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-Replace the air compressor if leaking.
* Air dryer to compressor head O-ring-Replace the air dryer if leaking.
* Air dryer cover-Replace the air dryer if leaking.
* Air compressor head gasket-Replace the air compressor if leaking.
* Air compressor head cover gasket-Tighten the cover bolts to 5.6 N.m (50 lb in) if the head cover gasket is leaking. If the leak persists, replace the air compressor.

Repair Instructions

Air Compressor Replacement