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Toyota 8FGCU20 IC Cushion Forklift Manuals
Manuals and User Guides for Toyota 8FGCU20 IC Cushion Forklift. We have
2
Toyota 8FGCU20 IC Cushion Forklift manuals available for free PDF download: Manual, Repair Manual
Toyota 8FGCU20 Manual (618 pages)
Brand:
Toyota
| Category:
Forklifts
| Size: 29.22 MB
Table of Contents
Table of Contents
2
Exterior Views
3
Vehicle Model
5
Frame Number
6
How to Use this Manual
8
Explanation Method
8
Terminology
9
Abbreviations
9
Operational Tips
10
Hoisting the Vehicle
12
How to Start the Hour Meter
12
Attentive Points on Sas
13
Circuit Tester
14
Standard Bolt & Nut Tightening Torque
16
Bolt Strength Class Identification Method
16
Precoat Bolts
19
High Pressure Hose Fitting Tightening Torque
19
Wire Rope Suspension Angle List
20
Safe Load for each Wire Rope Suspension Angle
20
Components Weight
21
Recommended Lubricant Quantity & Types
22
Lubrication Chart
24
Periodic Maintenance
26
Inspection Method
26
Engine Exterior View
33
Engine Main Parameters
35
Engine Performance Curves
38
Engine Assy
41
Removal·installation
41
Air Bleeding of the Fuel System
44
Engine Inspection·adjustment
44
4Y Engine
48
1Dz-II Engine Vehicle
49
Air Cleaner
51
Specifications
51
Components
51
Air Cleaner Cleaning·inspection
53
Clogging Warning System Inspection (Opt)
54
Radiator
55
Components
55
Specifications
56
Coolant Capacity and Antifreeze Table
56
Coolant Inspection
56
Muffler & Exhaust Pipe
60
Components
60
Removal·installation
61
Battery
64
Components
64
Specifications
65
Inspection
66
V-Belt Tension Adjustment
67
Accelerator Pedal
68
Components
68
Inspection·adjustment
69
Ez Pedal (Opt)
71
Components
71
Disassembly·inspection·reassembly
72
Adjustment
74
Travel and Load Handling Control Device (Opt)
76
Components
76
Removal·installation
77
Throttle Opening Degree Adjustment
79
Troubleshooting
82
Specifications
85
Engine Exterior View
86
Engine Sectional View
88
How to Use this Manual
90
Explanation Method
90
Terminology
91
Abbreviations
92
Operating Tips
93
General Instructions
93
Electrical Parts Inspection
96
Bolt & Nut Tightening Torques
98
Method and Tightening Torque
98
Precoated Bolts
101
Si Units
101
HANDLING Flpg (LIQUID GASKETS)
102
Troubleshooting
105
Mechanical Trouble
105
Engine Does Not Crank Normally
106
Or Does Not Start at All
107
During Idling
108
Cannot Accelerate Smoothly
109
Insufficient Power Output
111
Engine Overheats
112
Excessive Fuel Consumption
113
Abnormal Combustion
114
Or Noisy Engine
116
Excessive Engine Oil Consumption
119
Sst to be Used
121
Engine Attachments
123
Cylinder Head
126
Components
126
Disassembly=Inspection=Reassembly
141
Timing Gear
141
Components
150
Cylinder Block
150
Engine Adjustment
161
V-Belt 1Nspection.adjustment
161
Idle-Up Speed
162
Load Maximum Speed Inspection and
163
Adjustment
163
Compression Inspection
163
Sst to be Used
167
Engine Attachments
169
Removal-Inspection~Installation
169
Cylinder Head
173
Components
173
Timing Gear
185
Components
185
Cylinder Block
197
Components
197
Engine Adjustment
208
V-Belt Inspection-Adjustment
208
Idle Speed Inspection
209
Load Maximum Speed Measurement
210
Compression Inspection
210
Sst to be Used
213
Fuel Pump
214
Components
214
Removal
215
Airtightness Inspection
215
Installation
216
Carburetor
217
Schematic Diagram
217
Components
218
On-Vehicle Inspection
219
Disassembly
220
Inspection
224
Reassembly
226
Carburetor Adjustment
228
Fast Idle Cam Adjustment
230
Air Governor
231
Components
231
Removallinstallation
232
Disassembly
232
Inspection
233
Reassembly
234
Adjustment
235
Sst to be Used
239
Throttle Body
240
Components
240
Injector
243
Removal-Inspection-Installation
244
Fuel Pressure Regulator
247
Fuel Pump
248
Components
248
Intake Temperature Sensor
252
Removal
252
Inspection
252
Installation
252
Ventilation Valve
255
Components
255
Removal
256
Inspection
256
Installation
256
Sst to be Used
265
Oil Pressure Inspection
266
ENGINE Oilmoil FILTER REPLACEMENT
267
OIL Pumpmstrainer
268
Components
268
Disassemblyminspection.reassembly
271
Circuit Diagram
275
Spark Plugs
276
Inspection
276
Distributor
277
Components
277
On-Vehicle Inspection
278
Spark Plugs
289
Inspection
289
Distributor
290
Components
290
On-Vehicle Inspection
291
Removal
291
Installation
292
Igniter
293
General
293
Sst to be Used
297
Starter Motor
298
Components
298
Disassembly-Inspection-Reassembly
300
Starter Motor Assy Unit Inspection
305
How to Read this Manual
335
Explanation Method
335
Terminology
336
Abbreviations
336
Operation Precautions
338
Special Precautions
338
General Precautions
338
Inspection of Electric Parts
341
Bolt and Nut Tightening Torque
343
Bolt Strength Type Identification Method and Tightening Torque
343
Precoat Bolts
346
Agent Coating on Threads)
346
Si Units
346
HANDLING the Flpg (LIQUID GASKET)
347
Engine Does Not Crank Normally
350
Engine Does Not Start Easily or Does Not Start at All
351
Engine Malfunctions or Stops While Idling
352
Cannot Accelerate Smoothly
352
Insufficient Output
353
Engine Overheating
353
High Fuel Consumption
354
Frequent Diesel Knocking
355
Large Amount of Exhaust Smoke While Driving
355
Unusual Engine Sounds and Noises
356
High Engine Oil Consumption
359
Used Ssts
361
Engine Accessories
363
Removal. Inspection and Installation
363
Cylinder Head
368
Components
368
Disassembly. Inspection and Reassembly
370
Timing Gear Components
379
Disassembly. Inspection and Reassembly
381
Cylinder Block Components
392
Disassembly. Inspection and Reassembly
394
Cylinder Block Bore Dimensions
406
Engine Tune-Up
407
Belt Tension Inspection and Adjustment
407
Valve Clearance Inspection and Adjustment
408
Idling Speed Inspection and Adjustment
408
Maximum Engine Speed Inspection and Adjustment
409
Injection Timing Inspection and
409
Compression Inspection
411
Used Ssts
413
Fuel Filter
415
Removal and Installation
415
Disassembly, Inspection and Reassembly
417
Injection Nozzle
419
Removal and Installation
420
Injection Pump
424
Specifications
424
Removal and Installation
426
Disassembly
427
Inspection
433
Reassembly
437
Airtightness Test
449
Adjustment
450
Used Ssts
471
Oil Pressure Inspection
472
Engine Oil and Oil Filter Replacement
472
Oil Strainer
473
Oil Pump
474
Used Ssts
479
Preheating System
480
Electric Circuit Diagram
480
Inspection of Glow Plug
481
Inspection of Preheating Timer
481
Inspection of Water Temperature Sensor
482
Starter Motor
483
Removal, Inspection and Installation
484
Disassembly. Inspection and Reassembly
485
Starter Assembly Individual Inspection
491
Appendix
505
Sst List
505
Service Standards
509
Engine Overhaul
509
Fuel System
515
Cooling System
519
Lubrication System
519
Starting System
520
Type of Lpg Devices
525
Engine Performance Curves
526
Engine Specifications
529
Principal Differences from Gasoline Vehicle
530
General Rules of Servicing Work
531
Bolt & Nut Tightening Torques
532
Bolt Strength Class Identification Method and Tightening Torque
532
Precoated Bolts (Bolts with Seal Lock Agent Coating on Threads)
535
Periodic Maintenance
536
Inspection Method
536
Periodic Replacement Parts
536
Outline of Lpg Device
539
Fuel Filter for Lpg
540
Solenoid Valve
540
Adapter
541
Specifications
541
Regulators System Components
548
Before Troubleshooting
571
Connector Handling
571
Wire Harness and Connector Inspection Procedure
571
Before Beginning Troubleshooting
573
Diagnosis (Self Diagnosis Function)
574
General
574
How to Interpret the Flow-Charts
575
Analyzer
576
Analyzer Menu Screen List
577
About Trouble Shooting by Error Codes
578
Troubleshooting by Symptoms
581
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Toyota 8FGCU20 Repair Manual (223 pages)
Brand:
Toyota
| Category:
Forklifts
| Size: 8.6 MB
Table of Contents
Table of Contents
3
Cushion Tire Models (Cu)
4
General Information
4
Pneumatic Tire Models (Pn)
4
Frame No. Punching Position
5
Pneumatic Tire
6
Cushion Tire
6
Hydrostatic Steering Valve - 1ZS and 4YE Engine
7
Steering
7
Hydrostatic Steering Valve - 4YM and 1DZ Engine
8
Hydrostatic Steering Valve - 4YM Engine (L/Synchronized Steering)
9
Specifications
10
Hydrostatic Steering Valve (L/Synchronized Steering) Data
10
Hydrostatic Steering Valve (W/Synchronized Steering) Data
10
Components
11
1ZS and 4YE Engine Components View
11
4YM and 1DZ-II Engine Components View
11
PS Valve Views
12
4YM and 1DZ-II Engine (W/Synchronized Steering) Components View
13
Hydrostatic Steering Valve Assy View
14
Hydrostatic Steering Valve Assy Disassembly
14
Hydrostatic Steering Valve Assy Reassembly
15
Relief Pressure Inspection (1ZS and 4YE)
18
Hydraulic Circuit Diagram - 4YE and 1ZS Engine Without Oil Cooler
19
Material Handling System
19
Hydraulic Circuit Diagram - 4YE and 1ZS Engine with Oil Cooler
20
Hydraulic Circuit Diagram - 4YM and 1DZ-II Engine Without Oil Cooler
21
Hydraulic Circuit Diagram - 4YM and 1DZ-II Engine with Oil Cooler
22
Material Handling System Components View
23
Oil Pump View
24
Oil Pump Specifications
25
Oil Pump Performance Test
26
Lifting Speed
26
Oil Control Valve
27
Oil Control Valve Assy View - 1ZS and 4YE Engine
28
X1-X1 Inlet View
29
Hydraulic Circuit Diagram (1ZS Engine)
30
Hydraulic Circuit Diagram (4YE Engine)
31
Oil Control Valve Specifications
32
Oil Control Valve Components View - 1ZS and 4YE Engine
33
Oil Control Valve Components View - 1DZ-II and 4YM Engine
33
Oil Control Valve Components View - 1DZ-II and 4YM (Inlet/Outlet/Lift)
34
Oil Control Valve Components View - 1DZ-II and 4YM Engine [ATT]
34
Oil Control Valve Disassembly and Reassembly (1ZS and 4YE Engine)
35
Point Operations
36
Oil Control Valve Assy (Mini/Joystick Lever) View - 1ZS/4YE Engine
41
Oil Control Valve Assy - X1-X1 View
42
Oil Control Valve Assy Hydraulic Circuit Diagram (1ZS Engine)
43
Oil Control Valve Assy Hydraulic Circuit Diagram (4YE Engine)
44
Oil Control Valve Assy Specifications
45
Oil Control Valve Assy Components View - 1ZS and 4YE Engine
46
Oil Control Valve Assy Disassembly and Reassembly (1ZS and 4YE Engine)
47
Oil Control Valve Assy - Point Operations
48
Relief Pressure Adjustment
52
SAS Function
54
SAS Components View - Load Sensor (4Y Engine)
54
Sas/Ops
54
SAS Components View - Load Sensor (1ZS Engine)
55
SAS Components View - Load Sensor (1DZ-II Engine)
56
Multi-Function Display DX
57
Display
57
Multi-Function Display DX Function List
58
Screen
59
Initial Screen after Key-On
59
Status Screen
59
Speedometer
60
Torque Converter Oil Temperature Indicator
60
Function Activation Indicator
60
Low Speed Setting Indicator/Auto Speed Control Indicator
60
Menu Lock Indicator
61
Eco-Mode Indicator
61
Maintenance Indicator
61
Odometer
62
Trip Meter
62
Planned Maintenance Hour Meter
62
Meter
62
Torque Converter Oil Temperature Overheat Warning
63
Over Speed Alarm/Diagnostic Code Display
63
Parking Brake on Warning/Parking Brake off Warning
63
Warning
63
Setting Functions
64
Setting Menu for Operator
64
Low Speed Level Setting Screen
64
Over Speed Alarm Setting Screen
64
Administrator Functions List
65
Administrator Password
65
Password Entry Procedure
65
Setting Menu for Administrator
67
Administrator Functions
68
Travel Speed Limiter Setting Screen
68
Planned Maintenance Hour Setting Screen
69
Engine Auto Stop Time Setting Screen
69
Administrator’s Second Password Setting Screen
70
Registration of Password
70
Deletion of Password
71
Menu Lock Setting Screen
71
Menu Lock Setting Screen Description
72
Service Functions "Mask Menu"
73
Mask Function List
73
Password Entry Procedure (Mask Menu)
74
Service Functions "Mask Menu" Screen
76
Analyzer Function
77
Tuning Function
78
Optionset Function
78
Speed Limit Set Function
79
Wheel Radius Function
79
Matching Function
79
Idle Adjustment Function
80
Mask Password
80
Manager Pass CLR
80
Contrast
80
Meter Start
81
End
81
Analyzer
82
Analyzer Screen Menu List
83
Analyzer Menu Screen
87
Diagnosis Memory Function "1 Diag. Memory"
89
"Diag. Memory 2/2"
90
In/Out Monitor Function "I/O MONITOR"
91
In/Out Monitor (1) "2.I/O ENGINE CTRL"
91
"I/O Engine CTRL 1/10"
92
"I/O Engine CTRL 2/10"
92
"I/O Engine CTRL 3/10"
93
"I/O Engine CTRL 4/10"
93
"I/O Engine CTRL 5/10"
94
"I/O Engine CTRL 6/10"
94
"I/O Engine CTRL 7/10"
94
"I/O Engine CTRL 8/10"
95
"I/O Engine CTRL 9/10"
95
"I/O Engine CTRL 10/10"
95
Engine Vehicle
96
"I/O Engine CTRL 1/5"
96
"I/O Engine CTRL 2/5"
97
"I/O Engine CTRL 3/5"
97
"I/O Engine CTRL 4/5"
97
"I/O Engine CTRL 5/5"
97
In/Out Monitor (2) "3.I/O TRAVELING"
98
"I/O Traveling 1/3"
99
"I/O Traveling 2/3"
100
Lifting Height Switch (MH) ON/OFF Combination Table
101
"I/O Traveling 3/3"
101
In/Out Monitor (3) "4.I/O M.HANDLING"
102
"I/O M.handling 1/7"
103
Condition of the Seat/Lever and Detected Values
104
"I/O M.handling 2/7"
104
"I/O M.handling 3/7"
105
"I/O M.handling 4/7"
105
"I/O M.handling 5/7"
106
"I/O M.handling 6/7"
107
In/Out Monitor (4) "5.I/O Steering"
108
"I/O M.handling 7/7"
108
"I/O Steering 1/1"
110
In/Out Monitor (5) "6.I/O Others"
111
"I/O Others 1/2"
111
"I/O Others 2/2"
111
Active Test Menu List
112
"Active Test 2/3"
114
"Active Test 1/3"
114
"Active Test 3/3"
115
Program Version "VERSION"
116
Tuning Item List
117
Tuning Menu Screen
121
Tuning General "Tune Gen."
123
Tuning Lift Lever "Lift Down/Lift Up"
124
Tuning Tilt Lever "Tilt Fwd/Tilt BWD"
125
Tuning ATT1 Lever "ATT1 Push/Att1 Pull"
126
Tuning ATT2 Lever "ATT2 Push/Att2 Pull"
127
Tuning ATT3 Lever "ATT3 Push/Att3 Pull"
128
Option Settings
129
Option Set Menu List
129
Option Set Screen "Optionset"
130
Option Set Screen 1
131
Option Set Screen 2
131
Option Set Screen 3
131
Option Set Screen 4
131
Option Set Screen 5
132
Matching
133
Matching Items and Prerequisite for Implementation
133
Prerequisite Content for Implementation
133
Before Starting Matching
134
Mini Lever
134
Emrv
134
Standard Vehicle Condition
134
Loadmeter 0 Set (0 Set of the Load Gauge) Check
135
Tire Straight Traveling Position Check
135
No-Load Vertical Condition Check
135
Matching Menu Screen
136
Matching SAS "SAS"
138
"Tilt Level" Screen
138
"Tilt FWD Limit" Screen
138
"Tire Position" Screen
139
"Swing Level" Screen
139
"Lever2" Screen
140
"Lever1" Screen
140
Matching Mini Lever "Mini Lever"
140
Matching EMRV "EMRV"
141
"Lever3" Screen
141
"Lever4" Screen
141
"EMRV C01 to EMRV C02" Screen
142
Other Service Function
143
Wheel Radius
143
Speed Setting of Speed Limiter "Speed Limit Set"
145
Idle Adjustment (IDLE ADJUSTMENT)
146
Service Second Password Setting "Mask Password"
147
"Mask Password" Screen
148
Set Mask Second Password Operation
149
Administrator's Second Password Clear "Manager Pass CLR"
150
Contrast Adjustment "Contrast"
151
Meter Start "Meter Start"
152
Troubleshooting
154
Diagnosis Code List
155
Warning List
156
When no Error Code Is Displayed
157
Engine Is Slow to Rev up
158
The Idle Speed Does Not Rise Even if the Lift Is Raised
158
Speed Limit Applies at High Lifting Height Despite Not Being Loaded
159
Speed Limit Does Not Operate
159
Speed Limit Applies at All Times Regardless of Lifting Height or Load
160
Speed Limit Applies When Loaded Despite Being at a Low Lifting Height
160
Mini Lever or Joystick Troubleshooting
161
STD Lever Troubleshooting
161
Easy to Stall (4YE Engine Model)
162
Buzzer Sounds Constantly
163
OPS Leaving Seat Warning Does Not Sound
163
Traveling OPS Return to Neutral Alarm Does Not Sound
163
Material Handling OPS Return to Neutral Alarm Does Not Sound
164
Parking Brake Reminder Alarm Does Not Sound
166
Parking Brake Reminder Alarm Continues to Sound
167
Parking Brake Return Reminder Alarm Does Not Sound
167
Parking Brake Return Reminder Alarm Sounds on Traveling
167
Torque Converter Oil Temperature Indicator Costantly Displays Overheat
168
Torque Converter Oil Temperature Indicator Does Not Display
168
Torque Converter Oil Temperature Indicator Stays at Level 1
168
Feels Unstable When Traveling
169
Swing Lock Continually Activates While Traveling
170
Forward Tilt Automatic Fork Leveling Does Not Stop
171
Forward Tilt Automatic Fork Leveling Does Not Stop
172
Mast Backward Tilting Speed Is Not Limited/Always Slow
174
Backward Tilt Automatic Fork Leveling Does Not Stop
175
Active Steering Control Knob Moves out of Alignment
177
Active Steering Control Knob Is out of Alignment
178
Hour Meter Is Not Displayed
180
Meter Troubleshooting
180
The Wrench Lamp Does Not Light
180
Wrench Lamp Is Lit Continually
180
Cannot Lower the Lift
181
OPS Troubleshooting
181
Cannot Perform Forward Tilt (OPS)
182
Cannot Perform Backward Tilt (OPS)
183
Cannot Perform Material Handling Except for Lift Lower (OPS)
183
Material Handling OPS Does Not Operate
184
No Material Handling Can be Performed (OPS)
185
Traveling OPS Does Not Operate
186
Cannot Perform Material Handling Except for Lift up and Attachments
187
Cannot Travel (OPS)
187
Cannot Travel (Torque Converter Interlock)
188
The Torque Converter Interlock Does Not Operate
188
Torque Converter Interlock Troubleshooting
188
Power Supply Troubleshooting
189
When Error Code Is Displayed
191
Error Code: 61-3
192
Failure Mode: Pressure Sensor Open Abnormality (P-Port)
192
Error Code: 61-4
195
Failure Mode: Pressure Sensor VCC Short Abnormality (P-Port)
195
Error Code: EC-1
197
Failure Mode: Unload Solenoid Open Circuit or Load Short Abnormality
197
Failure Mode: Electromagnetic Relief Solenoid Open Abnormality
199
Error Code: EC-2
199
Error Code: EC-3
201
Failure Mode: Electromagnetic Relief Solenoid Short Abnormality
201
Error Code: EC-4
203
Electromagnetic Relief Solenoid Drive Circuit Abnormality
203
Wiring Diagram
205
Electrical Wiring Routing - Instrument Panel
206
Relay Locations
209
Engine Room R/B: Engine Room Left
209
System Circuits
210
Body: SAS/OPS System Circuits Diagram
210
Lighting System Diagram
214
Head Lamp Wiring Diagram
214
Clearance Lamp Wiring Diagram
216
Connector List
218
Sst List and Service Standards List
219
Service Standards List
220
Pn3 Ton Series
220
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