SHAFT AS 4T7640 - Caterpillar

1. Disconnect the battery cables from the batteries.2. Put identification marks on wires (2) as to their location, and disconnect all the wires from the starting motor.3. Put identification marks on wires (3) and (4) as to their location, and disconnect all the wires from the solenoid.4. Remove three bolts (5) that hold starting motor (1) to the flywheel housing. Use two persons to remove the starting motor. The weight of the starting motor is 26 kg (57 lb.). The following steps are for installation of the electric starting motor.5. Check the condition of the gasket for the starting motor, and make a replacement if necessary.6. Put the gasket and starting motor (1) in position on the flywheel housing, and install three bolts (5) that hold it in place.7. Connect all wires (3) and (4) to the starting motor. Tighten the terminal nuts to the torque given in Specifications.8. Connect all wires (2) to the solenoid. Tighten the terminal nuts to the torque given in Specifications.9. Connect the battery cables to the batteries.