BOX AS 4571330 - Caterpillar

Disassembly Procedure
Start By:
Remove the control valve.
Illustration 1 g03394330
Position control valve (2) onto a suitable work bench. Remove fittings (1) from control valve (2).
Illustration 2 g03394331
Remove plugs (3) and check valves from control valve (2).
Illustration 3 g03339622
Remove O-ring seal (4), spring (5) and check valve (6) from plug (3).
Illustration 4 g03339697
Remove screws (7). Remove bank of solenoid valves (8).
Illustration 5 g03339720
Remove O-ring seals (9).
Illustration 6 g03400971
Remove O-ring seals (11) from solenoid valve (10). Repeat Step 6 for remaining solenoid valves.
Illustration 7 g03400973
Remove screws (12) and cover (13).
Illustration 8 g03400975
Remove O-ring seals (14).
Illustration 9 g03400978
Remove spools (15) from the control valve.
Illustration 10 g03394333
Remove check valves (16) and plug (17) from the control valve.
Illustration 11 g03401002
Illustration 12 g03394334
Remove O-ring seal (18) and seal (19) from check valve (16) and (17).