Low-Pressure Pipe Removal And Installation

COOLER PIPE AND HOSE


LOW-PRESSURE PIPE LOW-PRESSURE PIPE : Removal and Installation


CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large amount of refrigerant or lubricant is detected, never perform lubricant return operation. Perform Lubricant Return Operation.

REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Recycle Refrigerant.
2. Remove cowl top cover. Exploded View.
3. Disconnect vacuum hose from vacuum piping. Exploded View.





4. Disconnect one-touch joint between low-pressure pipe (1) and low-pressure flexible hose (2) with disconnector (A) (SST: J-45815).

CAUTION:
Cap or wrap the joint of the A/C piping with suitable material such as vinyl tape to avoid the entry of air.





5. Disconnect one-touch joint between low-pressure pipe (1) and low-pressure evaporator pipe (2) with disconnector (A) (SST: J-45815).

CAUTION:
Cap or wrap the joint of the A/C piping with suitable material such as vinyl tape to avoid the entry of air.
6. Remove low-pressure pipe.

INSTALLATION
Installation is basically the reverse order of removal.

CAUTION:
- Replace O-rings with new ones. Then apply compressor oil to them when installing.
- Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping straight in axial direction.
- Insert piping securely until a click is heard.
- After piping connection is completed, pull male-side piping by hand to check that connection does not come loose.
- Check for leakages when recharging refrigerant. Leak Test.