isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

High Pressure Safety Valve HVAC|HD6/HT6|Page 4635 > < Heater Hose|Service and Repair|Page 4630
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High Pressure Safety Valve HVAC: Service and Repair
HD6/HT6

Remove or Disconnect

1. Recover the refrigerant using J 39500.
2. Remove old pressure relief valve.

Install or Connect

1. Clean valve seat area on rear head.
2. Lubricate O-ring of new pressure relief valve and O-ring assembly with new 525 viscosity refrigerant oil. Install new valve and torque in place, 9.0

Nm (6.1 lbs.ft.)

3. Evacuate and recharge the system.
4. Leak test system.

High Pressure Safety Valve HVAC|HD6/HT6|Page 4635 > < Heater Hose|Service and Repair|Page 4630