VHC-30, VHC-40, VHC-50 and VHC-60 Hydraulic Crushers Gerotor Motor - Disassemble Caterpillar


Gerotor Motor - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     5F-7343     Bearing Puller Assembly     1    

Start By:

  1. Remove the gerotor motor.

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be cleaned thoroughly. This step will help to prevent dirt from entering the internal mechanism.


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 operating any compartment or disassembling any component containing fluids.

After collecting all fluids in suitable containers, dispose of all fluids according to local regulations and mandates.





    Illustration 1g00688959

  1. Place the gerotor motor in a soft jawed vise so that the output shaft is pointed downward.



    Illustration 2g00688971

  1. Make an alignment mark from the cover to the housing.



    Illustration 3g00688988

  1. Remove seven bolts (1) from the gerotor motor.



    Illustration 4g00689046

  1. Remove cover (2). Remove O-ring seal (3) and discard the seal.



    Illustration 5g00689048

  1. Remove plate (4). Remove O-ring seal (5) and discard the seal.



    Illustration 6g00689062

  1. Remove manifold (6). Remove two O-ring seals (7) on the top and on the bottom of the manifold. Discard the two seals.



    Illustration 7g00689069

  1. Remove rotor set (8) and plate (9) together.

    Note: Removing the rotor set and the plate together will retain the rotor set in the assembled form. This step will maintain the same contact surfaces between the rotor vane and the stator.




    Illustration 8g00689083

  1. Remove link (10) .



    Illustration 9g00689088

  1. Remove bearing (12) .



    Illustration 10g02141093

  1. Remove setscrew (13) .

  1. Use a hydraulic press and Tooling (A) in order to remove gear (14) from the output shaft.

    Note: Ensure that the housing is supported underneath the press.




    Illustration 11g02141094

  1. Remove output shaft (15). Remove the square key from the output shaft and inspect the square key.

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