Air Compressor Fails to Unload
The air compressor will not unload
- Faulty governor or governor installation
Test the governor for proper operation. Check for restrictions in the air line that connects to the governor. Repair the governor or replace the governor, if necessary. Repair the air lines or replace the air lines, if necessary.
- Faulty synchronization valve or installation
Test the synchronization valve for proper operation. Check for restrictions in the air line that connects to the synchronization valve. Repair the governor or replace the synchronization valve, if necessary. Repair the air lines or replace the air lines, if necessary.
- Faulty unloader piston or bore
Inspect the unloader piston and the bore for the unloader piston for wear. Check for a dirty unloader piston. Inspect the bore for the unloader piston for dirt. Replace the unloader piston, if necessary.
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