air conditioning ISUZU TF SERIES 2004 Repair Manual

ISUZU TF SERIES 2004 Repair Manual TF SERIES 2004 ISUZU ISUZU https://www.carmanualsonline.info/img/61/57180/w960_57180-0.png ISUZU TF SERIES 2004 Repair Manual

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ISUZU TF SERIES 2004 Repair Manual 1-28  HEATER AND AIR CONDITIONING 
  
 Insert nut into union. First tighten nut by hand as much as 
possible. Then, tighten nut to specified torque. 
(Refer to "Special Parts Fixing Nuts and Bolts" in

Page 3039 of 4264

ISUZU TF SERIES 2004 Repair Manual HEATER AND AIR CONDITIONING  1-29 
 
 RECOVERY, RECYCLING, EVACUATION 
AND CHARGING 
Handling Refrigerant-134a (HFC-134a) 
Air conditioning systems contain HFC-134a. 
This is a chemical mixture which

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ISUZU TF SERIES 2004 Repair Manual 1-30  HEATER AND AIR CONDITIONING 
 
 REFRIGERANT RECYCLING 
Recycle the refrigerant recovered by ACR4 or equivalent. 
For the details of the actual operation, follow the steps in the 
ACR
4 Manufactu

Page 3041 of 4264

ISUZU TF SERIES 2004 Repair Manual HEATER AND AIR CONDITIONING  1-31 
 CHARGING THE REFRIGERANT SYSTEM
There are various methods of charging refrigerant into the air 
conditioning system. 
These include using the ACR
4 (HFC-134a Refrig

Page 3042 of 4264

ISUZU TF SERIES 2004 Repair Manual 1-32  HEATER AND AIR CONDITIONING 
 F06R300013 
 
  
 
 
   Direct charging with a manifold gauge charging 
station method. 
Handling the charging valve handle when installing refrigerant 
contain

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ISUZU TF SERIES 2004 Repair Manual HEATER AND AIR CONDITIONING  1-33 
refrigerant container. 
 
  
1)  Make sure the evacuation process is correctly completed. 
2)  Connect the center-hose of the manifold gauge to the 
refrigerant cont

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ISUZU TF SERIES 2004 Repair Manual 1-34  HEATER AND AIR CONDITIONING 
 
 
9) Check for refrigerant leaks by using a HFC-134a leak 
detector. 

  A fully charged system is indicated by the sight glass on 
the receiver/drier being free

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ISUZU TF SERIES 2004 Repair Manual HEATER AND AIR CONDITIONING  1-35 
Reading Sight Glass 
 
High and low 
pressure pipe 
temperature The high pressure 
pipe is hot and the 
low pressure pipe 
is cold.  There is a 
distinct difference

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ISUZU TF SERIES 2004 Repair Manual 1-36  HEATER AND AIR CONDITIONING 
CONDENSER 
  REMOVAL AND INSTALLATION (4JA1-TC, 4JH1-TC) 
 
  This illustration is based on RHD model  RTW410LF000501 
Removal Steps   
  1. Radiator grille 
  2. Fr

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ISUZU TF SERIES 2004 Repair Manual HEATER AND AIR CONDITIONING  1-37 
 
  REMOVAL AND INSTALLATION (EXCEPT 4JA1-TC, 4JH1-TC) 
  
 
 
 RTW410LF000701 
 
Removal Steps   
  1. Radiator grille 
  2. Engine hood lock 
  3. Engine hood fron