Holset Air Compressors – 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.

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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.

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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