● harness and connector are secure Check whether the...
  • Page 157 Service Manual of Scissors Mobile Elevating Work Platform system pressure is normal Check whether the ● ● ● ● ● ● lift pressure system is normal Check whether the steering ● ● ● ● ● ● system pressure is normal Check whether the running...
  • Page 158 Service Manual of Scissors Mobile Elevating Work Platform machine are loose and make abnormal noise Check whether the circlip and ● gasket of the scissor arm are invalid Check whether the emergency ● lowering device is normal Check the platform, fork and chassis ●...

  • Page 159: Appendix

    Service Manual of Scissors Mobile Elevating Work Platform Appendix...
  • Page 160 Service Manual of Scissors Mobile Elevating Work Platform...

  • Page 161: Appendix I Error Code

    Service Manual of Scissors Mobile Elevating Work Platform Appendix I Error code △ Caution: In false alarm state, the alarm code will flash once per second on the display on the ECU and PCU. Display Description Machine reaction Troubleshooting guidance System initialization Stop all actions Restart equipment or replace ECU...
  • Page 162 Service Manual of Scissors Mobile Elevating Work Platform Display Description Machine reaction Troubleshooting guidance motor) ZAPI 2 fault Replace the motor drive or contact the motor drive (AC pump motor No reaction manufacturer hardware fault) Handle enable button Make sure nothing presses the key on the handle. If so, pressed before Disable PCU action consider replacing the handle or PCU.
  • Page 163 Service Manual of Scissors Mobile Elevating Work Platform Display Description Machine reaction Troubleshooting guidance MCU pump motor Replace the motor drive or contact the motor drive No lifting, no walking short circuit manufacturer Short circuit in left Replace the motor drive or contact the motor drive No lifting, no walking drive motor manufacturer...
  • Page 164 Service Manual of Scissors Mobile Elevating Work Platform Operation flow diagram：...

  • Page 165: Appendix Ii Diagram Of Common Hydraulic Part Symbols

    Service Manual of Scissors Mobile Elevating Work Platform Appendix II Diagram of common hydraulic part symbols (1) Hydraulic pump, hydraulic motor and hydraulic cylinder Name Symbol Description Name Symbol Description Hydraulic General Detailed pump symbol symbol Non- adjustable One-way one-way One-way rotation, bounce...
  • Page 166 Service Manual of Scissors Mobile Elevating Work Platform One-way flow, one- Fixed displaceme One-way rotation, nt hydraulic action fixed pump-motor displaceme Turbocharg Two-way flow, two- Variable Pump- displaceme rotation, Continuous motor nt hydraulic variable action pump-motor displaceme nt, external oil drain Unidirection al rotation, Hydraulic...
  • Page 167 Service Manual of Scissors Mobile Elevating Work Platform pressure co internal oil ntrol drain External control of air Gas-liquid pressure, * Control Locking pilot hydraulic method for device pressure co internal unlocking ntrol control, external oil drain Electro- Hydraulic hydraulic external Bounce pilot...
  • Page 168 Service Manual of Scissors Mobile Elevating Work Platform Double- acting adjustable Press-pull electromag type netic operation (torque motor, etc.) Rotary motion Handle type electrical control device One-way Feedback General pedal type control symbol The position is detected Two-way Electrical Feedback potentiometer pedal type feedback...
  • Page 169 Service Manual of Scissors Mobile Elevating Work Platform General Direct- symbols or Two-way acting, Unloading direct-acting relief valve external oil valve unloading drain valve Unloading General valve symbols or Pilot Pressure direct- electromag reducing acting netic p1>p2 valve pressure unloading reducing valve valve...
  • Page 170 Service Manual of Scissors Mobile Elevating Work Platform four-way proportional valve Two- position Normally Two- four-way closed position proportional two-way valve solenoid valve Normally Four-way open servo valve Two- Four-way position electro- Level 2 Reversing three-way hydraulic valve solenoid servo valve valve Two- position...
  • Page 171 Service Manual of Scissors Mobile Elevating Work Platform tank Pipe end Local oil With air above the drain or cleaner liquid level return Pressurized oil tank or Three oil closed oil tank circuits (7) Fluid regulator General Filter Air cleaner symbol Filter with pollution...

  • Page 172: Appendix Appendix Iii Diagram Of Common Electrical Part Symbols

    Service Manual of Scissors Mobile Elevating Work Platform General Temperatur symbol e sensor General Coupling symbol Coupling Amplifier Flexible coupling (10) Pipeline, pipeline joints and connectors Pressure The two pipeline and Cross pipelines are Pipeline return pipeline crossed and pipeline unconnected pipelines Control...
  • Page 173 Service Manual of Scissors Mobile Elevating Work Platform Combination Composite knob switch button Low voltage Emergency circuit breaker stop button Controller or Key- operating operated switch button Coil operating Thermal device element Thermal relay Normally Normally open main closed contact contact Contactor Normally...
  • Page 174 Service Manual of Scissors Mobile Elevating Work Platform Normally closed contact which Normally closed instantaneous contact disconnected Normally open contact Overvoltage which is coil closed with delay Normally closed contact which Undervoltag e coil disconnected with delay Voltage relay Normally closed Normally contact which...
  • Page 175 Service Manual of Scissors Mobile Elevating Work Platform Three- Generator phase transformer Generator Voltage tachometer transformer generator Transform Signal lamp Current (indicator transformer lamp) Lamp Plug Plug and Lighting lamp Connector socket Socket...

  • Page 176: Appendix Iv Pipeline Connection Table

    Service Manual of Scissors Mobile Elevating Work Platform Appendix IV Pipeline Connection Table S0607Ⅱ Pipeline Connection Table Serial Connector Pipeline Connector Descripti numbe Part Name Connector Name Line name Connector Name Part Name Code Code Code Joint Joint To left Brake release hose F471TCCACE080804-350- 4120001177...
  • Page 177 Service Manual of Scissors Mobile Elevating Work Platform port C S0607EⅡ Pipeline Connection Table Serial Connector Pipeline Connector Descripti numbe Part Name Connector Name Line name Connector Name Part Name Code Code Code Joint Lift cylinder Joint To CSE 4120001391 GE08LR3/8EDOMDC 4120706651 hose FC402CACA080804-3500...
  • Page 178 Service Manual of Scissors Mobile Elevating Work Platform Joint Lift cylinder hose FC402CACA101005-4130- Joint To CSE 4120001165 GE10LR3/8EDOMDC 4120705970 4120001165 Main valve valve block PG1150 GE10LR3/8EDOMDCF port Joint Lift cylinder Rubber hose FODCACA101004- Joint 4120001165 GE10LR3/8EDOMDC 4120707851 4120001165 Main valve To T port valve block 4130-PG1150...
  • Page 179 Service Manual of Scissors Mobile Elevating Work Platform Joint Steering Joint To AS 4120001177 GE08L7/16UNFOMD 4120704860 hose F471TCCACF080804-1200 4120001170 Main valve cylinder GE08LREDOMDCF port Joint Steering Joint To BS 4120001177 GE08L7/16UNFOMD 4120705199 hose F471TCCACF080804-1100 4120001170 Main valve cylinder GE08LREDOMDCF port S0808Ⅱ...
  • Page 180 Service Manual of Scissors Mobile Elevating Work Platform Right walking Joint Motor hose F471TCCACF101005- Joint To B2 4120704977 4120704987 4120001165 Main valve motor GE10L9/16UNFOMD 1265-PG420-Heightened GE10LR3/8EDOMDCF port Left walking Joint Motor hose F471TCCACF101005- Joint To B1 4120704977 4120704986 4120001165 Main valve motor GE10L9/16UNFOMD 1315-PG420...
  • Page 181 Service Manual of Scissors Mobile Elevating Work Platform valve GE08L7/16UNFOMD PG300 GE08L7/16UNFOM brake disc Return steel pipe Rubber hose F481CACE121208- Oil tank 2507000011 4120705165 2507000009 Straight fitting Filter assembly Joint Joint Oil tank 4120704978 GEO15LM22X1.5OM 4120001162 hose F481CACF151510-290 4120002235 Pump GE15LREDOMDCF Rubber hose F481CACF121208- Joint...
  • Page 182 Service Manual of Scissors Mobile Elevating Work Platform Serial Connector Pipeline Connector Descripti numbe Part Name Connector Name Line name Connector Name Part Name Code Code Code Return steel pipe Rubber hose F481CACE121208- Oil tank 2507000011 4120705165 2507000009 Straight fitting Filter assembly Joint...
  • Page 183 Service Manual of Scissors Mobile Elevating Work Platform GE12LREDOMDCF port Joint Brake release Joint To BR 4120001177 GE08L7/16UNFOMD 4120704859 hose F471TCCACF080804-2400 4120001170 Main valve valve GE08LREDOMDCF port Joint Rubber hose F471TCCACF121206- Joint Pump 4120001373 GE12LR1/2EDOMDC 4120705167 4120001224 Main valve To P port GE12LREDOMDCF Lower lift Joint...
  • Page 184 Service Manual of Scissors Mobile Elevating Work Platform Return steel pipe Rubber hose F481CACE121208- Oil tank 2507000011 4120705165 2507000009 Straight fitting Filter assembly Joint Joint Oil tank 4120704978 GEO15LM22X1.5OM 4120001162 hose F481CACF151510-290 4120002235 Pump GE15LREDOMDCF Rubber hose F481CACF121208- Joint To T1 Filter 2507000009 Straight fitting...
  • Page 185 Service Manual of Scissors Mobile Elevating Work Platform Joint Joint Oil tank 4120704978 GEO15LM22X1.5OM 4120001162 hose F481CACF151510-290 4120002235 Pump GE15LREDOMDCF Rubber hose F481CACF121208- Joint To T1 Filter 2507000009 Straight fitting 4120705166 4120001224 Main valve GE12LREDOMDCF port Joint Brake release Joint To BR 4120001177 GE08L7/16UNFOMD...
  • Page 186 Service Manual of Scissors Mobile Elevating Work Platform S1212EⅡ Pipeline Connection Table Serial Connector Pipeline Connector Descripti numbe Part Name Connector Name Line name Connector Name Part Name Code Code Code Return steel pipe Rubber hose F481CACE121208- Oil tank 2507000011 4120705165 2507000009 Straight fitting...
  • Page 187 Service Manual of Scissors Mobile Elevating Work Platform valve GE08L7/16UNFOMD GE08L7/16UNFOM brake disc Return steel pipe Oil tank 2507000072 4120705902 hose F481CACA121208-620 2507000009 Straight fitting Filter assembly Joint Oil tank 4120707646 Suction connector 4120705971 hose F481CACF151510-420 4120002235 Pump GE15LREDOMDCF Joint To T1 Filter 2507000009...
  • Page 188 Service Manual of Scissors Mobile Elevating Work Platform S1413EⅡ Pipeline Connection Table Serial Connector Pipeline Connector Descripti numbe Part Name Connector Name Line name Connector Name Part Name Code Code Code Return steel pipe Oil tank 2507000072 4120705902 hose F481CACA121208-620 2507000009 Straight fitting Filter...

  • Page 189: Appendix V Electrical Schematic Diagram

    Service Manual of Scissors Mobile Elevating Work Platform Appendix V Electrical schematic diagram Electrical schematic diagram (hydraulic drive)
  • Page 190 Service Manual of Scissors Mobile Elevating Work Platform Electrical schematic diagram (electric drive):...

  • Page 191: Appendix Vi Hydraulic Schematic Diagram

    Service Manual of Scissors Mobile Elevating Work Platform Appendix VI Hydraulic schematic diagram Hydraulic schematic diagram of S0607Ⅱ：...
  • Page 192 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S0607EⅡ：...
  • Page 193 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S0608Ⅱ、S0808Ⅱ：...
  • Page 194 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S0608EⅡ、S0808EⅡ：...
  • Page 195 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S0812Ⅱ：...
  • Page 196 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S0812EⅡ：...
  • Page 197 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S1012Ⅱ、S1212Ⅱ：...
  • Page 198 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S1012EⅡ、S1212EⅡ、S1413EⅡ：...
  • Page 199 Service Manual of Scissors Mobile Elevating Work Platform Hydraulic schematic diagram of S1413Ⅱ：...

  • Page 200: Appendix Vii Harness

    Service Manual of Scissors Mobile Elevating Work Platform Appendix VII Harness S0607EⅡmain harness wiring diagram:...
  • Page 201 Service Manual of Scissors Mobile Elevating Work Platform S0607EⅡmain harness wire number Wire Wire Wire size Name Wire size Name color color Emergency brake release switch White Horn power cord White signal line J2-12 Lifting limit ground wire Battery negative terminal Black J1-21 Buzzer ground wire...
  • Page 202 Service Manual of Scissors Mobile Elevating Work Platform S0607Ⅱ main harness wiring diagram:...
  • Page 203 Service Manual of Scissors Mobile Elevating Work Platform S0607Ⅱ main harness wire number Wire Wire Wire size Name Wire size Name color color Power cord Horn power cord White Power cord Battery negative terminal Black J1-21 Buzzer ground wire Black Control signal positive White Pump motor control speed...
  • Page 204 Service Manual of Scissors Mobile Elevating Work Platform S0608Ⅱ、S0808Ⅱ、S12Ⅱ main harness wiring diagram:...
  • Page 205 Service Manual of Scissors Mobile Elevating Work Platform S0608Ⅱ、S0808Ⅱ、S12Ⅱ main harness wire number Wire Wire Wire size Name Wire size Name color color Power cord Horn power cord White Power cord Battery negative terminal Black J1-21 Buzzer ground wire Black Control signal positive White Pump motor control speed...
  • Page 206 Service Manual of Scissors Mobile Elevating Work Platform S0608EⅡ、S0808EⅡ、S12EⅡ main harness wiring diagram:...
  • Page 207 Service Manual of Scissors Mobile Elevating Work Platform S0608EⅡ、S0808EⅡ、S12EⅡ main harness wire number Wire Wire Wire size Name Wire size Name color color Emergency brake release switch White Horn power cord White signal line J2-12 Lifting limit ground wire Battery negative terminal Black J1-21 Buzzer ground wire...
  • Page 208 Service Manual of Scissors Mobile Elevating Work Platform S1413Ⅱ main harness wiring diagram:...
  • Page 209 Service Manual of Scissors Mobile Elevating Work Platform S1413Ⅱ main harness wire number Wire Wire Wire size Name Wire size Name color color Power cord Horn power cord White Power cord Battery negative terminal Black J1-21 Buzzer ground wire Black Control signal positive White Pump motor control speed...
  • Page 210 Service Manual of Scissors Mobile Elevating Work Platform S1413EⅡ main harness wiring diagram:...
  • Page 211 Service Manual of Scissors Mobile Elevating Work Platform S1413Ⅱ主线束线号说明表: Wire Wire Wire size Name Wire size Name color color Emergency brake release switch White Horn power cord White signal line J2-12 Lifting limit ground wire Battery negative terminal Black J1-21 Buzzer ground wire Black Control signal positive...
  • Page 212 Service Manual of Scissors Mobile Elevating Work Platform S0607Ⅱ、S0607EⅡPCU harness wiring diagram: S0607Ⅱ、S0607EⅡ Fork harness wiring diagram：...
  • Page 213 Service Manual of Scissors Mobile Elevating Work Platform S0608Ⅱ、S0608EⅡPCU harness wiring diagram: S0808Ⅱ、S0808EⅡ、S0812Ⅱ、S0812EⅡPCU harness wiring diagram:...
  • Page 214 Service Manual of Scissors Mobile Elevating Work Platform S0608Ⅱ、S0608EⅡ、S0808Ⅱ、S0808EⅡ、S0812Ⅱ、S0812EⅡ Fork harness wiring diagram： S1012Ⅱ、S1012EⅡPCU harness wiring diagram: S1212Ⅱ、S1212EⅡPCU harness wiring diagram:...
  • Page 215 Service Manual of Scissors Mobile Elevating Work Platform S1413、S1413EⅡPCU harness wiring diagram:...
  • Page 216 Service Manual of Scissors Mobile Elevating Work Platform S1012、S1012E、S1212、S1212E、S1413、S1413E Fork harness wiring diagram：...

  • Page 217: Appendix Viii Ecu、Pcu

    Service Manual of Scissors Mobile Elevating Work Platform Appendix VIII ECU、PCU ECU： a. LCD b. Up button c. Return button d. Down button e. OK button f. Overload indicator light g. Platform up button h. Platform down button i. Enable button ECU(Electronic Control Unit), as the control center of the whole machine, can receive the signal input from the PCU and output relevant control.
  • Page 218 Service Manual of Scissors Mobile Elevating Work Platform J1-10 Input 24VDC Right brake status J1-11 Input 0-5 VDC/4-20mA Reserved J1-12 Input 24VDC Reserved J1-13 Communication DATA LINK+ PCU communication+ 24 VDC: PCU J1-14 Input Chassis key switch 0 VDC: GCU Working power supply J1-15 Power supply...
  • Page 219 Any plug of the PCU is faulty and any pins are commonly loose or bent. In this case, the pins or plugs can be replaced.  In case of internal wiring failure, please contact the Service Department of LGMG in time. Specifications and parameters of PCU Operating temperature (...

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