992K Wheel Loader Machine Systems Caterpillar


Brake Accumulator - Install

Usage:

992K 880

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1P-7405  Eyebolt 


    Illustration 1g02367078

  1. Attach Tooling (A) and a suitable lifting device to brake accumulator (3). The weight of brake accumulator (3) is approximately 29 kg (64 lb).

  2. Use Tooling (A) and the suitable lifting device in order to position brake accumulator (3) to the machine.


    Illustration 2g02367297

  3. Install the washers and bolts (7).


    Illustration 3g02367277

  4. Install fitting (5).

  5. Connect tube assembly (6) and hose assembly (4).


    Illustration 4g02367257

  6. Install protector (2) onto brake accumulator (3).

  7. Repeat Steps 12 through 6 for the remaining brake accumulator .


    Illustration 5g02367056

  8. Install bracket (8).


    Illustration 6g02365158

  9. Install cover plate (1).

  10. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the correct draining and filling procedures.

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

    Dry nitrogen is the only gas approved for use in the accumulators. The charging of oxygen gas in an accumulator will cause an explosion. An explosion can be eliminated by using nitrogen gas cylinders with standard CGA (Compressed Gas Association, Inc.) No. 580 connectors. When nitrogen gas is ordered, make sure to order the cylinders with CGA No. 580 connectors.

    Do not rely on color codes or other methods of identification to tell the difference between nitrogen and oxygen cylinders. In any application, never use an adapter to connect your nitrogen charging group to a valve outlet used on both nitrogen, oxygen, or other gas cylinders. BE SURE YOU USE DRY NITROGEN (99.8% purity).


  11. Check the charge of the brake accumulator. For the correct procedure, refer to the Operation and Maintenance Manual for your machine.

  12. Start the engine and check for leaks. Check for proper operation of the braking system.

End By:

  1. Disconnect the steering frame lock.

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