CYLINDER & SEAL GP-BOOM 4185481 - Caterpillar

Remove plug (9), the O-ring seal, retainer (8), spring (7), retainer (6), spool (5), plug (4), and the O-ring seal.
Remove plug (16), the O-ring seal, retainer (15), spring (14), rod (13), retainer (12), spool (11), plug (10), and the O-ring seal.
Illustration 4 g01329902
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 bolts (17) and head (18).
Illustration 5 g01329908
Remove piston (22), piston (21), spring (24), gasket (19), port plate (20), and bearing cup (23).
Illustration 6 g01329909
Remove bearing cone (25).
Illustration 7 g01329910
Remove shim (26), barrel (27), and dowel (28).
Illustration 8 g01329911
Illustration 9 g01329913
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.
Use Tooling (A), Tooling (B), and a suitable press to remove retaining ring (32) from barrel (27).
Remove washer (31), spring (30), and washer (29).
Illustration 10 g01329903
Remove bolts (33) and cover (34).
Illustration 11 g01329907
Remove O-ring seal (35).
Illustration 12 g01329905
Remove plug (36).
Illustration 13 g01329914
Remove shaft (37), bolts (39), and plates (38).
Illustration 14 g01329915
Remove plates (40), retainer (41), and pistons (42).
Illustration 15 g01329916
Remove swashplate (43).
Illustration 16 g01330062
Remove screws (45), bearings (44), bearing cone (46), and bearing cup (47).