14H Motor Grader Machine Systems Piston Pump (Hydraulic and Steering) - Remove Caterpillar


Piston Pump (Hydraulic and Steering) - Remove
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
ZZ  6V-9511  Face Seal Plug 
6V-9832 Cap Assembly 
9U-7090 Plug 
9U-7091 Cap 
9U-7067 Plug 

Start By:

  1. Remove the piston pump (fan drive). Refer to Disassembly and Assembly, "Piston Pump (Fan Drive) - Remove".

  2. Remove the pump drive shaft. Refer to Disassembly and Assembly, "Pump Drive Shaft - Remove and Install".

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.



    Illustration 1g00930716

  1. Remove bolts (1) and disconnect elbow (2).


    Illustration 2g00930718

  2. Disconnect hose assembly (3). Remove nut (5) and washer (6). Remove yoke (7). Remove three bolts (4).

    Note: Do not remove remaining bolt (4A) at this time.



    Illustration 3g00930719

  3. Remove bolts (8) and valve (9).


    Illustration 4g00930720

  4. Remove remaining bolt (4A).

  5. Slide pump (10) out of the machine and onto a suitable cart. The weight of the pump is approximately 77 kg (170 lb).

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