302.5C Mini Hydraulic Excavator Machine Systems Caterpillar


Gear Pump (Pilot) - Assemble

Usage:

302.5C GBB

Assembly Procedure

Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.




    Illustration 1g01171919

  1. Install bushings (24), balls (23), and seal (22) onto flange (25) .



    Illustration 2g01171943

  1. Install seal (21) onto plate (19) .



    Illustration 3g01171918

  1. Install bushing (20), and plate (19) into body (13) .



    Illustration 4g01171942

  1. Install seal (18) onto plate (15) .



    Illustration 5g01171917

  1. Install gear (17), gear (16), and plate (15) in body (13) .



    Illustration 6g01171941

  1. Install seal (14) onto plate (12) .



    Illustration 7g01171916

  1. Install body (13) and plate (12) .



    Illustration 8g01171915

  1. Install seal (9), balls (10), and gears (11) .



    Illustration 9g01171914

  1. Install seal (8) onto plate (7) .



    Illustration 10g01171913

  1. Install plate (7) into manifold (6) .



    Illustration 11g01171912

  1. Install manifold (6) and bolts (5) .



    Illustration 12g01171911

  1. Install sleeve (4) in gear pump (2) .



    Illustration 13g01171910

  1. Install gear pump (2) onto piston pump (3) and install bolts (1) .

End By: Install the main hydraulic pump and gear pump. Refer to Disassembly and Assembly, "Main Hydraulic and Gear Pump (Pilot) - Install".

Caterpillar Information System:

302.5C Mini Hydraulic Excavator Machine Systems Gear Pump (Pilot) - Disassemble
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