Leak Testing (External)

Compressor Leak Testing Fixture:

1. With sealing washers in place, install test plate J39893 on rear head of compressor and connect gage charging lines and J 39500-GM.

2. Pressurize suction and high-side of compressor with R-134a refrigerant. With the compressor in horizontal position, rotate the compressor shaft in normal direction of rotation several turns by hand.

3. Using leak detector J 39400, check for leaks at pressure relief valve, rear head switch location, compressor front and rear head seals, through bolt head gaskets and compressor shaft seal.

4. If an external leak is present, perform the necessary corrective measures and recheck for leaks to make certain the leak has been corrected.

5. Recover refrigerant.

6. Disconnect hoses from the test plate J 39893 and remove test plate.