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Cummins N14 STC, Celect, Celect Plus – Service Manual 010-031   Air Intake Restriction

Table of Contents

Measure

Measure

 TOC

Install a vacuum gauge or water manometer in the intake air piping.

NOTE: The gauge adapter

must be installed at a 90 degree angle to the air flow in a straight section of pipe, 127 mm [5.0 in], before the turbocharger compressor inlet.

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Operate the engine at full throttle and maximum horsepower RPM with maximum load.

Record the reading on the gauge or manometer.

NOTE: Restriction

must not exceed 635 mm H20 [25.0 in H20].

  
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If the restriction exceeds specifications, replace or clean the air filter element. Refer to the OEM service manual.

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Inspect the intake air piping for damage. Check for collapsed and dented piping or elbows and loose connections. Refer to the OEM service manual.

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Remove the test equipment.

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Last Modified:  27-Oct-2011
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