308C CR Excavator Hydraulic System – Final Drive and Travel Motor – Install

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     5P-6215     Jack Stand     2    


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.

  1. Thoroughly clean all mating surfaces prior to installation.

    Illustration 1 g00538695

    Note: Adjust the height of Tooling (A) so that there is enough clearance between the sprocket and track links for installation of the final drive and travel motor.

  1. Raise the side of the machine and install Tooling (A) under the frame.

    Illustration 2 g00538828

  1. Attach a suitable lifting device to final drive and travel motor assembly (6). Install the final drive and the travel motor into the undercarriage frame. The weight of the final drive and travel motor is approximately 118 kg (260 lb).
  1. Apply 9S-3263 Thread Lock Compound on the threads of twelve bolts (5). Install bolts (5). Tighten the bolts to a torque of 270 ± 40 N·m (200 ± 30 lb ft).
  1. Replace the O-ring seals in the ends of hose assemblies (4) with new O-ring seals.
  1. Connect hose assemblies (4).

    Illustration 3 g00538793

  1. Install cover (3) and bolts (2) .

    Illustration 4 g00539286

  1. Fill the final drive with oil. Refer to Operation and Maintenance Manual, SEBU7421, “Final Drive Oil – Change” for the proper procedure.
  1. Fill the hydraulic tank with oil. Refer to Operation and Maintenance Manual, SEBU7421, “Hydraulic Oil Level – Check”.

    Illustration 5 g00538695

  1. Remove Tooling (A) .

End By:
Connect the track. Refer to Disassembly and Assembly, “Track – Connect”.