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September 13, 2009 Service bulletin

Motor coach inc.: may experience compressor discharge port damage due to loose discharge fitting....

Mci technical service bulletin SB-333 for 1998 Mci D Series and 2000-2008 Mci D.

Bulletin number
SB-333
Component
Engine and engine cooling
Summary
Motor coach inc.: may experience compressor discharge port damage due to loose discharge fitting. Deterioration of the 0-ring due to temperature. Coaches with caterpillar engines equipped with a ba922 compressor to replace the existing discharge fitting (having a black colored nitrile o-ring) with a new fitting having a brown colored viton o-ring having a higher temperature rating. No model years listed.

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