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6.7
TEST ENGINE WITH REPAIRED AIR COMPRESSOR
6.7
TEST ENGINE WITH REPAIRED AIR COMPRESSOR
Perform the following steps to determine if the replaced (or new) air compressor resolved the
excessive crankcase pressure:
To avoid injury before starting and running the engine,
ensure the vehicle is parked on a level surface, parking
brake is set, and the wheels are blocked.
1. Start and run the engine.
2. Perform a crankcase pressure test; refer to MBE900 service manual, engine
chapter-cylinder head.
[a] If the engine crankcase pressure exceeds 0.62 kPa (2.5 in. H
engine. Check for defective turbocharger. Refer to section 6.8.
[b] If the engine crankcase pressure is within 0.62 kPa (2.5 in. H
engine; no further troubleshooting is required.
6-10
PERSONAL INJURY
6SE568
Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION
O), shut down the
2
O), shut down the
2
(Rev. ) All information subject to change without notice.
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Troubleshooting
