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

Installation Procedure


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.


Note: Check the O-ring seals for wear or for damage. Replace the components, if necessary.




    Illustration 1 g00884383

  1. Install O-ring seal (9) and bushing (10) in the frame of the pump assembly.



    Illustration 2 g00884321

  1. Position auxiliary hydraulic pump (8) and install bolts (7). Tighten the bolts to a torque of 62 ± 7 N·m (45 ± 5 lb ft).



    Illustration 3 g00884266

  1. Position block (6) and install bolts (4). Tighten the bolts to a torque of 80 ± 7 N·m (60 ± 5 lb ft).
  1. Position block (1) and install bolts (3). Tighten the bolts to a torque of 80 ± 7 N·m (60 ± 5 lb ft).
  1. Connect hose assemblies (5) and (2).

End By:
Install the gear pump (pilot). Refer to Disassembly and Assembly, “Gear Pump (Pilot) – Install”.