BODY 1U4768 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 385-8479 Power Pack 1
478-3993 Hydraulic Torque Wrench 1
B - Loctite 243 - Start By:
Remove the final drive sprocket.
Remove the travel motor.
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.
Illustration 1 g00595681
Attach a suitable lifting device to final drive (1). The weight of final drive (1) is approximately 817 kg (1800 lb).
Illustration 2 g00874668
Illustration 3 g00874687Note: Mark the location of mounting bolt holes (Z) for the travel motor for installation purposes.
Use Tooling (A) to remove bolts (2). Use the suitable lifting device to remove the final drive.Installation Procedure
Install final drive (1) in the reverse order of removal.
Apply Tooling (B) to the threads of bolts (2).
Tighten bolts (2) to a torque of 500 50 N m (369 37 lb ft).
Turn bolts (2) to an additional angle of 50 5 degrees. Refer to Service Magazine , M0083843 , "An Improved bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators" for more details.