PISTON 1G8607 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     9U-7692     Threaded Rod     2    Start By:
Remove the travel brake valve. Refer to Disassembly and Assembly, "Counterbalance Balance (Travel) - Remove".
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.
Keep all parts clean from contaminants.Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components.To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly.Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination.
Drain the oil from the final drive into a suitable container for storage or disposal.
Illustration 1 g00707275
Disconnect hose assemblies (1) and (3) .
Remove two of four bolts (2) that secure the travel motor to the final drive.
Illustration 2 g00878121
Install Tooling (A) in the place of the two bolts (2) that were removed.
Remove remaining bolts (5) that secure travel motor (4) to the final drive.
Illustration 3 g00707267
Attach a suitable lifting device to travel motor (4) .
Carefully pull travel motor (4) out of the final drive. The weight of travel motor (4) is approximately 57 kg (125 lb).
Illustration 4 g00878123
Remove O-ring seal (6) from the travel motor.