SEAL-SPECIAL-U-CUP 1Z9349 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-1857     Retaining Ring Pliers     1    Start By:
Remove the gear pump. Refer to Disassembly and Assembly, "Gear Pump (Steering, Brake, Pilot, and Fan) - Remove".
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.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will prevent dirt from entering the internal mechanism.
Illustration 1 g00877056
Mark the position of cover (2) .
Remove bolts (1) and cover (2) .
Illustration 2 g00877057
Remove O-ring seal (3) .Note: Note the orientation of the seals and the plates prior to removal.
Illustration 3 g00877058
Remove plate (4) and the seals.
Illustration 4 g00877059
Remove gears (5) .
Illustration 5 g00877060
Remove plate (6) and the seals.
Illustration 6 g00877061
Note: Mark the position of housing (7) .
Remove housing (7) .
Illustration 7 g00877062
Remove plate (9) and the seals.
Illustration 8 g00877063
Remove gears (10) .
Illustration 9 g00877064
Remove plate (11) and the seals.
Remove O-ring seal (12) .
Illustration 10 g00877065
Use Tooling (A) in order to remove retaining ring (13) .
Remove seal (14) .