ROLLER GP 2347099 - Caterpillar

Removal Procedure
Start By:
Install the wheel chocks. Refer to Disassembly and Assembly, "Wheel Chock (Front and Rear) - Remove and Install".
Install the truck body retaining cable. Refer to Disassembly and Assembly, "Truck Body Retaining Cable - Remove and Install".
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.
Personal injury can result from hot oil or hot components.At operating temperature, oil is hot and under pressure. Hot oil can cause burns.Remove the fill cap only when the engine is stopped, and the fill cap is cool enough to touch with your bare hand.Do not allow hot oil or components to contact skin.
The space between the body and the frame becomes a zero clearance area when the body is lowered. Failure to install the retaining cable can result in injury or death to personnel working in this area.
In order to prevent possible personal injury, release the air pressure from the air tank before disconnecting any components of the air system.
Install caps and plugs on all openings in order to prevent dirt or debris from entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal components.
Release the pressure in the air system. Refer to Disassembly and Assembly, "Air Tanks (Brake) - Purge".
Drain the hydraulic oil from the hydraulic tank. The capacity of the hydraulic tank is 420 L (111 US gal). Refer to Operation and Maintenance Manual, "Hoist, Torque Converter, and Brake Tank Oil - Change" for the correct procedure.
Illustration 1 g00615339
Remove hose assembly (4) from two air/hydraulic cylinders (1) and (2). Disconnect double check valve (3) from air/hydraulic cylinder (2) .
Illustration 2 g00614118
Disconnect hose assembly (5) from air/hydraulic cylinder (1). Disconnect hose assembly (6) from air/hydraulic cylinder (2) .
Illustration 3 g00615341
Disconnect hose assembly (7) from air/hydraulic cylinder (2). Place boot (9) that covers wire harness (8) aside.
Illustration 4 g00614134
Loosen two screws (10) that hold wire harness (8) to air/hydraulic cylinder (2). Disconnect wire harness (8) from air/hydraulic cylinder (2) .
Illustration 5 g00615345
Position a suitable lifting device around air/hydraulic cylinder (2). Remove three bolts (11) and the washers that hold air/hydraulic cylinder (2) to the frame assembly. Remove air/hydraulic cylinder (2) from the frame assembly. The weight of air/hydraulic cylinder (2) is 25 kg (55 lb).
Repeat Steps 6 through 8 for the remaining air/hydraulic cylinder.