SEAL 3419763 - Caterpillar

Disassembly Procedure
Start By:
Remove the steering control valve. Refer to Disassembly and Assembly, "Steering Control Valve - Remove".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 g00451137
Remove plug assemblies (3), springs (2), and balls (1) .
Illustration 2 g00451138
Remove pressure reducing valve (4) .
Illustration 3 g00451140
Remove O-ring seal (5), O-ring seal (6), backup ring (8), O-ring seal (7), and backup ring (9) .
Illustration 4 g00451142
Remove backup relief valve (10) .
Illustration 5 g00451165
Remove O-ring seal (11), O-ring seal (12), and backup rings (13) .
Illustration 6 g00451167
Remove four bolts (14) and cover (15) .
Illustration 7 g00451169
Remove spool assembly (16) .
Illustration 8 g00451171
Remove bolt (24), washer (23), retainer (22), spring (21), washer (20), retainer (19), and shim pack (18) from stem (17) .
Illustration 9 g00451173
Remove cylinder crossover relief valve (25) .
Illustration 10 g00451174
Remove O-ring seal (26), O-ring seal (27), and backup rings (28) .
Illustration 11 g00451175
Remove shuttle valve (29) .
Illustration 12 g00451179
Remove O-ring seal (30), O-ring seal (31), backup rings (33), O-ring seal (32), and backup rings (34) .
Illustration 13 g00451170
Remove O-ring seal (35) and O-ring seal (36) .