NOZZLE A. 9F4113 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 175-5507 Nitrogen Charging Group 1
B 313-2527 Driver Assembly 1 Start By:
Remove the brake accumulator. Refer to Disassembly and Assembly , "Brake Accumulator - Remove".
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.
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.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Illustration 1 g01451649
Illustration 2 g01451650
Illustration 3 g01451652
Remove guard (2). Install Tooling (A) to valve (1) in order to remove 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).