Mitsubishi Diesel Forklift Truck Fd100nz Fd120nz Fd135nz Fd150anz Workshop Service Manual

Service Manual Chassis & Mast FD100NZ FD120NZ FD135NZ FD150ANZ

LC/FC

F15DE-60001-up F15DE-60001-up F15DE-60001-up F24BE-60001-up

For use with 6D16-TL Engine Service Manual.

99799-21000

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FOREWORD This service manual is a guide for servicing Mitsubishi Forklift Trucks.

The long productive life of your forklift truck(s) depends on regular and proper servicing, servicing consistent with what you will learn by reading this service manual.

Read the respective sections of this manual carefully and familiarize yourself with all of the components before attempting to start a test, repair or rebuild the forklift truck.

The descriptions, illustrations and specifications contained in this manual are for forklift trucks with serial numbers in effect at the time of printing.

Mitsubishi Forklift Trucks reserves the right to change specifications or designs without notice and without incurring obligations. For your convenience the instructions are grouped by systems as an easy reference.

For engine servicing, please refer to the applicable engine service manual.

6D16-TL diesel engine

Safety related signs

Meanings

RWARNING

Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

RCAUTION

Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury, or damage to your machine.

NOTE

Indicates a condition that can cause damage to or shorten service life of the machine.

Unauthorized copying and lending are prohibited.

i

1. Safety R WARNING -

-

The proper and safe lubrication and maintenance for these forklift trucks, recommended by Mitsubishi Forklift Trucks, are outlined in the OPERATION & MAINTENANCE MANUAL. Read and understand the OPERATION & MAINTENANCE MANUAL before performing any lubrication or maintenance on these trucks. Improper performance of lubrication or maintenance procedures is dangerous and could result in injury or death. The serviceman or mechanic may be unfamiliar with many of the systems on this truck. This makes it important to use caution when performing service work.

Do not operate these trucks unless you have read and understood the instructions in the OPERATION & MAINTENANCE MANUAL. Improper truck operation is dangerous and could result in injury or death.

A knowledge of the system and/or components is important before the removal or disassembly of any component.

Because of the size of some of the truck components, the serviceman or mechanic should check the weights noted in this Manual.

Use proper lifting procedures when removing any components.

Following is a list of basic precautions that should always be observed.

(1) Read and understand all warning plates and decals on the truck before operating, lubricating or repairing the product.

(2) Always wear protective glasses and protective shoes when working around trucks. In particular, wear protective glasses when using a hammer or sledge on any part of the truck or its attachments with a hammer or sledge.

Use welders gloves, hood/goggles, apron and other protective clothing appropriate to the welding job being performed. Do not wear loose fitting or torn clothing. Remove all rings from fingers when working on machinery.

(3) Do not work on any truck that is supported only by lift jacks or a hoist. Always use blocks or jack stands to support the truck before performing any disassembly.

(4) Lower the forks or other implements to the ground before performing any work on the truck. If this cannot be done, make sure the forks or other implements are blocked correctly to prevent them from dropping unexpectedly.

(5) Use steps and grab handles (if applicable) when mounting or dismounting a truck. Clean any mud or debris from steps, walkways or work platforms before using. Always face truck when using steps, ladders and walkways. When it is not possible to use the designed access system, provide ladders, scaffolds, or work platforms to perform safe repair operations.

(6) To avoid back injury, use a hoist when lifting components which weigh 23 kg (51 lb) or more. Make sure all chains, hooks, slings, etc., are in good condition and are of the correct capacity. Be sure hooks are positioned correctly. Lifting eyes are not to be side loaded during a lifting operation.

(7) To avoid burns, be alert of the hot sections and hot fluids in lines, tubes and compartments, even when idle or off.

(8) Be careful when removing cover plates. Gradually remove the last two bolts or nuts located at opposite ends of the cover or device and pry cover loose to relieve any springs or other pressures, before removing the last two bolts or nuts completely.

ii

(9) Be careful when removing filler caps, breathers and plugs on the truck. Hold a rag over the cap or plug to prevent being sprayed or splashed by liquids under pressure. Be aware that the danger of being sprayed or splashed if the truck has just been stopped because fluids can be hot.

(10) Use tools well maintained. And use the tools in proper way.

(11) Reinstall all fasteners with same part number. Do not use a lesser quality fastener if replacements are necessary.

(12) If possible, make all repairs with the truck parked on a level, hard surface. Block truck so it does not roll while working on or under truck.

(13) Before starting to work on truck, hang "Do not Operate" tag in the Operator Compartment.

(14) Repairs, which require welding, should be performed only with the appropriate reference information and by personnel adequately trained and knowledgeable in welding procedures. Determine the type of metal and select the correct welding procedure and electrodes, rods or wire to provide a weld metal strength equivalent at least to that of parent metal.

(15) Do not damage wiring during the removal process. Do not reuse the damaged wiring. Reinstall the wiring paying attention not to contact sharp corners or hot parts. Place wiring away from oil pipe.

(16) Be sure all protective devices including guards and shields are properly installed and functioning correctly before starting a repair.

If a guard or shield must be removed to perform the repair work, use extra caution.

(17) Always support the mast and carriage to keep carriage or attachments raised when maintenance or repair work is performed, which requires the mast in the raised position.

(18) Loose or damaged fuel, lubricant and hydraulic lines, tubes and hoses could cause fires. Do not bend or strike high pressure lines or install ones which have been bent or damaged. Inspect lines, tubes and hoses carefully. Do not check for leaks with your hands. Pin hole (very small) leaks could result in a high velocity oil stream that will be invisible close to the hose. This oil could penetrate the skin and cause personal injury. Use cardboard or paper to locate pin hole leaks.

(19) Tighten connections to the correct torque. Make sure that all heat shields, clamps and guards are installed correctly to avoid excessive heat, vibration or rubbing against other parts during operation. Shields that protect against oil spray onto hot exhaust components in event of a line, tube or seal failure, must be installed correctly.

(20) Relieve all pressure in air, oil or water systems before any lines, fittings or related items are disconnected or removed.

Place blocks to prevent a device from falling if it is in the raised position. Release the residual pressure when removing a pressurized device.

(21) Do not operate a truck if any rotating part is damaged or contacts any other part during operation.

Any high speed rotating component that has been damaged or altered should be checked for balance before reusing.

iii

2. How to Use This Manual 2.1 Truck Model LC (Lever Control System) Truck This model allows a very small operating effort, and is suitable for an operator who prefers the conventional operation movement.

500206

FC (Fingertip Control System) Truck This model allows a fingertip operation of lifting and tilting jobs, and may improve the job efficiency with less operation fatigue.

500207

iv

3. Symbols and Abbreviations Symbol or abbreviation

Meanings

OP.

Option

R1/4

Taper pipe thread (external) 1/4 inch (formerly PT1/4)

Rc1/8

Taper pipe thread (internal) 1/8 inch (formerly PT1/8)

G1/4A

Straight pipe thread (external) 1/4 inch (formerly PF1/4-A)

Rp1/8

Straight pipe thread (internal) 1/8 inch (formerly PS1/8)

4. Units -

SI Units are used in this manual.

The following table shows the conversion of SI unit and customary unit.

Item

SI unit

Metric unit

Yard-pound unit

1N

0.102 kgf

0.225 lbf

Pressure

1 MPa

10.1972 kgf/cm2

145.038 psi

Torque

1 N·m

0.102 kgf·m

0.7376 lbf·ft

1 mm

-

0.039 in.

1m

-

3.281 feet

Weight

1 kg

-

2.205 lb

Temperature

1 °C

-

°F=1.8x°C+32

Volume

1L

-

0.264 US.gal.

Force

Length

v

TABLE OF CONTENTS

Chapter 1 GENERAL INFORMATION 1.

2.

3.

4.

4.1 4.2

Model View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 Applicable Truck Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 Serial Number Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

Chapter 2 COOLING SYSTEM 1.

2.

3.

3.1 3.2 3.3

4.

4.1 4.2 4.3 4.4

5.

5.1

6.

6.1

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2 Removing Radiator and Intercooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 Removal Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 Suggestions for Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

Inspection and Adjustment of Radiator and Intercooler . . . . . . . . .2-5 Intercooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5 Inspecting Fan Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5 Radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5 Antifreeze and Cooling Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6

Installing Radiator and Intercooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6 Suggestions for Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7 Service Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

Chapter 3 ELECTRICAL SYSTEM 1.

2.

2.1

3.

3.1 3.2 3.3 3.4 3.5 3.6

4.

4.1 4.2

5.

6.

6.1 6.2

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1 Chassis Electrical Devices and Wiring Outline . . . . . . . . . . . . . . . . . . .3-2 Relay Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3

Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4 Console Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4 Function of Meter Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5 Side Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7 Key Switch (Anti-Restart Switch) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9 Combination Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10 Fuse Box Connection Table (Chassis) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13

Disassembling Console Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14 Disassembly Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14

Reassembling Console Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14 Battery and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-15 Electrolyte Specific Gravity (S.G.) and Charging Adjustment . . . . . . . . . . .3-15 Electrolyte Specific Gravity and State of Charge . . . . . . . . . . . . . . . . . . . . . . .3-15

TOC-1

TABLE OF CONTENTS

6.3 6.4

7.

7.1 7.2 7.3 7.4 7.5

8.

Precautions for Charging Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Precautions to Handle Alternator Charging System . . . . . . . . . . . . . . . . . . 3-16

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Starter System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lighting System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Alarm Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-17 3-17 3-18 3-19 3-19

Electrical Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20

Chapter 4 CONTROLLERS 1.

1.1 1.2 1.3

2.

2.1 2.2 2.3 2.4

3.

4.

4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 4.22 4.23 4.24 4.25 4.26

TOC-2

Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Color coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Controller External View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Service Tool Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 Menu structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input Monitor and Output Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fault Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fault History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-12 4-13 4-17 4-18

Error Code List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 VCM-3 Memory Check Error (F01) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 VCM-3 Battery Voltage Error (F02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24 VCM-3 Communication Error (F03) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26 MP Communication Error (F07) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28 Lift Lever Neutral Error (F10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30 Tilt Lever Neutral Error (F11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32 Attachment 1 Lever Neutral Error (F12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34 Attachment 2 Lever Neutral Error (F13) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36 Attachment 3 Lever Neutral Error (F14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38 Shift Lever Error (F16) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40 Vehicle Speed Error (F17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41 Lift Lever Error (F20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-42 Tilt Lever Error (F22) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44 Attachment 1 Lever Error (F24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-46 Attachment 2 Lever Error (F26) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48 Attachment 3 Lever Error (F28) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-50 Joystick Lever Error (F29) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-52 VCM-3 Sensor Voltage Error (F31) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54 Vehicle Speed Sensor Error (F34) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56 Output Unit Error (F41) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-58 Output Unit Life Control Signal (F42) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-58 Output Unit Memory Check Error (F43) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-59 Output Unit PWM Voltage Error (F44) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-60 Output Unit Communication Error (F45) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-62 Input Unit Error (F46) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-64

TABLE OF CONTENTS

4.27 4.28 4.29 4.30 4.31 4.32 4.33 4.34 4.35 4.36 4.37 4.38 4.39 4.40 4.41 4.42 4.43 4.44 4.45 4.46 4.47 4.48 4.49 4.50 4.51 4.52 4.53 4.54 4.55 4.56

Input Unit Life Control Signal (F47) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-65 Input Unit Memory Check Error (F48) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-66 Input Unit Communication Error (F49) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-66 Lift Up Solenoid Error (F50) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-68 Lift Down Solenoid Error (F52) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-70 Lift Solenoid Leak (F54) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-72 Tilt Forward Solenoid Error (F55) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-76 Tilt Backward Solenoid Error (F57) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-78 Tilt Solenoid Leak (F59) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-80 Attachment 1A Solenoid Error (F60) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-84 Attachment 1B Solenoid Error (F62) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-86 Attachment 1 Solenoid Leak (F64) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-88 Attachment 2A Solenoid Error (F65) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-92 Attachment 2B Solenoid Error (F67) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-94 Attachment 2 Solenoid Leak (F69) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-96 Attachment 3A Solenoid Error (F70) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-100 Attachment 3B Solenoid Error (F72) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-102 Attachment 3 Solenoid Leak (F74) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-104 Unload Solenoid Error (F75) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-108 Unload Solenoid Leak (F79) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-110 Transmission Forward Solenoid Error (F85) . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-112 Transmission Backward Solenoid Error (F87) . . . . . . . . . . . . . . . . . . . . . . . . . .4-114 Transmission Solenoid Leak (F89) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-116 VCM3-OP Memory Check Error (F91) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-118 VCM3-OP Battery Voltage Error (F92) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-120 VCM3-OP Speed Change Solenoid 1 Error (F93) . . . . . . . . . . . . . . . . . . . . . . .4-122 VCM3-OP Speed Change Solenoid 2 Error (F94) . . . . . . . . . . . . . . . . . . . . . . .4-124 VCM3-OP Speed Change Solenoid Leak (F95) . . . . . . . . . . . . . . . . . . . . . . . . .4-126 VCM3-OP Setting Error (F96) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-128 VCM3-OP Communication Error (F97) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-130

Chapter 5 TILTABLE SYSTEM 1.

2.

2.1 2.2 2.3 2.4

3.

4.

5.

6.

6.1 6.2 6.3

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2 Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2 Hand Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3 Tiltable Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4 Hydraulic Latch A and B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5

Filling Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6 Bleeding Tiltable Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6 Hydraulic Circuit Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-8 Service Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9 Tiltable Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9 Cylinder bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9 Pin A and B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-10

TOC-3

TABLE OF CONTENTS

Chapter 6 POWER TRAIN 1.

2.

3.

4.

4.1 4.2 4.3 4.4 4.5 4.6

5.

5.1 5.2

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Reduction Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3 Removal and Installation of Engine and Transmission Unit . . . . . . 6-4 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4 Removing Covers and Engine Control Cables . . . . . . . . . . . . . . . . . . . . . . . . 6-5 Removing Harnesses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6 Disconnecting Pipes and Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 Preparation for Removal of Engine and Transmission Unit . . . . . . . . . . . . 6-9 Removing Engine and Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10

Installing Engine and Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11 Suggestions for Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11 Capacity and Brand of Oils and Cooling Water . . . . . . . . . . . . . . . . . . . . . . . 6-13

Chapter 7 3-SPEED POWERSHIFT TRANSMISSION 1.

2.

2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9

3.

3.1

4.

5.

5.1 5.2

6.

7.

7.1 7.2

8.

8.1 8.2 8.3 8.4 8.5 8.6

TOC-4

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2 Torque converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2 Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3 Power Flow - Forward . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4 Power Flow - Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5 Control Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6 Main Regulator Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6 3-Speed Transmission Hydraulic Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7 Automatic 3-Speed Shift Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9 Torque Converter Drive Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10

Removing Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11 Removing Torque Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11

Installing Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12 Disassembling Torque Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13 Disassembly Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13 Suggestions for Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13

Inspecting and Correcting Torque Converter . . . . . . . . . . . . . . . . . . . 7-14 Reassembling Torque Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17 Reassembly Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17 Suggestions for Torque Converter Reassembly . . . . . . . . . . . . . . . . . . . . . . . 7-18

Disassembling Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19 Disassembly Sequence of Control Valve and External Parts . . . . . . . . . . .

Disassembling Transmission Cover and Output, 1st/3rd Clutch, Forward Clutch, Reverse Clutch, and Input Shafts. . . . . . . . . . . . . . . . . . . . .

Suggestions for Transmission Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disassembly Sequence of Stator Shaft and Oil Pump . . . . . . . . . . . . . . . . .

Suggestions for Oil Pump Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disassembly Sequence of Forward Clutch Shaft Assembly . . . . . . . . . . . .

7-19 7-20 7-21 7-23 7-24 7-26

TABLE OF CONTENTS

8.7 8.8 8.9 8.10 8.11

9.

10.

Suggestions for Disassembly of Forward Clutch Shaft Assembly . . . . . . .7-27 Disassembly Sequence of 1st/3rd Speed Clutch Shaft Assembly . . . . . . .7-28 Suggestions for Disassembly of 1st/3rd Clutch Shaft Assembly . . . . . . . .7-28 Disassembly Sequence of Reverser Clutch Shaft Assembly . . . . . . . . . . . .7-29 Suggestions for Disassembly of Reverse Clutch Shaft Assembly . . . . . . .7-29

Inspecting and Correcting Transmission . . . . . . . . . . . . . . . . . . . . . . . .7-30 Reassembling Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-33

10.1 Reassembly Sequence of Forward Clutch Assembly (1st/3rd Clutch Shaft Assembly) (Reverse Clutch Shaft Assembly) . . . . . .7-33 10.2 Suggestions for Reassembly of Forward Clutch Assembly (1st/3rd Clutch Shaft Assembly) (Reverse Clutch Shaft Assembly) . . . . . .7-34 10.3 Reassembly Sequence of Stator Shaft and Oil Pump . . . . . . . . . . . . . . . . . .7-35 10.4 Suggestions for Stator Shaft and Oil Pump Reassembly . . . . . . . . . . . . . . .7-36 10.5 Reassembly Sequence of Input Shaft, Forward Clutch, 1st/3rd Speed Clutch, Reverse Clutch, Output Shafts and Transmission Cover . . . . . . . . . . . . . . . .7-37 10.6 Suggestions for Reassembly of Input Shaft, Forward Clutch, 1st/3rd Speed Clutch, Reverse Clutch, Output Shafts and Transmission Cover . . . . . . . . .7-38 10.7 Reassembly Sequence of Control Valve and External Parts . . . . . . . . . . . . .7-40

11.

Disassembling Control Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-41

11.1 Disassembly Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-41

12.

13.

Inspecting and Correcting Control Valve . . . . . . . . . . . . . . . . . . . . . . . .7-42 Reassembling Control Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-43

13.1 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-43 13.2 Reassembly Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-43 13.3 Suggestions for Control Valve Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-43

14.

Disassembling Main Regulator Valve . . . . . . . . . . . . . . . . . . . . . . . . . . .7-44

14.1 Disassembly Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-44

15.

16.

Inspecting and Correcting of Main Regulator Valve . . . . . . . . . . . . .7-44 Reassembling Main Regulator Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-44

16.1 Suggestions for Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-44

17.

17.1 17.2 17.3 17.4 17.5

18.

19.

Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-45 Adjusting Brake Pedal and Inching Pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-45 Measuring Oil Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-47 Measuring Stall Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-50 10 m (33 ft) Acceleration Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-50 Testing Automatic 3-Speed Transmission Functions . . . . . . . . . . . . . . . . . . .7-51

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-52 Service Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-57

19.1 19.2 19.3 19.4 19.5 19.6 19.7 19.8

Stall Speed and Oil Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-57 Pump Boss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-57 Pilot Boss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-58 Oil Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-58 Stator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-59 Flexible Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-60 Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-61 Input Shaft, Forward, Reverse, and 1st/ 3rd Speed Clutch Shafts, and Servo Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-62 19.9 Backlash of Gears . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-63

TOC-5

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