973C Track-Type Loader Power Train Caterpillar


Pump Drive - Disassemble

Usage:

973C 3RZ

Disassembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     154-6181     Forcing Screws     3    
B     138-7575     Link Bracket     2    
C     5P-4758     Internal Pliers     1    
D     1P-0510     Driver Group     1    
E     1P-0074     Slide Hammer Puller     1    

Start By:

  1. Remove the pump drive. Refer to Disassembly and Assembly, "Pump Drive - Remove" for the correct procedure to remove the pump drive.



    Illustration 1g00690776

  1. Remove bolts (1) and the washers in order to separate housing assembly (2) .



    Illustration 2g00690786

  1. Install Tooling (A) and lift the top part of the housing assembly.

  1. Install Tooling (B). Use a strap and a suitable lifting device in order to remove the top of housing assembly (2). Remove Tooling (A) .



    Illustration 3g00690788

  1. Use Tooling (C) in order to remove three retaining rings (3) .



    Illustration 4g00690791

  1. Use Tooling (E) in order to remove lip seal (4) from ring (5) .



    Illustration 5g00690792



    Illustration 6g00690795

  1. Use Tooling (D) to remove outer bearing (6) from the top part of housing assembly (2) .



    Illustration 7g00690799

  1. Use Tooling (D) to remove the outer bearing on the other end of the housing assembly. Use Tooling (D) in order to remove ring (5) and outer bearing (6) from the housing assembly.



    Illustration 8g00691024

  1. Mark the location of the gears. Remove gears (7) from the bottom half of the housing assembly.



    Illustration 9g00691030

  1. Remove bearing inner race (8) on both sides of the gears.

    Note: The bearing inner race will be damaged during removal.




    Illustration 10g00691192

  1. Use Tooling (E) in order to remove three outer bearings (9) from the lower half of the housing assembly.



    Illustration 11g00691196

  1. Remove bolt (10), the washer and clip (11) from the inside of the lower housing assembly.



    Illustration 12g00691199

  1. Remove breather (12), if necessary.



    Illustration 13g00691203

  1. Remove transmission temperature sensor (13) .

  1. Remove plug (14) and the O-ring seal from the lower half of housing assembly (2) .



    Illustration 14g00691305

  1. Turn the housing assembly to the other side of the housing assembly. Use Tooling (E) in order to remove lip seal (15) .

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