RETAINER 1168050 - Caterpillar

Removal Procedure
Accidental engine starting can cause injury or death to personnel working on the equipment.To avoid accidental engine starting, disconnect the battery cable from the negative (−) battery terminal. Completely tape all metal surfaces of the disconnected battery cable end in order to prevent contact with other metal surfaces which could activate the engine electrical system.Place a Do Not Operate tag at the Start/Stop switch location to inform personnel that the equipment is being worked on.
Turn the battery disconnect switch to the OFF position.
If necessary, remove the hose for the crankcase breather. Refer to Disassembly and Assembly, "Crankcase Breather - Remove".
Make temporary identification marks on the harness assemblies that are connected to the electric starting motor and to the solenoid.
Illustration 1 g01261155
Typical example
Disconnect the harness assemblies from the electric starting motor and from the solenoid.
Remove nuts (3) from electric starting motor (1). Note: Support the weight of the electric starting motor as the nuts are removed.
Remove electric starting motor (1).
If necessary, remove studs (2). Installation Procedure
Illustration 2 g01261155
Typical example
If necessary, install studs (2).
Align electric starting motor (1) to studs (2). Install the electric starting motor.
Install nuts (3). Different types of starting motor have different sized nuts. Tighten M10 nuts to a torque of 44 11 N m (32 8 lb ft).Tighten M12 nuts to a torque of 78 19.5 N m (57 14 lb ft).
Connect the harness assemblies to the electric starting motor and the solenoid.
If necessary, install the hose for the crankcase breather. Refer to Disassembly and Assembly, "Crankcase Breather - Install".
Turn the battery disconnect switch to the ON position.