PM820, PM822, and PM825 Cold Planer Machine Systems Caterpillar


Gear Pump (Charge) - Disassemble

Usage:

PM825 3C6

Disassembly Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
437-3776  Fixture As. 
1U-5750 Engine Stand 
1U-9127 Adapter Plate 


    Illustration 1g06209676

  1. Attach the gear pump to Tooling (A) or a suitable fixture.

  2. Remove bolts (2) and housing (1).


    Illustration 2g06209679

  3. Remove plate (3) from housing (1).


    Illustration 3g06209684

  4. Remove seal (4) and back up seal (5) from plate (3).


    Illustration 4g06209688

  5. Remove shaft assemblies (6) and O-ring seal (7) from flange (8).


    Illustration 5g06209690

  6. Remove plate (9) from flange (8).


    Illustration 6g06209691

  7. Remove seal (10) and back up seal (11) from plate (9).


    Illustration 7g06209694

  8. Remove retaining ring (12) and lip seal (13) from flange (8).

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