2007 ISUZU KB P190 Workshop Repair Manual

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Page 57 of 6020

ISUZU KB P190 2007 Workshop Repair Manual HEATER AND AIR CONDITIONING 1-23
SPECIAL PARTS FIXING NUTS AND BOLTS
FIXING TORQUE
(COMPRESSOR ASSEMBLY) N⋅
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m (kgf ⋅
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m/lb ⋅
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in)

RTW 510MF0

Page 58 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 1-24 HEATER AND AIR CONDITIONING

(4JA1-T RHD MODEL) N⋅
⋅⋅
⋅
m (kgf ⋅
⋅⋅
⋅
m/lb ⋅
⋅⋅
⋅
in)

RTW 710LF003301

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Page 59 of 6020

ISUZU KB P190 2007 Workshop Repair Manual HEATER AND AIR CONDITIONING 1-25

(4JJ1-TC Standard Output, 4JJ1-TC High Output, 4JK1-TC High Output RHD MODEL) N⋅
⋅⋅
⋅
m (kgf ⋅
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⋅
m/lb ⋅
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in)

RTW 710LF0

Page 60 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 1-26 HEATER AND AIR CONDITIONING

(C24SE RHD MODEL) N⋅
⋅⋅
⋅
m (kgf ⋅
⋅⋅
⋅
m/lb ⋅
⋅⋅
⋅
in)

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Page 61 of 6020

ISUZU KB P190 2007 Workshop Repair Manual HEATER AND AIR CONDITIONING 1-27

(4JA1-T, 4JH1-TC LHD MODEL) N⋅
⋅⋅
⋅
m (kgf ⋅
⋅⋅
⋅
m/lb ⋅
⋅⋅
⋅
in)

RTW 710LF003601

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IS

Page 62 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 1-28 HEATER AND AIR CONDITIONING

(4JJ1-TC Standard Output, 4JJ1-TC High Output, 4JK1-TC High Output LHD MODEL) N⋅
⋅⋅
⋅
m (kgf ⋅
⋅⋅
⋅
m/lb ⋅
⋅⋅
⋅
in)

RTW 710LF00

Page 63 of 6020

ISUZU KB P190 2007 Workshop Repair Manual HEATER AND AIR CONDITIONING 1-29

(C24SE LHD MODEL) N⋅
⋅⋅
⋅
m (kgf ⋅
⋅⋅
⋅
m/lb ⋅
⋅⋅
⋅
in)

RTW 710LF003801

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ISUZU KB P19

Page 64 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 1-30 HEATER AND AIR CONDITIONING
ON-VEHICLE SERVICE
PRECAUTIONS FOR REPLACEMENT OR
REPAIR OF AIR CONDITIONING PARTS
There are certain procedures, practices and precautions that
should be fol

1-30 HEATER AND AIR CONDITIONING
ON-VEHICLE SERVICE
PRECAUTIONS FOR REPLACEMENT OR
REPAIR OF AIR CONDITIONING PARTS
There are certain procedures, practices and precautions that
should be followed when servicing air conditioning systems:
• Keep your work area clean.
• Always wear safety goggle and protective gloves when
working on refrigerant systems.
• Beware of the danger of carbon monoxide fumes caused by
running the engine.
• Beware of discharged refrigerant in enclosed or improperly
ventilated garages.
•
Always disconnect the negative battery cable and discharge
and recover the refrigerant whenever repairing the air
conditioning system.
• W hen discharging and recovering the refrigerant, do not
allow refrigerant to discharge too fast; it will draw
compressor oil out of the system.
• Keep moisture and contaminants out of the system. W hen
disconnecting or removing any lines or parts, use plugs or
caps to close the fittings immediately.
Never remove the caps or plugs until the lines or parts are reconnected or installed.
• W hen disconnecting or reconnecting the lines, use two
wrenches to support the line fitting, to prevent from twisting
or other damage.
• Always install new O-rings whenever a connection is
disassembled.
• Before connecting any hoses or lines, apply new specified
compressor oil to the O-rings.
• W hen removing and replacing any parts which require
discharging the refrigerant circuit, the operations described
in this section must be performed in the following sequence:

1) Using the ACR
4 (HFC-134a Refrigerant Recovery/
Recycling/Recharging/System) or equivalent to
thoroughly discharge and recover the refrigerant.
ACR
4 (115V 60Hz) : 5-8840-0629-0 (J-39500-A)
ACR4 (220-240V 50/60Hz)
: 5-8840-0630-0 (J-39500-220A)
ACR
4 (220-240V 50/60Hz Australian model)
: 5-8840-0631-0 (J-39500-220ANZ)
2) Remove and replace the defective part.
3)
After evacuation, charge the air conditioning system and
check for leaks.

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