VALVE GP-MAIN CONTROL 3969645 - Caterpillar

Disassembly Procedure
Start By:
Remove fan drive.
Illustration 1 g03584007
Remove bolts (2), adapter (1) and the O-ring seal.
Illustration 2 g03584019
Attach a suitable lifting device to pulley (4). The weight of pulley (4) is approximately 21 kg (46 lb). Remove bolts (3) and pulley (4).
Illustration 3 g03584022
Remove bolt (5), washer (6), and hub assembly (7).
Illustration 4 g03584079
Remove ball bearing (8), spacer (9), ball bearing (11), and lip seal (12) from hub (10).
Illustration 5 g03584080
Remove spacer (13) and O-ring seal (14).
Illustration 6 g03584085
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 nuts (15) and (18). Remove washers (16) and (19). Remove spring assembly (17).
Illustration 7 g03584109
Remove cotter pins (22), pins (20), and retainers (21) from spring assembly (17).
Illustration 8 g03584110
Remove cotter pins (29) and (30).
Remove pins (23) and (25). Remove plates (24) and (26). Remove spacers (27) and (28).
Illustration 9 g03584677
Remove bolt (31), washer (32), and arm assembly (33).
Illustration 10 g03584678
Remove bolts (34), cover (35) and gasket (36). Remove bolts (37), washer (38), and pulley assembly (39).
Illustration 11 g03584681
Remove ball bearing (40), spacer (41), ball bearing (43), and lip seal (44) from pulley assembly (42).
Illustration 12 g03584682
Remove spacer (45) and O-ring seal (46).
Illustration 13 g03584716
Use a suitable hammer and punch to remove dowels (49). Use a suitable press to remove shaft (48) from arm assembly (47)
Illustration 14 g03584718
Use a suitable hammer and punch to remove dowel (53). Use a suitable press to remove shafts (50) and (52) from arm assembly (51).