ENGINE AR-PRIMARY 3697838 - Caterpillar

Install relief valve (30). Tighten relief valve (30) to a torque of 28 2 N m (21 2 lb ft).
Illustration 15 g03448482
Install coil assembly (26), washer (27), spacer (28), and nut (29). Tighten nut (29) to a torque of 5.5 1.5 N m (47 13 lb in). Install O-ring seals (25).
Illustration 16 g03448118
Install solenoid valve (24) and bolt (23).
Illustration 17 g03448116
Install coil assembly (19), washer (20), spacer (21), and nut (22). Tighten nut (22) to a torque of 5.5 1.5 N m (47 13 lb in). Install O-rings seals (18).
Illustration 18 g03448010
Install solenoid valve (17) and bolt (16).
Illustration 19 g03448040
Illustration 20 g03446360
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install spool (13) and spring (14). Install O-ring seals (15) and plug (12). Tighten plug (12) to a torque of 350 53 N m (258 39 lb ft).
Illustration 21 g03446358
Install stem (9). Install plug (10) and O-ring seals (11). Install housing (7) and bolts (8).
Illustration 22 g03446357
Illustration 23 g03446356
Install probe (5). Tighten probe (5) to a torque of 12 3 N m (106 27 lb in). Install O-ring seals (6), sensor (4), and bolts (3). Tighten bolts (3) to a torque of 7 2 N m (62 18 lb in).
Illustration 24 g03446354
Install shuttle valves (2). Tighten shuttle valves (2) to a torque of 16 2 N m (142 18 lb in).
Illustration 25 g03446353
Install plugs (1).End By:
Install steering control valve.
Assembly Procedure
Illustration 26 g01378859
Install O-ring seal (31) and plug (32).
Install O-ring seals (23).
Install valve assembly (30) and bolts (29).
Install O-ring seal (22), O-ring seal (21) and plug (16).
Install O-ring seal (15) and valve (14).
Install O-ring seal (13) and plug (12).
Install O-ring seal (5) and plug (4).
Install O-ring seal (10), O-ring seal (9), valve (7), spool (11), O-ring seals (3), housing (2), and bolts (1).
Install O-ring seal (26) and the valve.
Install O-ring seals (27) and valve (28).
Install O-ring seal (24) and plug (25).
Install O-ring seal (17), spool (18), O-ring seal (19), and plug (20).
Install O-ring seals (33), solenoid (34), and bolts (35).
Install valves (8) and plugs (6).End By:
Install the steering control valve. Refer to Disassembly and Assembly, "Steering Control Valve - Install".