SWITCH AS-FLOW 4227517 - Caterpillar

CMS Functional Test
To ensure proper operation of the CMS, check the system on a daily basis.
Illustration 1 g01043983The battery disconnect switch must be ON in order to supply electrical power to the machine so that the electrical systems will function.
ON - The engine start switch key (1) must be turned to the ON position in order to supply electrical power to the operator's compartment so that the CMS will function.Turn the engine start key to the ON position. The system should act in the following manner:
The indicator lights on the top portion of the instrument panel come on briefly.
The action light comes on briefly.
The auxiliary action light comes on briefly.
The indicator lights on the bottom portion of the instrument panel flash briefly.
The action alarm sounds briefly.
The pointers on the gauges point upward. Then, the pointers point to the left. Then, the pointers point to the right. Then, the pointers point to the final position.If the system functions properly, start the engine. If any of the following events occur, do not start the engine:
The indicator lights on the top portion or the bottom portion of the instrument panel do not come on.
The action light does not come on.
The auxiliary action light does not come on.
The action alarm does not sound.Complete any necessary repairs before you start the engine.
Panel Test Switch - With the engine stopped, push test switch (2). Service hours will appear in the display area until the switch is pushed. Push the switch and release the switch until the desired information appears in the display area. The following type of information is displayed:
Total Service Hours
Service hours in forward speed range
Service hours in reverse speed range
Fault codesBraking System (Test)
If the machine moves during the test, reduce the engine speed immediately, and engage the parking brake.If the machine moved while testing the brakes, consult your Caterpillar dealer for brake inspection and repair. Damaged brakes must be repaired before returning the machine to operation.
Note: The machine is capable of driving through the brakes in the first speed range.Make sure that the area around the machine is clear of personnel and clear of obstacles.Test the brakes on a dry, level surface.Fasten the seat belt before you test the brakes.
Illustration 2 g01043985
Start the engine.
Raise all attachments.
Depress the service brake pedal.
Release the parking brake.
While the brake pedal is depressed, move the directional control to the SECOND SPEED FORWARD position.
Gradually increase the engine speed to full load speed. The machine should not move.
Move the directional control to the NEUTRAL position.
Reduce the engine speed to LOW IDLE. Engage the parking brake. Lower all attachments to the ground. Apply a slight down pressure. Stop the engine.
Make any necessary repairs before you operate the machine.
If the machine moved while testing the brakes, contact your Caterpillar dealer. Have the dealer inspect and, if necessary, repair the service brake before returning the machine to operation.