Page 2
This manual should be kept in or near the machine for reference, and periodically reviewed by all personnel who will come into contact with it. This material is proprietary to Komatsu America Corp (KAC), and is not to be reproduced, used, or disclosed except in accordance with written authorization from KAC.
Model Number, Product Identification Number (vehicle serial number), and Maximum G.V.W. (Gross Vehicle Weight) rating. The KOMATSU Truck Model designation consists of three numbers and one letter (i.e. 730E). The three numbers represent the basic truck model. The letter “M”, when present, designates a Mechanical drive system;...
Page 5
Introduction - Section 1 OM1032.1 02/03 Page 1-2 Alerts This “ALERT” symbol is used with the signal words, “CAUTION”, “DANGER”, and “WARNING” in this manual to alert the reader to hazards arising from improper oper- ating and maintenance practices. “DANGER” identifies a specific potential hazard WHICH WILL RESULT in either INJURY OR DEATH if proper precautions are not taken.
The remainder are caused by unsafe mechanical or physical conditions. Report all unsafe conditions to the proper authority. These safety rules are provided as a guide for the Komatsu truck operator. However, local conditions and regulations may add many more to this list.
The front cover of this manual includes a Form Number. This Form No. should be referenced when ordering addi- tional copies of this manual, or for any other correspondence regarding the coverage in this manual. Direct all inquiries to: Komatsu America Corp. DataKom, Peoria Technical Publications P.O. Box 240...
Page 12
“Standard Torque” values listed below in Table I (and in TABLE III . . Standard Metric Assembly Torque . . 1-10 Komatsu shop manuals), excessive stress and possi- TABLE IV ..JIC Swivel Nuts Torque Chart . . 1-11 ble breakage of the fasteners may result.
RUST PREVENTIVE GREASE - CODE 312 from • the Southwest Grease and Oil Company. NOTE: This list represents the current Engineering approved sources for use in Komatsu manufacture. It is not exclusive. Other products may meet the same specifications of this list.
OM1032.2 Introduction - Section 1 Standard Charts and Tables Page 1-11 TABLE IV. TABLE VI. TORQUE CHART FOR JIC 37° SWIVEL NUTS TORQUE CHART FOR WITH OR WITHOUT O-RING SEALS O-RING BOSS FITTINGS SIZE TUBE SIZE THREADS TORQUE SIZE TUBE SIZE THREADS TORQUE CODE...
Introduction - Section 1 OM1032.2 Page 1-14 Standard Charts and Tables TABLE XIII COMMON CONVERSION MULTIPLIERS COMMON CONVERSION MULTIPLIERS COMMON CONVERSION MULTIPLIERS ENGLISH To METRIC METRIC To ENGLISH To Convert Multiply Multiply From To Convert From inch – in. millimeter (mm) 25.40 millimeter (mm) inch –...
Check also that there is no one near the machine. UNAUTHORIZED MODIFICATION • Any modification made without authorization from Komatsu can create hazards. • Before making a modification, consult your Komatsu distributor. Komatsu will not be responsible for any injury or damage caused by any unauthorized modification.
Page 19
Safety - Section 2 OM2026.1 Page 2-2 General Safety STANDING UP FROM THE SEAT • To prevent any accident occurring if you should touch any control lever that is not locked, always carry out the following before standing up from the operator's seat. •...
Page 20
OM2026.1 Safety - Section 2 General Safety Page 2-3 PRECAUTIONS WHEN HANDLING AT HIGH TEMPERATURES • Immediately after operations, the engine cooling water, engine oil, and hydraulic oil are at high temperature and are under pressure. If the cap is removed, or the oil or water is drained, or the filters are replaced, there is danger of serious burns.
Page 21
• The Komatsu ROPS fulfills all of the regulations and standards for all countries, but if it is rebuilt without authorization or is damaged when the machine rolls over, the strength will drop and it will not be able to fulfill its function properly.
OM2026.1 Safety - Section 2 General Safety Page 2-5 PRECAUTIONS DURING OPERATION BEFORE STARTING ENGINE SAFETY AT WORKSITE • Before starting the engine, thoroughly check the area for any unusual conditions that could be dangerous. • Examine the road surface in the job site and determine the best and safest method of operation. •...
Safety - Section 2 OM2026.1 Page 2-6 General Safety OPERATING MACHINE WHEN STARTING ENGINE • Walk around your machine again just before mounting it, checking for people and objects that might be in the way. • NEVER start the engine if a warning tag has been attached to the control. •...
Page 24
OM2026.1 Safety - Section 2 General Safety Page 2-7 ENSURE GOOD VISIBILITY • When working in dark places, install working lamps and head lamps, and set up lighting in the work area if necessary. • Stop operations if the visibility is poor, such as in mist, snow, or rain, and wait for the weather to improve to a condition that allows the operation to be carried out safely.
Page 25
Safety - Section 2 OM2026.1 Page 2-8 General Safety WHEN DUMPING • Before starting the dumping operation, check that there is no person or object behind the machine. • Stop the machine in the correct position, and check again that there is no person or object behind the machine. Give the determined signal, then slowly operate the dump body.
OM2026.1 Safety - Section 2 General Safety Page 2-9 BATTERY BATTERY HAZARD PREVENTION • Battery electrolyte contains sulfuric acid and can quickly burn the skin and eat holes in clothing. If you spill acid on yourself, immediately flush the area with water. •...
Safety - Section 2 OM2026.1 Page 2-10 General Safety TOWING WHEN TOWING, FIX WIRE TO HOOK • Towing in the wrong way may lead to serious personal injury or damage. • When using another machine to tow this machine, use a wire rope with ample strength for the weight of this machine.
• ALWAYS attach the WARNING TAG to the control lever in the operator's cab to alert others that you are working on the machine. Attach additional warning tags around the machine, if necessary. • These tags are available from your Komatsu distributor. (Part No. 09963-03000) PROPER TOOLS •...
Safety - Section 2 OM2026.1 Page 2-12 General Safety DURING MAINTENANCE PERSONNEL • Only authorized personnel can service and repair the machine. Extra precaution should be used when grinding, welding, and using a sledge-hammer. ATTACHMENTS • Place attachments that have been removed from the machine in a safe place so that they do not fall.
OM2026.1 Safety - Section 2 General Safety Page 2-13 RADIATOR WATER LEVEL • If it is necessary to add water to the radiator, stop the engine and allow the engine and radiator to cool down before adding the water. • Slowly loosen the cap to relieve pressure before removing the cap. USE OF LIGHTING When checking fuel, oil, coolant, or battery electrolyte, always use lighting with anti-explosion specifications.
Page 31
Safety - Section 2 OM2026.1 Page 2-14 General Safety PRECAUTIONS WHEN CARRYING OUT MAINTENANCE AT HIGH TEMPERATURE OR HIGH PRESSURE • Immediately after stopping operations, the engine cooling water and oil at all parts are at high temperature and under high pressure.In this condition, if the cap is removed, or the oil or water are drained, or the filters are replaced, it may result in burns or other injury.
If you do not understand the proper procedure for carrying out maintenance or replacement of the wheel or tire, and you use the wrong method, the wheel or tire may burst and cause serious injury or damage. When carrying out such maintenance, please consult your Komatsu distributor or tire maker. STORING TIRES AFTER REMOVAL •...
Safety - Section 2 OM2026.1 Page 2-16 General Safety ADDITIONAL JOB SITE RULES • Use this space to add any ADDITIONAL Job Site Rules not covered in any of the previous discussions. • _______________________________________________________________________________________ • _______________________________________________________________________________________ • _______________________________________________________________________________________ • _______________________________________________________________________________________ •...
Failure to do so may seriously damage the battery and electrical equipment. Disconnect battery charging alternator lead wire and isolate electronic control components before making welding repairs. (It is not neces- sary to disconnect or remove any control circuit cards on Komatsu Electric Drive Trucks or any of the "AID" circuit control cards.) Always fasten the welding machine ground (-) lead to the piece being welded;...
Page 36
The following pages give an explanation of the Warning, Caution, and Service Instruction plates and decals attached to the Komatsu truck. The plates and decals listed here are typical of this Komatsu model, but because of customer options, individual trucks may have plates and decals that are different from those shown here.
Page 37
Safety - Section 2 OM2026.2 02/03 Page 2-20 Warnings and Cautions A warning instruction is applied below the Parking Brake and the Rear Wheel Brake Lock switches, which are located to the right of the steering column on the instrument panel. Pushing the top of the rocker-style switch turns the function ON, pushing the bottom, turns it OFF.
Page 38
OM2026.2 02/03 Safety - Section 2 Warnings and Cautions Page 2-21 A warning plate is mounted on top of the radiator surge tank cover near the radiator cap.The engine cooling system is pressurized. Always turn the key switch off and allow the engine to cool before removing radiator cap.
Safety - Section 2 OM2026.2 02/03 Page 2-22 Warnings and Cautions A plate on the side of the hydraulic tank furnishes instructions for filling the hydraulic tank. Keep the system open to the atmosphere only as long as absolutely necessary to lessen chances of system contamination.
Page 40
OM2026.2 02/03 Safety - Section 2 Warnings and Cautions Page 2-23 High Voltage Danger Plates and Caution Plates are attached to the doors of the Electrical Control Cabi- net. The High Voltage Plate is also attached to the blown grid housing, extended range housing, rectifier housing, inlet duct structure and rear hatch cover.
Page 41
Safety - Section 2 OM2026.2 02/03 Page 2-24 Warnings and Cautions Warning and Danger plates are located inside the door of the brake system cabinet behind the cab. This plate alerts technicians to read the warning labels attached to the accumulators prior to releasing internal nitrogen pressure or disconnecting any hydraulic lines or hardware.
Page 42
OM2026.2 02/03 Safety - Section 2 Warnings and Cautions Page 2-25 A Product Identification plate is located on the frame in front of the right side front wheel and shows the Truck Model Number, Maximum G.V.W. and Product Identification Number (Truck Serial Number).
Prevention is the best safety program. Prevent a potential accident by knowing the employer's safety require- ments, all necessary job site regulations, as well as use and care of the safety equipment on the Komatsu Truck. Only qualified operators or technicians should attempt to operate or maintain the Komatsu Truck.
Page 46
OM3035.1 02/03 Operation - Section 3 Operating Instructions Page 3-3 7. Move behind the rear of the front wheel, inspect for leaks at hub or brakes or any unusual conditions. Inspect suspension hardware to be sure it is all in place. Inspect live end of steering cylinder for proper greasing, and for security of all parts.
Operation - Section 3 OM3035.1 02/03 Page 3-4 Operating Instructions 24. As you move in front of the radiator, inspect for any debris that might be stuck in front of the radiator and remove it. Check for any coolant leaks. Inspect all head and fog lights. 25.
OM3035.1 02/03 Operation - Section 3 Operating Instructions Page 3-5 4. The keyswitch is a three position (Off, Run, Start) switch. When switch is rotated one position clockwise, it is in the "Run" position and all electrical circuits (except "Start") are activated. With Selector Switch in "Neutral", rotate keyswitch fully clockwise to "Start"...
Operation - Section 3 OM3035.1 02/03 Page 3-6 Operating Instructions MACHINE OPERATION SAFETY PRECAUTIONS After the truck engine is started and all systems are functioning properly, the operator must follow all local safety rules to insure safe machine operation. If any of the red warning lights come "On" or if any gauge reads in the red area during truck operation, a malfunction is indicated.
OM3035.1 02/03 Operation - Section 3 Operating Instructions Page 3-7 HAULING 1. Always stay alert! If unfamiliar with the road, drive with extreme caution. Cab doors should remain closed at all times if truck is in motion or unattended. 2. Obey all road signs. Operate truck so it is under control at all times. Govern truck speed by the road condi- tions, weather and visibility.
Operation - Section 3 OM3035.1 02/03 Page 3-8 Operating Instructions DUMPING 1. Pull into dump area with extreme caution. Make sure area is clear of persons and obstructions, including over- head utility lines. Obey signals directed by the spotter, if present. Avoid unstable areas.
Page 52
OM3035.1 02/03 Operation - Section 3 Operating Instructions Page 3-9 NOTE: Failure to "hoist" the body after making an unsuccessful attempt at lowering the body may result in the dump body suddenly lowering after the truck has pulled ahead of the material that was previously preventing the body from lowering.
Operation - Section 3 OM3035.1 02/03 Page 3-10 Operating Instructions TOWING Prior to towing a truck, many factors must be carefully considered. Serious personal injury and/or significant prop- erty damage may result if important safety practices, procedures and preparation for moving heavy equipment are not observed.
OM3035.1 02/03 Operation - Section 3 Operating Instructions Page 3-11 ENGINE SHUTDOWN PROCEDURE The following procedure (1. - 4.) should be followed at each engine shutdown. 1. Stop truck. Reduce engine RPM to low idle. Place Selector Switch in "Neutral" and apply Parking Brake switch.If the Engine Shutdown with Timer Delay is preferred, refer to the DELAYED ENGINE SHUTDOWN PROCEDURE below.
Operation - Section 3 OM3035.1 02/03 Page 3-12 Operating Instructions SUDDEN LOSS OF POWER Bring the truck to a safe stop as quickly as possible by using the foot pedal to apply the service brakes. Dynamic retarding will not be available! Do not use the service brakes for continuous retarding purposes.
Operation - Section 3 OM3035.2 02/03 Page 3-14 Operator Cab and Controls OPERATOR CAB AND CONTROLS STEERING WHEEL AND CONTROLS The steering wheel (1, Figure 3-2) will telescope "in" and "out" and adjust through a tilt angle to provide a comfortable wheel position for most operators.
OM3035.2 02/03 Operation - Section 3 Operator Cab and Controls Page 3-15 SERVICE BRAKE PEDAL THROTTLE PEDAL The Service Brake Pedal (2, Figure 3-1) is a foot- The Throttle Pedal (4, Figure 3-1) is a foot-operated operated pedal which applies the service brakes. pedal which allows the operator to control engine RPM, depending on pedal depression.
Operation - Section 3 OM3035.2 02/03 Page 3-16 Operator Cab and Controls HEATER / AIR CONDITIONER HEATER/AIR CONDITIONER SELECTOR SWITCH COMPARTMENT AND CONTROLS The selector switch (6, Figure 3-3) allows the opera- tor to select heat or air conditioning, or neither. The The heater/air conditioner compartment contains the left position of the switch activates the air condition- heater/air conditioner controls (6, Figure 3-1) and the...
Page 60
Dynamic Retarding will maintain a safe speed. restriction: DO NOT exceed these recommended MAXIMUM Komatsu Engine: ..25 inches of H2O vacuum. speeds when descending grades with a loaded truck. NOTE: After service, push the reset button on face of This decal may change with OPTIONAL truck equip- gauge to allow the gauge to return to zero.
Operation - Section 3 OM3035.2 02/03 Page 3-18 Operator Cab and Controls CENTER CONSOLE The center console (1, Figure 3-4) contains: 1. Center Console 2. F-N-R Selector Switch 3. Hoist Control Lever 4. Ash Tray 5. Cigarette Lighter 6. L.H. Window Control Switch 7.
Page 62
OM3035.2 02/03 Operation - Section 3 Operator Cab and Controls Page 3-19 HOIST CONTROL LEVER ASH TRAY The hoist control (3, Figure 3-4) is a four position The Ash Tray (4, Figure 3-4) is used for extinguishing hand-operated lever located between the operator and depositing smoking materials.
Page 63
Retarding will apply. As truck speed tries to increase, This position is not used for the the amount of retarding effort will automatically adjust 730E. to keep the selected speed. When truck speed decreases, the retarding effort is reduced to maintain the selected speed.
Page 64
G.E. STATEX III electric propul- sion diagnostic information and data. Payload Meter Download Connector KOMATSU ENGINE CENSE CONNECTOR This connector (2, Figure 3-5) is used with a special This 3-pin connector (14, Figure 3-5) is for use by...
Operation - Section 3 OM3035.2 02/03 Page 3-22 Operator Cab and Controls OPERATOR SEAT The operator's seat provides a fully adjustable cush- ioned ride for the driver's comfort and ease of opera- tion. Adjustment The following adjustments must be made while sit- ting in the seat.
OM3035.3 02/03 Operation - Section 3 Instrument Panel & Indicator Lights Page 3-23 INSTRUMENT PANEL AND INDICATOR LIGHTS CONTROL SYMBOLS Many control functions are identified with "International" symbols that the operator should learn to recognize imme- diately. The operator must understand the function and operation of each instrument and control. This knowledge is essential for proper and safe operation of the machine.
Operation - Section 3 OM3035.3 02/03 Page 3-24 Instrument Panel & Indicator Lights FIGURE 3-6. PANEL, GAUGES, INDICATORS, AND CONTROLS 1. Keyswitch 16. High Beam Headlight Indicator Light 2. Engine Shutdown Switch with Timer Delay 17. Left Turn Signal Indicator Light 3.
Page 68
OM3035.3 02/03 Operation - Section 3 Instrument Panel & Indicator Lights Page 3-25 (2, Figure 3-6) ENGINE SHUTDOWN SWITCH with TIMER DELAY This is a 3-position rocker-type switch (Off-On-Momentary). Refer to "Operating Instructions" section, "DELAYED ENGINE SHUTDOWN PROCEDURE", for a complete detailed operation of this switch. 1.
Page 69
Operation - Section 3 OM3035.3 02/03 Page 3-26 Instrument Panel & Indicator Lights (5, Figure 3-6) MANUAL BACKUP SWITCH The Manual Backup Switch allows backup lights to be turned "On" providing added visibility and safety when the Selector Switch (see OPERATOR CONTROLS) is not in "REV" position. When the SWITCH is pressed toward the "on"...
Page 70
RELEASE the park brake. (14, Figure 3-5) TACHOMETER The tachometer registers engine crankshaft speed in hundreds of revolutions per minute (RPM). Governed RPM (Komatsu Engine): Low Idle - 700 RPM High Idle, No load - 2150 RPM Maximum...
Page 71
Operation - Section 3 OM3035.3 02/03 Page 3-28 Instrument Panel & Indicator Lights (15, Figure 3-6) RIGHT TURN SIGNAL INDICATOR This light illuminates to indicate the right turn signals are operating when the turn signal lever on the steering column is moved upward. Moving the lever to its center position will turn indica- tor "Off".
Page 72
OM3035.3 02/03 Operation - Section 3 Instrument Panel & Indicator Lights Page 3-29 (23, Figure 3-6) (Not Used) BLANK. Not used in this truck application. (24, Figure 3-6) HOURMETER The hourmeter registers the total number of hours the engine has been in operation. (25, Figure 3-6) (Not Used) BLANK.
Page 73
Operation - Section 3 OM3035.3 02/03 Page 3-30 Instrument Panel & Indicator Lights OVERHEAD STATUS / WARNING INDICATOR LIGHT PANEL Row / Indicator Indicator Color Row / Indicator Indicator Color Column Description Wire Index Column Description Wire Index Hydraulic Oil Temp. Red - 12F/34TL Service Engine (Aem) Blue - 12M/528A...
Page 74
OM3035.3 02/03 Operation - Section 3 Instrument Panel & Indicator Lights Page 3-31 INDICATOR LIGHT SYMBOLS Indicator Lights which are AMBER (Yellow)in color alert the operator that the indicated truck function requires some precaution when lighted. Indicator Lights which are RED in color alert the operator that the indicated truck function requires immediate action by the operator.
Page 75
Operation - Section 3 OM3035.3 02/03 Page 3-32 Instrument Panel & Indicator Lights D1. Electric System Fault The Electric System fault warning light will flash on and off when a malfunction occurs in the electrical system. The warning horn will also sound intermittently. When light comes "On", pro- pulsion will be dropped automatically.
Page 76
OM3035.3 02/03 Operation - Section 3 Instrument Panel & Indicator Lights Page 3-33 A3. Parking Brake This amber parking brake indicator will illuminate when the parking brake is applied. Do not attempt to drive truck with parking brake applied. B3. Service Brake This amber service brake indicator light will illuminate when the service brake pedal is applied or when wheel brake lock or emergency brake is applied.
Page 77
Operation - Section 3 OM3035.3 02/03 Page 3-34 Instrument Panel & Indicator Lights A4. NOT USED Reserved for future use or options. B4. Manual Backup Lights This amber indicator will illuminate when the manually operated Manual Backup switch (3, Fig- ure 3-6, Instrument Panel) is turned "on".
Page 78
OM3035.3 02/03 Operation - Section 3 Instrument Panel & Indicator Lights Page 3-35 A5. Service Engine This amber indicator light will illuminate when the Advanced Engine Monitor (AEM) system detects a fault. A warning buzzer will also sound. B5. High Wheel Motor Temperature (Optional) When this indicator is illuminated and alarm sounds, high wheel motor temperature is indi- cated.
Page 79
If this indicator remains "On" (or flashes when equipped with Centry™ Fuel Con- trol system), alert maintenance personnel as soon as possible. Komatsu Engines w/Centry™ Fuel Control - This indicator monitors the Centry™ fuel system. During engine operation, if a "fault" is detected in the system, the light will turn ON and stay on for "Warning"...
Releasing the spring-loaded switch will allow the switch to return to the "Off" position. For diagnostic tests of a Komatsu engine equipped with Centry™ Fuel Control, refer to "Centry™ Diagnostics" at the end of this section.
Page 3-38 Instrument Panel & Indicator Lights CENTRY™ FUEL SYSTEM DIAGNOSTICS If the truck is equipped with a Komatsu engine and Centry™ Fuel Control system, the SERVICE ENGINE Indicator Light (D6, Figure 3-7) monitors the Centry™ fuel system. When the keyswitch is turned "On", this light should illuminate for about 2 seconds...
OM3035.3 02/03 Operation - Section 3 Instrument Panel & Indicator Lights Page 3-39 2. Turn keyswitch to ON position (engine not run- ning) and press Lamp Test switch to the bottom (" √" position) for 1 - 2 seconds, then release (switch is spring-loaded to the top, "OFF"...
Many Komatsu trucks are equipped with an Automatic Lubrication System option. The initial setup for this sys- tem provides for nominal amounts of lubricant to be delivered to each serviced point.
Maintenance - Section 4 OM4035.1 01/04 Page 4-2 Lubrication and Service COOLANT LEVEL CHECK Engine coolant must always be visible in the sight gauge before truck operation. Inspect the coolant sight gauge. If coolant cannot be seen in the sight gauge, it is necessary to add coolant to the cooling system before truck operation.
OM4035.1 01/04 Maintenance - Section 4 Lubrication and Service Page 4-3 Lubrication Chart...
Page 87
8. AIR CLEANERS (NOT SHOWN) - Check air cleaner vacuum gauges in operator cab. The air cleaner(s) should be serviced, if the gauge(s) shows the following maximum restriction: Komatsu Engine: 25 in. of H2O vacuum*. NOTE: After service, push the reset button on face...
Page 88
OM4035.1 01/04 Maintenance - Section 4 Lubrication and Service Page 4-5 10 HOUR (DAILY INSPECTION (continued) COMMENTS CHECKED INITIALS 9. AIR CLEANERS See Section "C" of the service manual for servicing air cleaner elements. Empty air cleaner dust caps. After service, push the reset button on face of gauge (if equipped) to allow the needle to return to zero.
Maintenance - Section 4 OM4035.1 01/04 Page 4-6 Lubrication and Service 50 HOUR LUBRICATION AND MAINTENANCE CHECKS Maintenance for every 10 hours/shift checks should Truck Serial Number __________________________ also be carried out at this time. Site Unit Number _____________________________ Date: __________ Hour Meter __________________ Name of Service Person _______________________ COMMENTS CHECKED...
OM4035.1 01/04 Maintenance - Section 4 Lubrication and Service Page 4-7 100 HOUR LUBRICATION AND MAINTENANCE CHECKS Maintenance for every 10 & 50 hour Lubrication and Truck Serial Number __________________________ Maintenance Checks should also be carried out at this Site Unit Number _____________________________ time.
Page 91
Maintenance - Section 4 OM4035.1 01/04 Page 4-8 Lubrication and Service 250 HOUR LUBRICATION AND MAINTENANCE CHECKS Maintenance for every 10 & 50 hour Lubrication and Maintenance Checks should also be carried out at this Truck Serial Number __________________________ time. Site Unit Number _____________________________ Date: __________ Hour Meter __________________ NOTE: "Lube Key"...
Page 92
OM4035.1 01/04 Maintenance - Section 4 Lubrication and Service Page 4-9 250 HOUR LUBRICATION AND MAINTENANCE CHECKS (continued) COMMENTS CHECKED INITIALS 6. COOLING SYSTEM DCA WATER FILTER - Change spin-off filter. Check cooling system for proper coolant mixuture. Add water mixture as required. 7.
Maintenance - Section 4 OM4035.1 01/04 Page 4-10 Lubrication and Service 500 HOUR LUBRICATION AND MAINTENANCE CHECKS Maintenance for every 10, 50, 100 & 250 hour Lubrica- Truck Serial Number __________________________ tion and Maintenance Checks should also be carried Site Unit Number _____________________________ out at this time.
OM4035.1 01/04 Maintenance - Section 4 Lubrication and Service Page 4-11 1000 HOUR LUBRICATION AND MAINTENANCE CHECKS Maintenance for every 10, 50, 100, 250 & 500 hour Truck Serial Number __________________________ Lubrication and Maintenance Checks should also be Site Unit Number _____________________________ carried out at this time.
Maintenance - Section 4 OM4035.1 01/04 Page 4-12 Lubrication and Service 5000 HOUR LUBRICATION AND MAINTENANCE CHECKS Maintenance for every 10, 50, 100, 250, 500 & 1000 Truck Serial Number __________________________ hour Lubrication and Maintenance Checks should also Site Unit Number _____________________________ be carried out at this time.
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 13 AUTOMATIC LUBRICATION SYSTEM Simultaneously, grease is discharged through the outlet GENERAL DESCRIPTION (9) of the pump. The volume of grease during intake is The Lincoln Automatic Lubrication System is a pressur- twice the amount of grease output during one cycle.
Page 97
Maintenance - Section 4 OM4035.2 02/03 Page 4- 14 Automatic Lube System FIGURE 3-2. AUTO LUBE SYSTEM INSTALLATION 1. Reservoir (Torque Tube) 8. Hyd. Oil Supply 15. R.H. Body Pivot Pin 22. L.H. Top Hoist Cyl. 2. Grease Supply From Filter 9.
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 15 SYSTEM COMPONENTS Flow Control Valve (8, Figure 3-1) The flow control valve mounted on the manifold, controls Filter (2, Figure 3-6) the amount of oil flow to the hydraulic motor. The flow control valve has been factory adjusted and A filter assembly mounted on the right front upright filters the setting should not be disturbed.
Maintenance - Section 4 OM4035.2 02/03 Page 4- 16 Automatic Lube System Injectors (11, Figure 3-2) 4. With oil flowing into the hydraulic motor, the grease pump will operate, pumping grease from the reser- Each injector delivers a controlled amount of pressur- voir to the injectors (13), and to the vent valve (11) ized lubricant to a designated lube point.
Page 100
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 17 Pressure Failure Detection Circuits 4. Once RB6-K6 is energized, it will latch and remain latched as long as the key switch in ON. Also, 1. When the lubrication cycle is initiated, 24VDC RB6-K2 will remain energized and the Low Lube flows through relay RB6-K4 (8, Figure 3-4) N.C.
Page 101
Maintenance - Section 4 OM4035.2 02/03 Page 4- 18 Automatic Lube System INJECTOR OPERATION STAGE 1. The injector piston (2) is in its normal or “rest” position. The discharge chamber (3) is filled with lubricant from the previous cycle. Under the pressure of incoming lu- bricant (6), the slide valve (5) is about to open the passage (4) leading to the mea- suring chamber (1) above the injector pis-...
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 19 GENERAL INSTRUCTIONS LUBRICANT REQUIRED FOR SYSTEM Pump Pressure Control Grease requirements will depend on ambient tempera- High pressure hydraulic fluid from the truck steering tures encountered during truck operation: system is reduced to 325 to 350 psi (2 240 to 2 413 kPa) by the pressure reducing valve located on the manifold •Above 90°F (32°C) - Use NLGI No.2 multipurpose...
Maintenance - Section 4 OM4035.2 02/03 Page 4- 20 Automatic Lube System FILTER AND RESERVOIR Filter Assembly A filter assembly (2, Figure 3-6) is mounted on the right The filter assembly element (5, Figure 3-7) should be upright (1) and filters the grease when the grease supply replaced if the bypass indicator (2) shows excessive is refilled through the “quick fill”...
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 21 INJECTORS (SL-1 Series “H”) Injector Specifications • Each lube injector services only one grease point. In case of pump malfunction, each injector is equipped with a covered grease fitting to allow the use of exter- nal lubricating equipment.
Maintenance - Section 4 OM4035.2 02/03 Page 4- 22 Automatic Lube System SYSTEM CHECKOUT To check system operation (not including timer), pro- ceed as follows: 1. Turn keyswitch "ON" and start the engine. 2. Actuate the manual override (11, Figure 3-1) on the end of the solenoid valve.
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 23 PUMP REBUILD 14. Remove the pump plunger (20) from the plunger link rod (17). (A spanner wrench, which uses the holes in the the pump plunger, is required.) 15.
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 25 Assembly 8. Assemble crank rod assembly, to pump with bush- ings (13) and button head screws (12). Tighten ® Note: Use Loctite 242 (or equivalent) thread locker on screws to 100 - 110 in.
Page 109
Maintenance - Section 4 OM4035.2 02/03 Page 4- 26 Automatic Lube System SYSTEM TROUBLESHOOTING CHART If the following procedures do not correct the problem, contact a factory authorized service center. POSSIBLE CAUSES SUGGESTED CORRECTIVE ACTION TROUBLE: Pump Does Not Operate Lube system not grounded.
Page 110
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 27 SYSTEM TROUBLESHOOTING CHART If the following procedures do not correct the problem, contact a factory authorized service center. POSSIBLE CAUSES SUGGESTED CORRECTIVE ACTION TROUBLE: Pressure Gauge Does Not Register Pressure No system pressure to the pump motor.
Page 111
Maintenance - Section 4 OM4035.2 02/03 Page 4- 28 Automatic Lube System POSSIBLE CAUSES SUGGESTED CORRECTIVE ACTION TROUBLE: Timer Turns On At Intervals Two (2) To Ten (10) Times More Often Than Set Time Interval Electrical noise is being introduced into the power sup- IMPORTANT: In some instances, electrical noise may be generated into vehicle electrical system ply to the timer overcoming suppressor capacitor...
OM4035.2 02/03 Maintenance - Section 4 Automatic Lube System Page 4- 29 PREVENTATIVE MAINTENANCE PROCEDURE The following maintenance procedures should be used This will indicate if there are any frozen or plugged to insure proper system operation. bearings, and will help flush the bearings of con- taminants.
Page 5-1 MAJOR COMPONENT DESCRIPTION The KOMATSU Model 730E Dump Truck is an electric drive, off-highway, rear dump truck whose gross vehicle weight is 715,000 lbs. (324 324 kg) rated for a maximum payload of 210 tons (190 t). ENGINE...
Number of Cylinders ..... . . 16 Komatsu ....59.0 ...223 Operating Cycle.
Page 117
Weights in excess of this TIRES amount require Komatsu / G.E. approval. Radial Tires (standard) ....37.00 R57 Rock Service, Deep Tread ... . Tubeless Rims .
Page 118
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-1 PAYLOAD METER III INDEX OPERATION SECTION ..........................3 INTRODUCTION ............................3 DATA SUMMARY ............................3 DATA GATHERING ............................3 COMPONENT DESCRIPTION ........................4 System Diagram ............................4 Suspension Pressure Sensors ........................4 Inclinometer ..............................4 Operator Display ............................4 Operator Switch ............................5 Speed Input ..............................5 Body-up Switch ............................5...
Page 119
Optional Equipment - Section 6 OM6008 02/03 Page 6-2 Payload Meter III PC SOFTWARE OVERVIEW ........................16 PC Overview ............................... 16 System Configuration ..........................16 Installing the Payload Meter III Software ....................16 DOWNLOADING DATA ..........................17 PLMIII SYSTEM CONFIGURATION ......................18 Starting Communications ...........................
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-3 OPERATION SECTION Data Gathering Windows 95/98/NT software available INTRODUCTION download, store and view payload and fault Payload Meter III (PLMIII) measures, displays and information. The PC software will download an entire records the weight of material being carried by an off- truck fleet into one Paradox database file.
Page 121
Optional Equipment - Section 6 OM6008 02/03 Page 6-4 Payload Meter III Component Description System Diagram Suspension Pressure Sensors Operator Display PLMIII uses a two-wire pressure sensor. The range The speedometer/display gauge is used as a speedometer and payload display. The top display is for the pressure sensor is 4000 psi (281 kg/cm ) and used for speed and can display metric (km/h) or...
Page 122
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-5 Operator Switch Payload Meter The payload operator switch is used to set, view and The payload meter is housed in a black aluminum clear the Total Load Counter and Total Ton Counter. housing.
Page 123
Optional Equipment - Section 6 OM6008 02/03 Page 6-6 Payload Meter III Keyswitch Input Load Lights PLMIII monitors the status of the keyswitch. 24vdc PLMIII uses load lights to indicate to the shovel indicates that the keyswitch is on, open indicates the operator the approximate weight of the material in keyswitch is off.
Page 124
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-7 Wiring and Termination Most of the PLMIII truck connections use a heavy- duty cable. This yellow multi-conductor cable uses a 16awg, finely stranded wire designed for continuous motion operations. The conductors are protected by a foil and braided shield for electronic noise immunity and physical strength.
Page 125
Optional Equipment - Section 6 OM6008 02/03 Page 6-8 Payload Meter III Operator's Display and Switch Using the Operator ID The current Operator ID number is recorded with each haul cycle. The number can be between 0 and 9999. Reading the Speedometer The top window of the speedometer/display gauge is To set the Operator ID: the speedometer section.
Page 126
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-9 Total Load Counter The inclinometer displays whole degrees of incline. Positive incline is truck nose up. The gauge will The Total Load Counter records the number of loads quickly display the type of information shown every hauled since the last time it was cleared.
Page 127
Optional Equipment - Section 6 OM6008 02/03 Page 6-10 Payload Meter III Payload Operation & Calculation method to switch from empty to loading is through continuous loading. This can happen if the brake lock is not used during loading. If the load increases above 50% of rated load for 10 seconds without the Description of Haul Cycle States brake lock applied, the meter will switch to loading...
Page 128
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-11 Sources for Payload Error 2. If the average payload is greater than 20% of rated load and the final payload has been cal- culated, the payload meter will switch back to the hauling state.
Page 129
Optional Equipment - Section 6 OM6008 02/03 Page 6-12 Payload Meter III HAUL CYCLE DATA Loading Conditions The final load calculation of the PLMIII system is not PLMIII records and stores data in its on-board flash sensitive to loading conditions. The final load is memory.
Page 130
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-13 Haul Cycle Data The following information is recorded for each haul cycle: Table 4: Haul Cycle Data Data Unit Remark Truck # alpha- Up to 22 characters can be stored in this field to identify the truck. Typically this field will be just the numeric truck number.
Page 131
Optional Equipment - Section 6 OM6008 02/03 Page 6-14 Payload Meter III Haul Cycle Warning Flags F: Final Zone to Dumping Transition The payload meter expects haul cycles to progress in This message is generated when the payload meter a particular way. When something unexpected takes senses a Body-Up while it is calculating the final place, the system records a warning flag.
Page 132
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-15 M: Haul Cycle Too Long Alarm Records The haul_cycle_too_long flag indicates that the haul The payload meter stores alarm records to give cycle took longer than 18.2 hours to complete. The service personnel a working history of the system.
Page 133
Optional Equipment - Section 6 OM6008 02/03 Page 6-16 Payload Meter III Sprung Weight Data System Configuration The payload meter is constantly monitoring the live PLMIII needs to be configured for operation when it payload calculation. This value naturally rises and is first installed on the truck.
Page 134
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-17 Downloading Data To download the payload meter: PLMIII records many types of data. The PLMIII PC software is designed to download the data from a 1. Connect to the payload meter and start the PC whole truck fleet.
Page 135
Optional Equipment - Section 6 OM6008 02/03 Page 6-18 Payload Meter III PLMIII System Configuration Short Tons: Payload is displayed in short tons, distances and speeds will be displayed in Starting Communications Miles The PDM software allows users to download and Metric Tons: Payload is displayed in metric configure the system.
Page 136
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-19 There are also many configuration and download Setting the Date and Time options available from this screen. The Connection Menu is updated only when the connection is first made.
Page 137
This field in the haul cycle record can hold the name The payload units on the lower display can be of the Komatsu distributor that helped install the changed from metric to short tons or long tons using system. Komatsu also assigns a distributor number the Truck Configuration screen.
Page 138
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-21 Clean Truck Tare Inclinometer Calibration The payload meter uses the clean truck tare value to The inclinometer calibration procedure is designed to calculate carry-back load for each haul cycle. The compensate for variations in the mounting attitude of carry-back stored in the haul cycle record is the new the inclinometer.
Page 139
The truck type is the size of the truck from the family dates and all times for the initial query. The display of Komatsu trucks. This allows the user to quickly can be narrowed by selecting which trucks or types view results from different types of trucks on the to view and for what dates and times.
Page 140
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-23 Sorting on Date Range 2. Change the “From” date to July 1, 2000. The default query starts in 1995 and runs through the current date on the PC. To narrow the range to a specific date, change the “From”...
Page 141
Optional Equipment - Section 6 OM6008 02/03 Page 6-24 Payload Meter III Creating Reports Date Time Reports can be generated and viewed on the screen Jan 5, 2000 Jan 6, 2000 Jan 7, 2000 Jan 8, 2000 Jan 9, 2000 0:00 or printed.
Page 142
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-25 NOTE: Some haul cycles may contain the Sensor Input warning flag. This indicates that one of the four pressure sensors or inclinometer was not functioning properly during the haul cycle. Haul cycles with this warning are displayed in red on the Payload Summary window and are not included in the summary statistics for reports or display.
Page 143
Optional Equipment - Section 6 OM6008 02/03 Page 6-26 Payload Meter III Creating Graphs Exporting Data The PLMIII software can generate graphs that quickly summarize payload data. These graphs can be customized for printing. Just like the reports, the graphs are generated from the query displayed on the “Payload Summary”...
Page 144
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-27 • Reserved 1-5, 7-10: These values are internal calculations used in the continued development of PLMIII and should be ignored. • Reserved 6: This value is the payload estimate at the shovel just before the truck begins to move.
Page 145
Optional Equipment - Section 6 OM6008 02/03 Page 6-28 Payload Meter III To export data in ZIP format: Deleting Haul Cycle Records To delete haul cycle records from the main database, 1. Confirm that the data displayed is the query press the "Delete"...
Page 146
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-29 Viewing Alarms Deleting Alarm Records From the Payload Summary screen, click the To delete alarm records from the main database, “Alarms” button to display the alarm screen. The press the "Delete"...
Page 147
OM6008 02/03 Optional Equipment - Section 6 Payload Meter III Page 6-30 NOTES: PORTIONS OF THIS PRODUCT RELATING TO PAYLOAD MEASURING SYSTEMS ARE MANUFACTURED UNDER LICENSE F ROM L.G. HAGENBUCH holder of U.S. Patent Numbers 4,831,539 and 4,839,835...
OM7001 Optional Equipment - Section 7 Cab Radio Page 7-1 RADIO, AM / FM STEREO CASSETTE FIGURE 7-1. CAB RADIO SETTING THE TIME GENERAL RECEIVER FUNCTIONS 1. Turn the key switch "ON". The receiver is equipped with two FM radio bands, FM1 and FM2.
Page 149
Optional Equipment - Section 7 OM7001 Page 7-2 Cab Radio • When the receiver is in the cassette mode, the Manual Tuning: Press TUNE (8) to tune to the next display will toggle between TP SIDE 1 or TP higher frequency. Press SEEK (7) to tune to the next SIDE 2, and the clock.
Page 150
OM7001 Optional Equipment - Section 7 Cab Radio Page 7-3 PROGRAMMING PRESET STATIONS Presets are stations that are stored on each of the 6 The frequency associated with each channel is as push-buttons. After a station has been programmed follows: into one of the preset buttons, pushing the preset provides a quick return to that station.
Page 151
Optional Equipment - Section 7 OM7001 Page 7-4 Cab Radio PROGRAMMABLE EJECT DEFAULT PLAYING A CASSETTE The cassette player has been pre-programmed to 1. Turn the receiver "ON". return to the radio after a tape has been ejected. This 2. Insert a cassette into the player. The cassette default may be changed to an “eject audio mute”...
Page 152
OM7001 Optional Equipment - Section 7 Cab Radio Page 7-5 CASSETTE PLAYER CLEANING BAD TAPE DETECT After 35 hours of cassette play, the display will read If the receiver detects a bad cassette, “BAD TAPE” "TP CLEAN" for 5 seconds. This indicates that it is will appear on the display, and the tape will be time to clean the cassette player.
Need help?
Do you have a question about the 730E and is the answer not in the manual?
Questions and answers