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ISM, ISMe, and QSM11 – 007-012   Lubricating Oil Filter (Canister-Type)

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Leak Test

Leak Test

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This procedure outlines the steps to isolate a centrifugal bypass filter when checking possible causes of high engine crankcase blowby.

Disconnect the air supply line from the centrifugal bypass filter assembly. Cap the end of the air supply line to prevent system air loss during the test.

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Operate the engine and check the engine blowby. Refer to Procedure 014-002 in Section 14.

If the blowby is within the correct specifications, repair the centrifugal filter. Refer to the manufacturer’s guidelines for the correct procedure.

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Remove the cap from the air supply line.

Connect the air supply line to the centrifugal bypass filter assembly.

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Last Modified:  23-Jan-2009
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