3500 and 3500B High Displacement Engines for Caterpillar Built Machines Electric Starting Motor - Remove and Install Caterpillar

Removal Procedure

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Disconnect batteries before performance of any service work.

Note: Before disconnecting the harness assemblies, mark the items for the proper connections in order to ensure correct assembly.

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Illustration 1	g00597378

1. Disconnect the harness assemblies from solenoid (1) and electric starting motor (2).

   If the engine has two electric starting motors, disconnect the harness assemblies between the solenoids and electric starting motors.

2. Attach a suitable lifting device to electric starting motor (2). The weight of electric starting motor (2) is approximately 30 kg (66 lb).

3. Remove bolts (3). Remove electric starting motor (2). Remove the gasket from the joint between electric starting motor (2) and the flywheel housing.

Installation Procedure

1. Inspect the gasket for the joint between the electric starting motor and the flywheel housing. Obtain a new gasket, if necessary.
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   Illustration 2	g00597378

2. Attach a suitable lifting device to electric starting motor (2). The weight of electric starting motor (2) is approximately 30 kg (66 lb).

3. Place the gasket in the cover for electric starting motor (2). Lift the electric starting motor (2) onto the mounting position. Install bolts (3).

4. Connect the harness assemblies to solenoid (1) and electric starting motor (2).

   If the engine has two electric starting motors, connect the harness assemblies between the solenoids and electric starting motors.