Holset Air Compressors Master Repair Manual – 012-017   Air Governor (Air Compressor Will Not Pump)

Table of Contents

Initial Check

Initial Check

TOC

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.

SMALL | MEDIUM | LARGE


Operate the engine to activate the air compressor.

If the air compressor is pumping, the air governor is malfunctioning and must be repaired or replaced. Refer to the manufacturer’s instructions.

SMALL | MEDIUM | LARGE
   


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.

SMALL | MEDIUM | LARGE
Last Modified:  13-Jun-2005