Home » ISX11.9 CM2250 - Service Manual » Cummins ISX11.9 CM2250 – Service Manual 012-017   Air Governor (Air Compressor Will Not Pump)

Cummins ISX11.9 CM2250 – Service Manual 012-017   Air Governor (Air Compressor Will Not Pump)

Initial Check

TOC

Verify that the air compressor is equipped with an air governor.

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Remove

TOC

Remove the air governor or air governor signal line from the air compressor.

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Inspect for Reuse

TOC

Operate the engine to activate the air compressor.

If the air compressor is pumping, the air governor is malfunctioning and must be replaced. Refer to the OEM service manual.

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If the compressor does not pump with the governor removed, the unloader valve is malfunctioning. Replace the compressor cylinder head. Refer to Procedure 012-003 in Section 12.

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Last Modified:  16-Apr-2010