2002 Hino FA series Truck Service Repair Manual

Page 1

TRUCK

2002 WORKSHOP MANUAL FA.FB ENGINE CHASSIS BODY ELECTRICAL HINO DIESEL TRUCKS (U.S.A.), INC.


FOREWORD This workshop manual has been prepared to provide information covering repairs on 2002 FA and FB series Hino trucks. To use Hino trucks for years, smoothly, safely, and economically without trouble, it is important to perform inspections. Maintenance required to be performed is the responsibility of the owner. Some recommended repairs of your truck are mentioned. When making any repair of your truck, be careful not to be injured through improper procedures. As for maintenance items, refer to the Owner’s and Driver’s Manual. All information and specifications in this manual are based upon the latest product information available at the time of printing. HINO DIESEL TRUCKS (U.S.A.),INC. reserves the right to make changes at any time without prior notice.


1 MENU ■■■■■■■■

GENERAL INTRODUCTION ENGINE

WORKSHOP MANUAL

CLUTCH CLUTCH CONTROL TRANSMISSION TRANSMISSION CONTROL PROPELLER SHAFT REAR AXLE FRONT AXLE STEERING SERVICE BRAKE PARKING BRAKE EXHAUST BRAKE WHEELS & TIRES SUSPENSION CHASSIS FRAME CAB ELECTRICAL EQUIPMENT ALTERNATOR STARTER AIR COMPRESSOR TURBOCHARGER

1 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 51

© 2002 HINO DIESEL TRUCKS (U.S.A.),INC.

POWER STEERING

67

All rights reserved. This manual may not be reproduced or copied in whole or in part, without the written consent of HINO DIESEL TRUCKS (U.S.A.),INC.

AUTOMATIC TRANSMISSION

75 77 78 S W

ANTILOCK BRAKE SYSTEM TOTAL ELECTRONICS SYSTEM SERVICE SPECIFICATIONS WIRING DIAGRAMS


GENERAL PRECAUTIONS 1-1

GENERAL PRECAUTIONS Some recommended and standard maintenance services for your truck are mentioned in this section. When performing maintenance on your truck be careful not to get injured by improper work. Improper or incomplete work can cause a malfunction of the truck which may result in personal injury and/ or property damage. If you have any questions about performing maintenance, please consult your Hino dealer.

WARNING When working on your truck, observe the following general precautions to prevent personal injury and/or property damage in addition to the particular NOTES or WARNINGS. Most threaded fasteners are metric. Be careful not to mix the threaded fasteners of the inch type with HINO metric fasteners. ● Always wear safety glasses or goggles to protect your eyes. ● Remove rings, watches, ties, Ioose hanging jewelry and loose clothing before starting work on the truck. ● Bind long hair securely behind the head. ● When working on the truck, apply the parking brake firmly, place the transmission shift lever in neutral or “N”, and block the wheels. ● Be sure to disconnect the cable from the negative (–) terminal of the battery before servicing. ● Always stop the engine and turn off the starter switch, unless the operation requires the engine running. Removing the key from the switch is recommended. ● To avoid serious burns, keep yourself away from hot metal parts such as the engine, exhaust manifold, radiator, muffler, exhaust pipe and tail pipe. ● Do not smoke while working on the truck since fuel and gases from the battery are flammable. ● Take utmost care when working on the battery. It contains corrosive sulfuric acid. ● Large electric current flows through the battery cable and starter cable. Be careful not to cause a short which can result in personal injury and/or property damage. ● Read carefully and observe the instructions placed on the jack when using it. ● Use safety stands to support the truck whenever you need to work under it. It is dangerous to work under a truck supported only by a jack. ● When the cab is raised, always lock the cab stopper stay with the safety pin. When the cab is lowered, always insert and lock the stopper pin. ● If it is necessary to run the engine after the cab is raised (tilted), make sure that the parking brake is firmly applied, the wheels are blocked, and the transmission shift lever is in “Neutral” before starting the engine. ● Run the engine only in a well-ventilated area to avoid inhaling of carbon monoxide.


GENERAL PRECAUTIONS 1-2 ● Keep yourself, your clothing and your tools away from moving parts such as the cooling fan and V-belts when the engine is running. ● Be careful not to damage lines and hoses by stepping or remain standing (holding your feet) on them. ● Be careful not to leave any tool in the engine compartment. The tool may be hit by moving parts and can cause personal injury.

TOWING When being towed, always place the transmission shift lever in Neutral and release the parking brake completely. In order to protect the bumper, fit a protection bar against the lower edge of the bumper and put a wood block under the frame near the No. 1 crossmember when attaching the towing chain. Never lift or tow the vehicle if the chain is in direct contact with the bumper. 1) Front end towing (with front wheels raised off the ground) When towing from the front end with the front wheels raised off the ground remove the rear axle shafts to protect the transmission and differential gears from being damaged. The hub openings should be covered to prevent the loss of axle lubricant or the entry of dirt or foreign matter. The above-mentioned precautions should be observed for vehicles equipped with either manual or automatic transmission, and even for short distance towing. After being towed, check and refill the rear axle housing with lubricant if necessary. 2)

Rear end towing When being towed with the rear wheels raised off the ground, fasten and secure the steering wheel in a straight-ahead position.


1 page INDEX1 Models FA and FB

GENERAL INTRODUCTION 1-1 1-217E-05

CHAPTER

1

GENERAL INTRODUCTION Models FA and FB

IDENTIFICATION INFORMATION................................................ 1- 2

1


1 page 1 Models FA and FB

1-2 GENERAL INTRODUCTION

IDENTIFICATION INFORMATION 1.

VEHICLE IDENTIFICATION NUMBER VEHICLE IDENTIFICATION NUMBER (VIN) is comprised of 17 digits and letters. The VIN plate, as shown in Fig. 1, is affixed to the left-side door step of the cab. The following is an explanation of the items that are listed on the VIN plate.

JHBFB4JG421S10001 SA-HC5

Fig. 1

1)

VIN See VEHICLE IDENTIFICATION NUMBER (VIN) STRUCTURE on the following page.

2)

P.S.CODE AND VEHICLE COMPONENTS

MODEL SERIES

P.S. CODE

CLUTCH SIZE

FA4J

SA-HC5 SA-JC5

350 MM -

SA-HC5 SA-JC5 SA-SF5 SA-TF5 SA-QF5 SA-RF5 SA-QN5 SA-RN5 SA-PS5 SA-RS5 SA-TS5 SA-US5 SA-VS5

350 MM -

FB4J FD2J FE2J FF2J SG2J

SG1J

350 MM 350 MM 350 MM 380 MM 380 MM 380 MM

TRANSMISSION SERIES LF05S AT542 LF05S AT542 LF06S LCT2400 LJ06S LCT2400 LJ06S LCT2000 LJ06S MD3060P MF06S MD3060P RT8709

TRANSMISSION RATIO 1ST 7.46 3.45 7.46 3.45 6.09 3.51 6.89 3.51 6.89 3.51 6.89 3.49 7.39 3.49 9.16

2ND 4.18 2.25 4.18 2.25 3.85 1.90 4.27 1.90 4.27 1.90 4.27 1.86 4.75 1.86 6.53

3RD 2.42 1.41 2.42 1.41 2.34 1.44 2.60 1.44 2.60 1.49 2.60 1.41 3.07 1.41 4.80

4TH 1.42 1.00 1.42 1.00 1.42 1.00 1.56 1.00 1.56 1.00 1.56 1.00 1.93 1.00 3.57

5TH 1.00 1.00 1.00 0.74 1.00 0.74 1.00 0.74 1.00 0.75 1.34 0.75 2.56

6TH 0.76 0.77 0.77 0.77 1.00 1.83

REAR AXLE SERIES SH13-2 SH13-2 SH13-2 SH13-2 SH14-1 SH14-1 SH14-1 SH14-1 SH16-1 SH16-1 SH16-1 SH16-1 SH16-1 SH16-1 SH16-1

REAR AXLE RATIO 3.36 3.36 3.36 3.36 5.12 4.33

SERVICE BRAKE

5.12 5.85 5.42 5.85 5.42 5.42 4.10 5.42 4.10

A A A A F F F F F

CODE SERVICE BRAKE CONTROL CODE V : VACUUM SERVO A : AIR OVER HYDRAULIC F : FULL AIR

PARKING BRAKE CONTROL CODE C : ACTING ON TRANSMISSION OUTPUT SHAFT W : ACTING ON REAR WHEEL

V V A A A A

PARKING BRAKE C C C C C C C C C C W W W W W


(CLASS 4) (CLASS 5) (CLASS 6) (CLASS 6) (CLASS 7) (CLASS 7)

6,350 kg-7,030kg [14,001-15,500 (lbs.) ]

7,258 kg-8,165kg [16,001-18,000 (lbs.) ]

8,845 kg-10,433kg [19,501-23,000 (lbs.) ]

10,434 kg-11,793kg [23,001-26,000 (lbs.) ]

11,794 kg-13,608kg [26,001-30,000 (lbs.) ]

13,609 kg-14,968kg [30,001-33,000 (lbs.) ]

FORWARD CONTROL TYPE TRUCK

FORWARD CONTROL TYPE TRUCK

FORWARD CONTROL TYPE TRUCK

FORWARD CONTROL TYPE TRUCK

FORWARD CONTROL TYPE TRUCK

FORWARD CONTROL TYPE TRUCK

FB

FD

FE

FF

SG

SERIES GVWR OR OVERALL LENGTH

INCOMPLETE VEHICLE ASSEMBLED BY BURNS PHILP (SOUTH SEA) CO., LTD.

FA

HINO MOTORS, LTD. HINO

JH8

BUS

INCOMPLETE VEHICLE

TRUCK

TYPE

J

(7)

WHEEL BASE

G

(8)

FULL AIR

AIR OVER HYDRAULIC

AIR OVER HYDRAULIC

AIR OVER HYDRAULIC

1J

2J

4J

2008

3,200 3,420

D E

6,220

5,800

MANUFACTURER

S

5,530

5,050 P R

M

4,280 4,600

J K

4,190

HINO MOTORS, LTD.

HINO MOTORS, LTD.

J08C-TR

J08C-TP

J05C-TD

MODEL

3,860 (for FA,FB) H

G

1 0

(15)

1

0

ASSEMBLY PLANT

DESCRIPTION

HINO AUTO BODY, LTD. YOKOHAMA PLANT, JAPAN HINO AUTO BODY, LTD. KANAZAWA PLANT, JAPAN BURNS PHILP (SOUTH SEA) CO., LTD., AMERICAN SAMOA

HINO MOTORS, LTD. HINO PLANT, JAPAN MITSUI SEIKI KOGYO CO., LTD KAWASHIMA PLANT, JAPAN

Z

A NEW LETTER WILL BE ALLOTED AT EVERY MAJOR MODIFICATION

8.0 LITERS, DIESEL 252 HP

8.0 LITERS, DIESEL 200 HP

5.3 LITERS, DIESEL 168 HP

B

4

3

2

1

CODE

S T U

CODE

DESCRIPTION

(17)

(16)

SEQUENTIAL NUMBER

0

(14)

VIS (13)

MODIFICATION

3,780 (for FD,FE)

LENGTH (mm) 2,920

C

CODE

2009

8 9

2007

7

HINO MOTORS, LTD.

2003

3

CODE

2001 2002

Y

2

2006

6

2000

X 1

2004 2005

5

1998 1999

W

YEAR

S

(12)

ASSEMBLY PLANT

1

(11)

CODE

MODEL YEAR

2

(10)

4

YEAR

CODE

CHECK DIGIT

4

(9)

C/D

Models FA and FB

AIR OVER HYDRAULIC

HYDRAULIC

BRAKE SYSTEMS

ENGINE MODEL

4

(6)

VDS

LINE & CAB/BODY TYPE

HINO MOTORS, LTD. HINO

JHC

B

(5)

CODE

HINO MOTORS, LTD. HINO

JHB

MAKE

HINO MOTORS, LTD. HINO

MANUFACTURER

F

(4)

LINE & CAB/BODY TYPE, SERIES, BRAKE SYSTEM

B

(3)

...

JHA

CODE

H

J

MANUFACTURER MAKE,MODEL

(2)

WMI

(1)

VEHICLE IDENTIFICATION NUMBER (VIN) STRUCTURE

1 page 1 GENERAL INTRODUCTION 1-3


1 page 1 Models FA and FB

1-4 GENERAL INTRODUCTION

2.

VEHICLE CERTIFICATION LABEL The Vehicle Certification Label, as shown in Fig. 2, is affixed to the left hand side door of the cab. The name of manufacturer, production year and month, and verification of items which are in conformity with Federal Motor Vehicle Safety Standards are displayed.

3.

ENGINE NUMBER The Engine Number, as shown in Fig. 3 is on the right side of the engine block.

4.

CHASSIS NUMBER The Chassis Number is displayed on the left siderail of the frame near the front axle, as shown in Fig. 4.

– EXAMPLE –

Fig. 2

SM1-060

ENGINE MODEL: J-SERIES ENGINE NUMBER

Fig. 3

SM1-J014

CHASSIS NUMBER

Fig. 4


1 INDEX Model J05C-TD

ENGINE 3-1-1 3-229E-04

3

CHAPTER

3

ENGINE Model: J05C-TD TROUBLESHOOTING ............................................................... 3- 1-3 SPECIAL TOOLS ...................................................................... 3- 2-1 ENGINE OVERHAUL CRITERIA .............................................. 3- 3-1 DISMOUNTING THE ENGINE ASSEMBLY .............................. 3- 4-1 REMOVAL OF THE ENGINE COMPONENT PARTS ............... 3- 5-1 CAMSHAFT HOUSING AND CYLINDER HEAD ...................... 3- 6-1 CRANKSHAFT FRONT END, OIL PAN, FLYWHEEL AND FLYWHEEL HOUSING .............................................................. 3- 7-1 TIMING GEAR ........................................................................... 3- 8-1 PISTON, CRANKSHAFT AND CYLINDER BLOCK ................. 3- 9-1 LUBRICATING SYSTEM ........................................................... 3- 10-1 COOLING SYSTEM ................................................................... 3- 11-1 FUEL SYSTEM .......................................................................... 3- 12-1 AIR INTAKE AND EXHAUST SYSTEM .................................... 3- 13-1 ENGINE CONTROL SYSTEM ................................................... 3- 14-1 ELECTRICAL PARTS................................................................ 3- 15-1 INJECTION PUMP SHAFT ASSEMBLY(FA), AIR COMPRESSOR(FB) AND POWER STEERING PUMP ............ 3- 16-1 INSTALLATION OF THE ENGINE COMPONENT PARTS ....... 3- 17-1 ENGINE TUNE-UP .................................................................... 3- 18-1 MOUNTING THE ENGINE ASSEMBLY .................................... 3- 19-1 LIQUID GASKET AND APPLICATION POINTS ....................... 3- 20-1


1 page 1 Model J05C-TD

ENGINE 3-3-1

GENERAL WARNING The following items should be observed to prevent injury to yourself and others when servicing the engine or vehicle; ● Stop the engine and keep the engine off during checks and adjustments. ● Place the starter key in the “LOCK” position. ● Leave the engine stop knob pulled out fully. (For model equipped with manual engine stop control) ● Place the transmission shift lever in “NEUTRAL”. ● Apply the parking brake firmly. ● Block the wheels.

ENGINE OVERHAUL CRITERIA FACTORS TO DETERMINE THE ENGINE OVERHAUL 1.

LOW COMPRESSION PRESSURE (1) Before measurement 1. Charge the battery completely. 2. Set the valve clearance to the correct value. Intake : 0.30 mm (0.0118 in.) Exhaust : 0.45 mm (0.0177 in.) (when engine is cold) NOTE: Refer to page 3-18-2. 3. Idle the engine (to 80 °C {176°F}). 4. While the starter switch is at the LOCK position, disconnect the engine stop motor. 5. Remove all nozzle holders. NOTE: Refer to page 3-6-3. 6. Remove the air cleaner hose. SM3-J580 Fig. 1


1 page 1 Model J05C-TD

3-3-2 ENGINE

SM3-J581 Fig. 2

(2) Measurement 1. Insert the gauge adaptor into the nozzle holder hole. Special tool: Compression gauge adaptor (09552 - 1090) (09552 - 1060) (09552 - 1030) 2. Run the engine with the starter and measure the compression pressure. NOTE: Do not operate the starter for more than 15 seconds. 3. Measure the compression pressure of each cylinder. NOTE: Do not allow gas leakage from the seal face. Unit: kg/cm2 (lb/sq.in.)

Assembly standard

Assembly limit

35 - 38 (498 - 540)

28 (398)

Difference among

Engine speed

individual cylinders

(rpm)

Less than 3 (43)

180 - 220

(3) After measurement 1. Install the removed parts.

SM3-J580 Fig. 3

WARNING Do not connect the electric harness with the engine stop motor while the engine starter key is at ON position as this may operate the engine stop motor instantaneously and the link lever of the engine stop motor and the engine stop lever of the fuel injection pump will move, resulting in your fingers caught by the lever.


1 page 1 Model J05C-TD 2.

OIL SM3-J024 Fig. 4 ATMOSPHERIC TEMPERATURE S.A.E.

-10

0

32

50

70

90 100

˚F

0

10

21

32 39

˚C

GRADE -23 -18

DECREASED OIL PRESSURE Check the oil pressure warning lamp when the oil and coolant temperature is hot (about 80 °C {176 °F}) a. If the warning lamp is lit, check the oil level. b. Check oil deterioration. If oil quality is poor, replace with a suitable grade oil. c. Remove the oil pressure switch and install the oil pressure gauge. d. Measure the oil pressure at oil temperature 103°C (217°F). Standard oil pressure: At 2,500 (rpm) 5.6 kg/cm2 (79.63 lb/sq.in.) Service limit: At idle speed 0.5 kg/cm2 (7.11 lb/sq.in.)

40 30 20W/20 15W/40 10W/30

Fig. 5

ENGINE 3-3-3

3.

OTHER FACTORS a. Blow-by gas increases. b. Engine does not start easily. c. Engine output decreases. d. Fuel consumption increases. e. Engine makes greater noise. f. Excessive oil consumption.


1 page 1 Model J05C-TD

ENGINE 3-4-1

DISMOUNTING THE ENGINE ASSEMBLY 1.

BLOCK THE WHEELS OF THE VEHICLE. 1. Park the vehicle on level ground. 2. Block the wheels.

2.

DISCONNECT THE ENGINE CONTROL AND THE STOP CABLE. 1. Set the starter switch to the ON position. 2. Disconnect the wires of the engine stop motor at the connector. 3. Set the starter switch to the LOCK position.

SM3-J500 Fig. 1

SM3-J580 Fig. 2

4. 5.

Tilt up the cab. Disconnect the engine control and the stop cable at the injection pump.

SM3-J582 Fig. 3

3.

DISCONNECT THE NEGATIVE TERMINAL OF THE BATTERY. WARNING Always disconnect the battery cable when servicing the engine.

SM3-J583 Fig. 4

4.

SM3-J584 Fig. 5

DISCONNECT THE PARKING BRAKE CABLE (1). 1. Remove the center console. 2. Disconnect the parking brake cable at the lever.


1 page 1 3-4-2 ENGINE

Model J05C-TD

OVER-TILTING POSITION

NORMAL POSITION

5. OVER-TILT THE CAB NOTE: Refer to CAB in CHAPTER 19.

SM3-J585 Fig. 6

6.

OPEN

DRAIN THE COOLANT AND ENGINE OIL. WARNING To avoid the danger of burns, do not drain the engine oil and coolant while the engine and radiator are still hot.

CLOSE DRAINING PLUG

DRAINING PLUG SM3-J586 Fig. 7

Fig.8

1. Drain the coolant from the radiator. (Fig. 7) NOTE: The coolant can be drained more easily by removing the filler cap. 2. Drain the coolant from the cylinder block. (Fig. 8) Coolant capacity: 15 L (15.85 US qt) 17 L (17.96 US qt) (with transmission oil cooler only)

DRAINING PLUG

3. Drain the engine oil through the drain plug. Engine oil capacity: 10.0 L (10.57 US qt)

SM3-J791 Fig.9

7.

DISCONNECT THE POWER STEERING LINES AT THE GEAR UNIT. NOTE: Place a container under the gear unit.

SM3-J587 Fig. 10

8.

DISCONNECT THE PARKING BRAKE CABLE (2) 1. Remove the bracket behind the cab, then pull out the parking brake cable. NOTE: Pull out the cable straight and slowly. If pulled out forcefully, the gasket will crack. Cracked cables must be replaced with new ones.

SM3-J589 Fig. 11


1 page 1 Model J05C-TD 9.

ENGINE 3-4-3

DISCONNECT THE SPEEDOMETER CABLE AT THE TRANSMISSION.

SM3-J590 Fig. 12

10. REMOVE THE TRANSMISSION CONTROL CABLE TOGETHER WITH THE BRACKET AT THE TRANSMISSION.

SM3-J591 Fig. 13

11. DISCONNECT THE VACUUM PUMP LINES.

SM3-J592A Fig. 14

12. REMOVE THE CLUTCH SLAVE CYLINDER. 1. Remove the connecting clip of the clutch hose. 2. Remove the return spring and the clevis of the lever. 3. Remove the slave cylinder together with the lines.

SM3-J593 Fig. 15

13. DISCONNECT THE POWER STEERING LINES AT THE PUMP. NOTE: Be careful of oil leakage from the removed lines at the gear unit.

SM3-J594 Fig. 16


1 page 1 3-4-4 ENGINE

Model J05C-TD 14. DISCONNECT THE AIR HOSES WHICH CONNECT THE AIR CLEANER AND ENGINE. 15. REMOVE THE SPLASH BOARD. 16. REMOVE THE AIR CLEANER TOGETHER WITH THE BRACKET.

SM3-J595 Fig. 17

17. DISCONNECT THE ELECTRICAL WIRES (1). 1. Engine speed sensor 2. Glow plug 3. Rack sensor, pre-stroke actuator 4. Starter terminals B and C and grounding (frame end)

SM3-J596 Fig. 18

18. REMOVE THE REAR CAB MOUNTING BRACKET.

SM3-J597 Fig. 19

19. DISCONNECT THE ELECTRICAL WIRES (2). 1. Water temperature sensor (2 parts) 2. Alternator 3. Magnetic clutch of the air conditioner 20. DISCONNECT THE HEATER HOSES.

SM3-J598 Fig. 20

21. DISCONNECT THE GAS LINES OF THE AIR CONDITIONER. 1. Use the refrigerant collector to discharge refrigerant. 2. Disconnect the gas lines of the air conditioner at the compressor.

SM3-J599 Fig. 21


1 page 1 Model J05C-TD

ENGINE 3-4-5

22. DISCONNECT THE RADIATOR FROM THE FRAME. 1. Disconnect the reservoir hose. 2. Remove the radiator mounting.

SM3-J600A Fig. 22

23. REMOVE THE EXHAUST PIPE AND MUFFLER.

SM3-J601B Fig. 23

24. REMOVE THE PROPELLER SHAFT. 1. Remove the center bearing support. NOTE: Attach a hoist to the propeller shaft. 2. Loosen the flange, then remove the propeller shaft.

SM3-J602 Fig. 24

25. REMOVE THE TRANSMISSION. 1. Place a jack under the bottom of the flywheel housing. 2. Place a transmission jack under the transmission.

SM3-J502

WARNING The engine must be suspended with a hoist until completion of disassembly of the transmission assembly.

Fig. 25

3.

Remove the mounting bolt of the mounting rubber behind the transmission. 4. Remove the mounting bolt of the transmission at the clutch housing, then remove the transmission. NOTE: Jack up and align the transmission with the engine, then pull the transmission straight out.


1 page 1 3-4-6 ENGINE

Model J05C-TD 26. REMOVE THE ENGINE ASSEMBLY. 1. Attach hoists to the engine hangers at the front and rear ends of the engine, and lift slightly. 2. Remove the engine mounting at the frame. 3. Remove the engine assembly together with the radiator and inter cooler. 4. Mount the engine assembly on a work stand. SM3-J503

Fig. 26

27. REMOVE THE RADIATOR AND INTER COOLER. 1. Loosen the tightening band of the fan shroud. 2. Disconnect the radiator hoses and inter cooler hoses at the engine. 3. Remove the radiator and inter cooler. NOTE: Attach a hoist to the radiator.

SM3-J604 Fig. 27

28. REMOVE THE CLUTCH COVER AND CLUTCH DISC. NOTE: Refer to CLUTCH in CHAPTER 5.

SM3-J746 Fig. 28

29. REMOVE THE AIR CONDITIONER COMPRESSOR. 1. Loosen the tension pulley, then remove the V-belt. 2. Remove the air conditioner compressor.


1 page 1 Model J05C-TD

ENGINE 3-5-1

REMOVAL OF THE ENGINE COMPONENT PARTS 1.

PREPARATION 1. Loosen the coolant drain cock of the oil cooler, then discharge coolant. 2. Loosen the oil drain plug of the oil filter, then discharge oil.

SM3-J606 Fig. 1

3. a. b. NOTE:

Clean the engine assembly. Cover openings with tape. Clean the engine assembly with a steam cleaner. Do not apply steam directly to the electrical components. (Alternator, starter, etc.) 4. Mount the engine assembly on a work stand.

SM3-J504 Fig. 2

2. REMOVE THE POWER STEERING OIL PUMP.

SM3-J607A Fig. 3

3.

REMOVE THE STARTER. 1. Put alignment marks on the harness and the starter terminal, then remove the harness. 2. Remove the starter from the engine.

SM3-J608 Fig. 4

4.

REMOVE THE FUEL FILTER AND FUEL LINES. Remove the fuel lines, oil lines and fuel leakage lines. NOTE: ● Cover openings to prevent foreign matter from entering. ● Refer to page 3-12-1.

SM3-J609 Fig. 5


1 page 1 Model J05C-TD

3-5-2 ENGINE 5.

REMOVE THE INTAKE MANIFOLD

6.

REMOVE THE INJECTION PUMP 1. Remove the through bolt of the coupling.

SM3-J613 Fig. 6

SM3-J613 Fig. 7

2.

Use the following special tool and loosen the adjusting bolt. Special tool: Injection pump coupling wrench (09511 - 2500)

FA4J

FB4J SM3-J610B

SM3-J611C

Fig. 8

3.

Remove the mounting bolt of the injection pump, then remove the pump assembly. NOTE: Cover openings to prevent foreign matter from entering.

SM3-J612 Fig. 9

SM3-J614B Fig. 10

7.

REMOVE THE INJECTION PUMP SHAFT ASSEMBLY. (For model FA4J) 1. Remove the oil lines, refrigerant lines and air lines. 2. Remove the mounting bolt of the injection pump shaft assembly then remove the injection pump shaft assembly. NOTE: Do not remove the injection pump shaft assembly forcefully. The spigot may be damaged, or oil leakage may occur due to removal of liquid gasket between the flywheel housing and the rear end plate.


1 page 1 Model J05C-TD

ENGINE 3-5-3

8.

SM3-J614 Fig. 11

REMOVE THE AIR COMPRESSOR. (For model FB4J) 1. Remove the oil lines, refrigerant lines and air lines. 2. Remove the air compressor. 3. Remove the mounting bolt of the air compressor, then remove the air compressor. NOTE: Do not remove the air compressor forcefully. The spigot may be damaged, or oil leakage may occur due to removal of liquid gasket between the flywheel housing and the rear end plate.

9. REMOVE THE TURBOCHARGER. NOTE: Refer to TURBOCHARGER in CHAPTER 51.

SM3-J615 Fig. 12

10. REMOVE THE OIL FILTER AND OIL COOLER. 1. Remove the oil lines. 2. Remove the oil filter. Special tool: Oil filter wrench (09553 - 1021) 3. Remove the oil cooler.

SM3-J616 Fig. 13

11. REMOVE THE EXHAUST MANIFOLD.

ASM3-J617 Fig. 14


1 page 1 Model J05C-TD

3-5-4 ENGINE

12. REMOVE THE FAN SHROUD TOGETHER WITH THE BRACKET.

SM3-J618 Fig. 15

13. REMOVE THE V-BELT AND THE ALTERNATOR. 1. Loosen the V-belt adjustment bolt. 2. Loosen the through bolt. 3. Remove the V-belt, then remove the alternator.

SM3-J619 Fig. 16

14. REMOVE THE FAN CLUTCH TOGETHER WITH THE COOLING FAN.

SM3-J620 Fig. 17

15. REMOVE THE THERMOSTAT CASE.

SM3-J621 Fig. 18

16. REMOVE THE COOLANT PUMP.

SM3-J622 Fig. 19


1 page 1 Model J05C-TD

ENGINE 3-6-1

CAMSHAFT HOUSING AND CYLINDER HEAD

1 2 7

3

11 4 8 5

10

9 6

15

13

14

12

16

28 17

29 21 22 23 24 25 26 27

30 31 18 20

32 33

18

19 SM3-J046

Fig. 1


1 page 1 3-6-2 ENGINE

Model J05C-TD

35

34

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.

Oil filler cap Cylinder head cover Silent block Spacer Head cover gasket Valve rocker shaft Lock nut Valve rocker arm Adjusting screw Nozzle clamp Valve rocker support Camshaft bearing Camshaft bearing cap Camshaft Camshaft drive gear Camshaft housing Camshaft housing gasket Idler gear thrust plate Camshaft idler gear

20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35.

Idler gear shaft Cross head Valve spring retainer Valve spring seat upper Valve spring outer Valve spring inner Valve stem seal Valve spring seat lower Cross head adjusting screw Lock nut Cylinder head Cylinder head gasket Valve seat Valve Valve stem guide Nozzle seat

SM3-J047 Fig. 2


1 page 1 Model J05C-TD

ENGINE 3-6-3

DISMOUNTING 1. REMOVE THE CYLINDER HEAD COVER. NOTE: Clean all dust from around the cylinder head cover before removing it to prevent foreign particles from getting in.

SM3-J623 Fig. 3

2. NOZZLE CLAMP BOLT LEAKAGE PIPE

REMOVE THE INJECTION NOZZLE. 1. Remove the leakage pipe. 2. Loosen the injection pipe nut. 3. Remove the injection pipe seal mounting bolts. Remove the injection pipe seal together with the injection pipe out of the cam housing. 4. Remove the nozzle clamp bolt.

CAM HOUSING O-RING NOZZLE HOLDER ASSEMBLY

SM3-J178 Fig. 4

5.

Pull out the nozzle holder assembly, avoiding any interference. NOTE: If difficult, use a special tool, sliding hammer (09420 - 1442), for easier removal. 6. Remove the O-ring. NOTE: Replace the O-ring with a new one.

SM3-J624 Fig. 5


1 page 1 3-6-4 ENGINE

Model J05C-TD 3. LOCK NUT

ADJUSTING SCREW SM3-J056

LOOSEN THE VALVE CLEARANCE ADJUSTING SCREW. 1. Loosen the lock nut at the top of the rocker arm, then wind up the adjusting screw completely. NOTE: If the adjusting screw is left unwound, the rocker shaft may bend when the rocker arm support is loosened.

Fig. 6

4. ROCKER ARM SUPPORT

5

3

1

2

4

REMOVE THE ROCKER ARM ASSEMBLY. 1. Remove the rocker arm support bolt in the order as shown in the figure. NOTE: When the rocker arm assembly is removed, the rocker arm and rocker arm support tend to come off the rocker shaft. Be careful in handling.

SM3-J057 Fig. 7

5.

REMOVE THE CAMSHAFT. 1. Remove the cam bearing cap bolt. 2. Remove the camshaft together with the gear. NOTE: Be extremely careful not to drop any part into the interior of the engine.

SM3-J625 Fig. 8

6.

REMOVE THE CAM HOUSING. 1. Remove the cam housing bolts. 2. Tap and remove the cam housing with a plastic hammer.

SM3-J626 Fig. 9

7.

SM3-J058B Fig. 10

REMOVE THE CYLINDER HEAD BOLTS. Remove the cylinder head bolts in the order as shown in the figure.


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1 page 1 Model J05C-TD 8.

SM3-J627A Fig. 11

ENGINE 3-6-5

LIFT AND REMOVE THE CYLINDER HEAD FROM THE CYLINDER BLOCK. Special tool: Eye bolt (09433 - 1070) NOTE: ● Place a piece of wood between the cylinder head and table. ● When removing the cylinder head together with the injection nozzle, avoid contact between the injection nozzle and a piece of wood. ● Check that there is no oil, water or gas leakage in the cylinder head gasket if overheated or not.


1 page 1 3-6-6 ENGINE

Model J05C-TD

DISASSEMBLING REMOVE THE CAM IDLER GEAR. 1. Remove the cam idler gear.

SM3-J628 Fig. 12

2. Using the special tool, remove the cam idler gear. Special tool: Sliding hammer (09420 - 1830)

SM3-J629 Fig. 13

DISASSEMBLE THE VALVE SYSTEM. 1. Using the special tool, press fit the valve spring seat upper, then remove the valve spring retainer. Special tool: Valve spring press (09470 - 1170)

SM3-J060 Fig. 14

2. 3.

IN

EX 1

2

3

4 SM3-J061

Fig. 15

Remove the valve spring seat upper, valve spring outer and inner. Remove the intake and exhaust valves from the cylinder head.

NOTE: ● Do not remove the valve guide and valve spring seat lower unless they need to be replaced. ● Align the removed parts in the order of the cylinder No.


1 page 1 Model J05C-TD

ENGINE 3-6-7

INSPECTION AND REPAIR CYLINDER HEAD NOTE: ● Clean the cylinder head thoroughly with a commercial cleaning agent before inspection. ● Do not damage the lower surface of the cylinder head.

SM3-J062 Fig. 16

INSPECT THE CYLINDER HEAD FOR CRACKS. Check the head surface and intake and exhaust valve seats, for cracks, using a dye penetrant. If cracks are found, replace the cylinder head.

SM3-J103 Fig. 17

SM3-J630A

CHECK THE CYLINDER HEAD FLATNESS. 1. Check the cylinder head surface for flatness with a straight edge and a thickness gauge. If the measurements exceed specified limits, replace the cylinder head. Standard: 0.06 mm (0.0024 in.) or less for longitudinal direction 0.03 mm (0.0012 in.) or less for lateral direction Repair limit: 0.20 mm (0.0079 in.)

Fig. 18

B C

D A

E’

E

F’

F

G’

G

A’ C’

D’ B’

SM3-J505 Fig. 19

2.

Check the flatness of the intake and exhaust manifolds mounting surfaces. Standard: 0.06 mm (0.0024 in.) or less for longitudinal direction 0.03 mm (0.0012 in.) or less for lateral direction Repair limit: 0.20 mm (0.0079 in.)

ASM3-J506 Fig. 20


1 page 1 3-6-8 ENGINE

Model J05C-TD INSPECT THE VALVE CONTACT SURFACES FOR PROPER CONTACT. 1. Visually check valves for damage, burn marks, carbon accumulation, warpage, or cracks in valve heads, valve stems, and valve stem grooves. Replace valves which are excessively worn, burnt, warped or cracked. SM3-J631

Fig. 21

2.

Check the valve seating condition. Lightly apply red lead marking compound to the valve face. Install the valve with a special tool, tap and rotate the valve against the seat. Check the valve face and valve seat for seating. When the red lead mark is not concentric or even all around the valve face or seat, correct the valve face or the valve seat. Special tool: Valve lapping tool (09431 - 1020) SM3-J104 Fig. 22

SM3-J632A Fig. 23

HAND-LAP THE VALVE AND VALVE SEAT. Lightly apply lapping compound to the valve face. Install the valve with a special tool, tap and rotate the valve against the seat. NOTE: ● Following completion of hand-lapping, clean off any lapping compound which has adhered to the valves and valve seats. ● Following hand-lapping, always recheck the seating condition. Special tool: Valve lapping tool (09431 - 1020)

GRIND VALVES NOTE: ● Grinding of valves should only be performed when hand-lapping does not result in proper seating. ● Following hand-lapping, always recheck the seating condition.

SM3-J507A Fig. 24

SM3-J507

WARNING When grinding, a metal tip may fly off on impact. Wear safety glasses to protect your eyes.


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