HUB 7D8364 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 175-5507 Nitrogen Charging Group 1
B 432-5977 Driver As 1 Start By:
Remove the ride control accumulators.
Personal injury can result from the sudden release of high pressure oil.Be sure the engine has been shut off for a minimum of five minutes to be sure that the accumulator pressure is zero.The accumulator is filled with dry nitrogen. Do not loosen or remove the valve or cap from the top of the accumulator. A purge screw at the bottom of the accumulator can be used to release the pressure that is left in the system.
Illustration 1 g01451649
Illustration 2 g01451650
Illustration 3 g01451652
Remove guard (2). Install Tooling (A) to valve (1) to remove the nitrogen from the accumulator. Refer to Special Instruction, REHS5464, "Accumulator Discharging and Charging Procedures" for the correct procedure to release the nitrogen from the accumulator. When the nitrogen is removed then remove valve (1). Remove the seals from the valve.
Install Tooling (B) to the head (3). Remove head (3). Repeat for opposite side.
Illustration 4 g01451653
Remove O-ring seal (5) and backup seal (4) from head (3). Repeat for opposite side.
Illustration 5 g01451780
Remove piston (9). Remove O-ring seal (8). Remove backing rings (6). Remove bands (7).