Page 89 of 6020
HEATER AND AIR CONDITIONING 1-55
DISASSEMBLY
This illustration is based on the 4J engine model
RTW 510MF000301
Disassembly Steps
1. Drive plate bolt
2. Plain washer
3. Drive plate
4. Snap ring
5. Pulley assembly
6. Snap ring
7. Field coil
8. Compressor
Important Operations - Disassembly
RTW 510SH000701
1. Drive Plate Bolt
Using drive plate holder to prevent the drive plate from rotating, then remove the bolt.
Drive Plate Holder: 5-8840-4056-0 (J-37872)
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ISUZU KB P190 2007
Page 90 of 6020
1-56 HEATER AND AIR CONDITIONING
3. Drive Plate
Remove the drive plate.
If the frictional surface shows signs of damage due to excessive heat, the drive plate and pulley should be
replaced.
RTW 510SH000801
5. Pulley Assembly
Using pulley puller pilot and pulley puller to remove the pulley assembly.
Pulley Puller Pilot: 5-8840-0121-0 (J-33943)
Pulley Puller: 5-8840-0111-0 (J-8433)
Check the appearance of the pulley assembly. If the frictional surface of the pulley shows signs of excessive
grooving due to slippage, both the pulley and drive plate
should be replaced. The frictional surfaces of the pulley
assembly should be cleaned with a suitable solvent before
reinstallation.
RTW 510SH000901
6. Snap ring
Using snap ring pliers to remove the snap ring.
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Page 91 of 6020
HEATER AND AIR CONDITIONING 1-57
REASSEMBLY
This illustration is based on the 4J engine model
RTW 510MF000401
Reassembly Steps
1. Compressor
2. Field coil
3. Snap ring
4. Pulley assembly
2. Snap ring
3. Drive plate
7. Plain washer
8. Drive prate bolt
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Page 92 of 6020
1-58 HEATER AND AIR CONDITIONING
Important Operations - Reassembly
RTW 510SH001001
2. Field Coil
Installation field coil. • Align the located portion (1) of the clutch coil and
compressor.
RTW 510SH001101
4. Pulley Assembly
Using pulley installer and drive handle to install the pulley assembly.
Pulley Installer: 5-8840-0118-0 (J-33940)
Drive Handle: 5-8840-0007-0 (J-8092)
RTW 510SH000701
8. Drive Plate Bolt
Using drive plate holder to prevent the drive plate from rotating.
Drive Plate Holder: 5-8840-4056-0 (J-37872) Tighten the bolt to the specified torque. N⋅m (kgf ⋅m/Ib ⋅in)
Torque 13 (1.3/113)
After tightening the bolt, check to be sure the pulley rotates
smoothly.
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Page 93 of 6020
HEATER AND AIR CONDITIONING 1-59
HEATER UNIT
REMOVAL AND INSTALLATION
This illustration is based on RHD model
RTW 710LF001601
Removal Steps
1. Control cable
2. Instrument panel assembly and cross
beam
3. Electronic thermostat connector
4. Evaporator or duct
5. Heater unit
Installation steps
5. Heater unit
4. Evaporator or duct
3. Electronic thermostat connector
2. Instrument panel assembly and cross beam
1. Control cable
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Page 94 of 6020
1-60 HEATER AND AIR CONDITIONING
Important Operations – Removal
2. Instrument Panel Assembly and Cross Beam.
Refer to SECTION 10 “INSTRUMENT PANEL”.
4. Evaporator or Duct
Refer to “EVAPORATOR” or “DUCT” in this section.
Important Operation - Installation
2. Instrument Panel Assembly and Cross Beam
Adjust the heater control cables.
Refer to "CONTROL LEVER ASSEMBLY" in this section.
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Page 95 of 6020

HEATER AND AIR CONDITIONING 1-61
DISASSEMBLY AND REASSEMBLY
This illustration is based on RHD model
RTW 310LF001401
Disassembly Steps
1. Attaching screw
2. Main link-side
3. Sub link-side
4. Mode rod
5. Holder rod
6. Mode lever
7. DEF/FOOT-spring
8. VENT-spring
9. Heater box clip
10. Attaching screws
11. Foot duct
12. FOD H/Pipes seal
13. Heater core clamp
14. Heater core
15. Mix lever (2)
16. Mix lever (1)
17. Control cable clamp
18. Attaching screws
19. Upper case
20. Lower case
21. DEF/FOOT door
22. VENT door
23. Mix door
24. Control cable clamp
Reassembly Steps
24. Control cable clamp
23. Mix door
22. VENT door
21. DEF/FOOT door
20. Lower case
19. Upper case
18. Attaching screws
17. Control cable clamp
16. Mix lever (1)
15. Mix lever (2)
14. Heater core
13. Heater core clamp
12. FOD H/Pipes seal
11. Foot duct
10. Attaching screws
9. Heater box clip
8. VENT-spring
7. DEF/FOOT-spring
6. Mode lever
5. Holder rod
4. Mode rod
3. Sub link-side
2. Main link-side
1. Attaching screw
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Page 96 of 6020
1-62 HEATER AND AIR CONDITIONING
VENT UNIT (WITHOUT HEATER)
REMOVAL AND INSTALLATION
This illustration is based on RHD model
RTW 710LF002801
Removal Steps
1. Control cable
2. Instrument panel assembly and cross
beam
3. Electronic thermostat connector
4. Evaporator or duct
5. Vent unit
Installation steps
5. Vent unit
4. Evaporator or duct
3. Electronic thermostat connector
2. Instrument panel assembly and cross beam
1. Control cable
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ISUZU KB P190 2007