Heating and Air Conditioning: Service and Repair

AIR CONDITIONING: REFRIGERANT: REPLACEMENT

REPLACEMENT

1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
(a) Turn the A/C switch ON.
(b) Operating the cooler compressor at the engine rpm of approx. 1000 for 5 to 6 min., circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much as possible.
(c) Stop the engine.
(d) Recover the refrigerant from the A/C system using a refrigerant recovery unit.
2. CHARGE REFRIGERANT
(a) Using a vacuum pump, perform a vacuum purging.
(b) Supply refrigerant, HFC-134a (R134a).
Standard amount:
490 ± 30 g (17.28 ± 1.06 oz.)
SST: 07110-58060
07117-58060
07117-58070
07117-58080
07117-58090
07117-78050
07117-88060
07117-88070
07117-88080
SST: 07117-48130
SST: 07117-48140
3. WARM UP ENGINE
4. INSPECT LEAKAGE OF REFRIGERANT
(a) Using a gas leak detector, check for leakage of refrigerant.