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M11 Series – 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.

The gauge adapter

must be installed at a 90-degree angle to the airflow in a straight section of pipe, one pipe diameter before the turbocharger.

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Operate the engine at full throttle and rated rpm with maximum load.

Record the data on the gauge or manometer.

Inlet Air Restriction
mm-h2o in-h2o
63.5 MAX 25.0

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If restriction exceeds specifications:

  • Replace or clean the air filter element. Refer to the equipment manufacturer’s instructions.

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  • Inspect the intake piping for damage. Refer to the equipment manufacturer’s repair instructions.

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Remove the test equipment.

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Last Modified:  07-May-2003
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