Relief Valve Removal and Installation (Petrol Model)
Precautions: General safety (00)
Removal
1)Recover refrigerant from A/C system using recovery and recycling equipment referring to “Recovery” in Operation Procedure for Refrigerant Charge:Manual Type.
2)Remove engine undercover.
3)Remove relief valve (1) from compressor.
| [A]: | HFC-134a model | [B]: | HFO-1234yf model |
Installation
Reverse removal procedure noting the following points.
•Use new O-ring.
•Apply compressor oil to O-ring.
Relief valve (HFO-1234yf) (b): 13 N·m (1.3 kgf-m, 9.5 lbf-ft)
•Evacuate and charge A/C system referring to “Evacuation” and “Charge” in Operation Procedure for Refrigerant Charge:Manual Type.
•Apply compressor oil to O-ring.
HFC-134a model: Compressor oil 99000–99095–00A (MITSUBISHI S10X)
HFO-1234yf model: Compressor oil 99000–990B7–00A (Compressor oil (ND-OIL12))
•Tighten relief valve (1) to specified torque.HFO-1234yf model: Compressor oil 99000–990B7–00A (Compressor oil (ND-OIL12))
Tightening torque
Relief valve (HFC-134a) (a): 10 N·m (1.0 kgf-m, 7.5 lbf-ft)Relief valve (HFO-1234yf) (b): 13 N·m (1.3 kgf-m, 9.5 lbf-ft)
| [A]: | HFC-134a model | [B]: | HFO-1234yf model |