isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Hose/Line HVAC > < High Pressure Safety Valve HVAC|HD6/HT6
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High Pressure Safety Valve HVAC: Service and Repair
V5

Remove or Disconnect

1. Recover 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

N.m (6.1 lbs.ft.).

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

Hose/Line HVAC > < High Pressure Safety Valve HVAC|HD6/HT6