Isuzu KB P190. Manual — part 9

1-2 HEATER AND AIR CONDITIONING

PAGE

Evaporator (With A/C) . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 65

Removal and Installation. . . . . . . . . . . . . . . . . . . . . . . 1- 65

Disassembly and Reassembly. . . . . . . . . . . . . . . . . . . . ... 1- 66

Duct (Without A/C). . . . . . . . . . . . . . . . . . . . . . . . . . ... 1- 68

Removal and Installation. . . . . . . . . . . . . . . . . . . . . . . 1- 68

Disassembly and Reassembly. . . . . . . . . . . . . . . . . . . . ... 1- 69

Blower Unit Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . 1- 70

Removal and Installation. . . . . . . . . . . . . . . . . . . . . . . 1- 70

Disassembly and Reassembly. . . . . . . . . . . . . . . . . . . . ... 1- 72

Defroster Nozzle and Vent Duct . . . . . . . . . . . . . . . . . . . . . . 1- 73

Removal and Installation. . . . . . . . . . . . . . . . . . . . . . . 1- 73

Rear Heater Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 74

Removal and Installation. . . . . . . . . . . . . . . . . . . . . . . 1- 74

Control Lever Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 1- 75

Removal and Installation. . . . . . . . . . . . . . . . . . . . . . . 1- 75

Control Panel Illumination Bulb . . . . . . . . . . . . . . . . . . . . . . 1- 79

Removal and Installation. . . . . . . . . . . . . . . . . . . . . . . 1- 79

Inspection and Repair . . . . . . . . . . . . . . . . . . . . . . . . 1- 81

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1- 85

Special Service Tool. . . . . . . . . . . . . . . . . . . . . . . . . . 1-119

HEATER AND AIR CONDITIONING 1-3

GENERAL DESCRIPTION

COOLING SYSTEM

1.

Compressor

8.

Evaporator core

2.

Magnetic clutch

9.

Blower motor

3.

Receiver/Drier

10.

Heater unit

4.

Triple pressure switch

11.

Mode (DEF/FOOT) control door

5.

Condenser

12.

Mode (VENT) control door

6.

Evaporator assembly

13.

Electronic thermostat

7.

Expansion valve

14.

Heater core

RTW610LF000101

1-4 HEATER AND AIR CONDITIONING

COMPONENTS (CHASSIS SIDE)

(4JA1-T RHD MODEL)

RTW710LF001901

HEATER AND AIR CONDITIONING 1-5

(4JJ1-TC Standard Output, 4JJ1-TC High Output, 4JK1-TC High Output RHD MODEL)

RTW710LF002001