CP54 and CS54 Vibratory Soil Compactors Machine Systems System Pressure - Release Caterpillar


System Pressure - Release
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------ WARNING! ------

Personal injury can result from rotating and moving parts. Stay clear of all rotating and moving parts.

Never attempt adjustments while the machine is moving or the engine is running unless otherwise specified.

The machine must be parked on a level surface and the engine stopped.

Attach a "Do Not Operate" or similar warning tag to the start switch and controls before servicing, repairing, or making adjustments to the machine.

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------ WARNING! ------

Personal injury or death can result from sudden machine movement.

Sudden movement of the machine can cause injury to persons on or near the machine.

To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine.

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------ WARNING! ------

Personal injury can result from hydraulic oil pressure and hot oil.

Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.

Make sure all of the attachments have been lowered, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "AVSpare Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in AVSpare machines.

Dispose of all fluids according to local regulations and mandates.


  1. Drive the machine to a smooth, horizontal surface.



    Illustration 1g01415204

  1. Move propulsion lever (1) to the NEUTRAL position.



    Illustration 2g01415246

  1. Move parking brake switch (2) to the ON position.



    Illustration 3g01415249

  1. Move throttle control switch (3) to the LOW IDLE position.



    Illustration 4g01415252

  1. Move engine start switch (4) to the OFF position.



    Illustration 5g01415265

  1. Remove four bolts (5) and washers, and remove cover (6) .

  1. Slowly remove cap (5) from the hydraulic tank. The cap is not vented. If there is pressure under the cap, check the hose that goes to the breather in order to make sure that the hose is not plugged. Also, make sure that the breather is not plugged. If necessary, replace the breather. Reposition cover (6) and install four bolts (5) and washers.

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