320D2 GC Excavator Machine Systems Gear Pump (Pilot) - Disassemble Caterpillar


Gear Pump (Pilot) - Disassemble
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1.1. Disassembly Procedure

Disassembly Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1P-1857  Retaining Ring Pliers 

Start By:

  1. Remove the gear pump.


    Illustration 1g01202274

  1. Remove bolts (1) and housing (2) from flange (3).


    Illustration 2g01202276

  2. Remove O-ring seal (4).


    Illustration 3g01202275

  3. Use Tooling (A) in order to remove retaining ring (5).

  4. Remove lip seal (6).


    Illustration 4g01202277

  5. Remove plate (7) and seal (8).


    Illustration 5g01202278

  6. Remove balls (9) and gears (10).


    Illustration 6g01202279

  7. Remove plate (11).


    Illustration 7g01202280

  8. Remove seal (12).

Information System:

320D2 GC Excavator Machine Systems Gear Pump (Pilot) - Remove and Install
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320D2 GC Excavator Machine Systems Gear Pump (Pilot) - Assemble
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