990K Wheel Loader and 844K Wheel Dozer Machine Systems Caterpillar


Piston Pump (Brake) - Remove and Install

Usage:

990K A9P

Removal procedure


NOTICE

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

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.

Dispose of all fluids according to local regulations and mandates.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g06020170

  1. Open cover (1).


    Illustration 2g06020240

  2. Disconnect hose assembly (2). Remove bolts (3).

  3. Reposition hose assemblies (4).


    Illustration 3g06020249

  4. Remove brake pump (5) and the O-ring.

Installation procedure

  1. Install brake pump (5) in the reverse order of removal.

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