521B and 522B Track Feller Bunchers Machine Systems Caterpillar


Travel Motor - Remove and Install

Usage:

521B F7B

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Description  Qty 
123-4370  M20 x 2.5 x 150mm Guide Stud 


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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.


  1. Refer to Operation and Maintenance Manual, "'Hydraulic System Oil – Change'" for the correct draining and filling procedures.


    Illustration 1g03231677

  2. Remove bolts (1) and remove cover (2). Use two people in order to remove the cover.


    Illustration 2g01019385

  3. Disconnect hose assemblies (3), (4), (5), and (6).


    Illustration 3g01019399

  4. Remove mounting bolts (7).


    Illustration 4g01019408

  5. Install Tooling (A) and attach a suitable lifting device, as shown. Remove travel motor (8). The weight of travel motor (8) is approximately 60 kg (135 lb).

Installation Procedure

  1. Install travel motor (8) in the reverse order of removal.

    1. Torque mounting bolts (7) to a torque of 510 ± 20 N·m (376 ± 15 lb ft)

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