3054E Industrial Engine Electric Starting Motor - Remove and Install Caterpillar


Electric Starting Motor - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Note: The procedure for removal of the 12 volt electric starting motor and the 24 volt electric starting motor is identical. Refer to illustration 1 or 2.



    Illustration 1g01157125
    12 Volt Starting Motor


    Illustration 2g01157126

  1. Turn the battery disconnect switch to the OFF position.

  2. Place an identification mark on all of the harness assemblies that are connected to the starting motor.

  3. Disconnect the harness assemblies (1), (2) and (3) from the starting motor.

  4. Remove the nuts (4) from the studs.

  5. Remove the starting motor (4) from the flywheel housing.

Installation Procedure

Note: The procedure for installation of the 12 volt electric starting motor and the 24 volt electric starting motor is identical. Refer to illustration 3 or 4.



    Illustration 3g01157125
    12 Volt Starting Motor


    Illustration 4g01157126

  1. Install the starting motor (4) on the flywheel housing.

  2. Install the nuts (4) on the studs. Tighten the nuts to a torque of 44 N·m (32 lb ft).

  3. Connect the harness assemblies (1), (2), and (3) to the electric starting motor.

  4. Turn the battery disconnect switch to the ON position.

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