SHAFT 0831856 - Caterpillar

Illustration 1 g00859297
Start the engine, and run the engine at low idle. Turn speed potentiometer (1) to the lowest setting.Make sure that the area behind the machine is clear of personnel and clear of obstacles.Slightly, move propel lever (2) to the REVERSE position.The backup alarm should sound immediately. The backup alarm should continue to sound until propel control lever (2) is moved to the NEUTRAL position or to the FORWARD position.
Illustration 2 g00746239
To adjust the sound level, turn the adjustment knob that is on the back of the backup alarm. The backup alarm is set at the lowest sound level when the machine is shipped from the factory. The adjustment knob should remain at the LOW position unless the job site requires a higher sound level.The backup alarm is on the rear of the machine.