NOTE: The illustrations shown will be of the SS model single-cylinder air compressor. Differences in procedures for SS, QE, and ST model Holset® air compressors will be shown where necessary.
Remove the air governor or air governor line from the air compressor unloader body.
If the air compressor does not pump, remove, clean, and inspect the air compressor unloader valve assembly. Refer to Procedure 012-013 for air compressor valve assembly.
If the unloader valve assembly operates correctly, clean and inspect the exhaust valve assembly. Refer to Procedure 012-013 for air compressor valve assembly.
Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.
View all posts by Jack