3512C Petroleum Engines Caterpillar


Air Shutoff - Remove and Install

Usage:

TH48-E70 PLZ

Removal Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


------ WARNING! ------

Personal injury can result from parts and/or covers under spring pressure.

Spring force will be released when covers are removed.

Be prepared to hold spring loaded covers as the bolts are loosened.


------ WARNING! ------

Personal injury or death can occur from not following the proper procedure or the recommended tooling.

To prevent the possibility of injury or death, follow the established procedure using the recommended tooling.


------ WARNING! ------

Before you remove the air intake shutoff, pull the trip knob on the air intake shutoff or press the emergency stop button in order to release the blade latch. If the blade latch is released after the air intake shutoff is removed, serious personal injury can result.


  1. Manually release the air shutoff. Pull or press in order to release the knob on the air shutoff. Ensure that the indicator on the air shutoff points straight to the "CLOSED" position. If the air shutoff did not trip, refer to Troubleshooting, "Air Shutoff System".


    Illustration 1g03414350

  2. Remove clamp (4) and disconnect tube (3).

  3. Remove nuts (1) and air shutoff (2).

    Note: Inspect the lines of the air intake for debris.

  4. Repeat for the opposite air shutoff.

Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Install air shutoff (2) in the reverse order of removal.

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