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September 28, 2010 Service bulletin

Mci: tag unload valve assembly. effective with unit number 65614, mci has made design changes to the tag...

Mci technical service bulletin SB-3043 for 2000-2011 Mci J4500, 1999-2011 Mci E4500 and 1998, 2001-2008 Mci E Series and others.

Bulletin number
SB-3043
Component
Service brakes, air: supply: quick release valve
Summary
Mci: tag unload valve assembly. Effective with unit number 65614, mci has made design changes to the tag unload valve assembly installation on some model coaches. The longer life valves will improve the durability of the tag unload valve assembly. Models e4500/j4500 series. No model years listed.

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