14H Motor Grader Machine Systems Piston Pump (Fan Drive) - Remove Caterpillar


Piston Pump (Fan Drive) - Remove
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
ZZ  9U-7084  Cap 
6V-9508 Face Seal Plug 
6V-9829 Cap As 

Start By:

  1. Remove the combination valve. Refer to Disassembly and Assembly, "Combination Valve - Remove".


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, PERJ1017, "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.


------ 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 work tools have been lowered to the ground, 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.


Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.

  1. Drain the hydraulic tank into a suitable container for storage or disposal. The capacity of the hydraulic tank is 55 L (14.5 US gal). Refer to Operation and Maintenance Manual, SEBU7477, "Hydraulic System Oil - Change" for the correct procedure.


    Illustration 1g00929924

  2. Disconnect tube assembly (1). Disconnect hose assembly (2).


    Illustration 2g00929927

  3. Disconnect hose assemblies (3). Disconnect hose assembly (4).


    Illustration 3g00929929

  4. Remove bolt (5). Repeat this step for the opposite side.

  5. Remove piston pump (6).

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