325C LCR Excavator Machine Systems Caterpillar


Main Hydraulic Pump - Install

Usage:

325C BKW

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     4    

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.


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 opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.





    Illustration 1g01167760

  1. Install alignment pins (41) in hub (38) .

  1. Install inserts (39) and bolts (40) .



    Illustration 2g01167759

  1. Install coupling assembly (37) on main hydraulic pump (14) .

  1. Install setscrews (36) .



    Illustration 3g01167758

  1. Install alignment pins (34) and (35) in the flywheel.



    Illustration 4g01167757

  1. Install inserts (33) and bolts (32) .



    Illustration 5g01167753

  1. Install coupling element (31) .



    Illustration 6g01167747

  1. Use Tooling (A) and a suitable lifting device to position main hydraulic pump (14). The weight of main hydraulic pump (14) is approximately 250 kg (550 lb).

  1. Install bolts (30) .



    Illustration 7g01167730

  1. Install support assemblies (28) and (29) .



    Illustration 8g01167729

  1. Connect tube assembly (27) .

  1. Connect hose assemblies (26) and (25) .

  1. Position filter assembly (24) and install bolts (23) .



    Illustration 9g01167728

  1. Connect hose assemblies (22) and (21) .

  1. Install bracket assemblies (20) and (19) and bolts (18) .



    Illustration 10g01167727

  1. Connect hose assemblies (17) .

  1. Install bracket assembly (16) to the main hydraulic pump (14) and connect harness assemblies (15) .

  1. Install cover (13) .



    Illustration 11g01167720

  1. Use two people to install support assembly (10). The weight of support assembly (10) is approximately 27 kg (60 lb).

  1. Connect hose assembly (8) .

  1. Install covers (12) and (7), supports (11) and (9), hand hold (6), and mirror mounting bracket (5) .



    Illustration 12g01167719

  1. Connect hose assemblies (4), (3), (2), and (1) .

  1. Refill the hydraulic tank with oil. Refer to Operation and Maintenance Manual, "Refill Capacities".

End By: Install the muffler. Refer to Disassembly and Assembly, "Muffler - Install".

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