KIT-SEAL 3404685 - Caterpillar

Illustration 11 g00864539
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Note: Spool (20) and spool (25) are located in the same bore of valve assembly (11). Spool (25) must be removed from the end opposite spool (20).
Turn over valve assembly (11). Position valve assembly (11) on suitable blocks, as shown.
Use a suitable punch in order to drive pin (26) into valve assembly (11) until pin (26) is clear of spool (25). Do not remove the punch at this time.
Use a suitable screwdriver in order to depress spool (25).
Remove the punch from the hole for pin (26).
Slowly remove the screwdriver that is depressing spool (25). This will relieve the spring force against spool (25).
Illustration 12 g00864540
Remove slug (28) from spool (25).
Remove spring (27) from valve assembly (11).
Remove pin (26).
Illustration 13 g00864541
Illustration 14 g00864542
Reposition valve assembly (11), as shown.
Remove piston (29) from valve assembly (11).
Remove spacers (30) from the inside diameter of piston (29).
Remove spring (31) and spring (32) from valve assembly (11).
Remove spool (33) from valve assembly (11).
Remove slug (34) from spool (33).
Illustration 15 g01250213
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Remove retaining ring (38), retainer (37), spring (36), and ball (35) from spool (33).
Illustration 16 g00864546
Remove stop (39) and spool (40) from valve assembly (11).
Illustration 17 g01250196
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Remove retaining ring (41), retainers (42), and spring (43) from spool (40).
Illustration 18 g00864558
Remove plate (12) from valve (44).
Remove plugs (45) and the O-ring seals from plate (12).
Illustration 19 g01247709
Illustration 20 g01247711
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Remove the bolts and cover (46) from valve (44).
Remove O-ring seal (47).
Remove stop (48) from valve (44).
Remove spool (52) from valve (44).
Remove retaining ring (49), retainers (50), and spring (51) from spool (52).