Air Compressor Leak Test

Air Compressor Leak Test


Tools Required
* J 22124-B Pressure Gage (0-300 psi)
* J 22124-91 Pressure Gage Adapter


1. Attach the J 22124-91 pressure gage adapter to the air dryer.
2. Attach the J 22124-B pressure gage to the J 22124-91 pressure gage adapter with the toggle valve on the opposite side of the air compressor. Close the toggle valve.
3. Apply air pressure at the schrader valve. Pressurize until the J 22124-B pressure gage reads 690 kPa (100 psi).
4. Check the following areas using soap bubbles:

* Solenoid valve
* Air dryer to compressor head O-ring
* Air dryer cover
* Air compressor head gasket
* Air compressor head cover - If necessary, tighten the cover bolts to 5.6 N.m (50 lb in)



If a leak is found, replace the air compressor. Refer to Air Compressor Replacement (Service and Repair) .