308C CR Excavator Hydraulic System – Auxiliary Hydraulic Pump – Assemble – Blade

Assembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-0510     Driver Group     1    

NOTICE

Failure to properly assemble parts or failure to follow established procedures can lead to damage of the parts and assembly.

To avoid damage to parts, always identify and mark the parts so that they can be installed in the same location. Ensure that gear surfaces align. Never force parts during assembly.

  1. Thoroughly clean all parts of the auxiliary pump prior to assembly. Put clean hydraulic oil on the parts during assembly. Check the condition of all parts of the pump assembly. If any of the parts are worn or damaged, use new parts for replacement.

    Illustration 1 g00535971

  1. Ensure that dowels (15) are installed in the center case.
  1. Use Tooling (A) to install bushings (16) in thrust plate (17). Install each bushing even with the outside of the thrust plate. Install thrust plate (17), plate (18) and square ring (19) in the correct positions in the center case.

    Illustration 2 g00535972

  1. Install end frame (14) on the center case.

    Illustration 3 g00535974

  1. Install idler gear (12) and drive gear (13) in the center case.

    Illustration 4 g00535976

  1. Use Tooling (A) to install the bushings in thrust plate (11). Install each bushing even with the outside of the thrust plate. Install thrust plate (11) in the center case.

    Illustration 5 g00535997

  1. Install O-ring seals (10) on guides (8).

    Illustration 6 g00535999

  1. Install plate (9) and square ring (7) in the center case. Install guides (8).

    Illustration 7 g00536002

  1. Position end plate (4) on the center case. Install bolts (3). Tighten the bolts to a torque of 62 ± 7 N·m (45 ± 5 lb ft).
  1. Install coupling (5) on the drive gear of the pump.

    Illustration 8 g00536005

  1. Install O-ring seal (1) in the end frame.
  1. Install coupling (2) on the drive gear.

End By:
Install the auxiliary hydraulic pump. Refer to Disassembly and Assembly, “Auxiliary Hydraulic Pump – Install”.