PIN 4Z8923 - Caterpillar

Illustration 9 g02631490
Install spring seat (27).
Illustration 10 g02631494
Install outer spring (23) and inner spring (22).
Illustration 11 g02631496
Install packing (3) in plug (8).
Illustration 12 g02631497
Install cap (2) and new O-ring seal (11) on plug (8).
Illustration 13 g02631498
Install pushrod (16) in plug (8).
Install piston (18) on pushrod (16).
Illustration 14 g02631502
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.
Install plug (8) and the pushrod in the body assembly.
Repeat steps 3 through 15 in order to install the other three spool assemblies.
Illustration 15 g02631516
Install cover (25) and bolts (26). Tighten bolts (26) to a torque of 29 3 N m (22 2 lb ft).
Illustration 16 g02631540
If bushings (20) were removed during the disassembly phase install bushings (20) in covers (24).
Illustration 17 g02631556
Install covers (24) and bolts (4). Tighten bolts (4) to a torque of 79 10 N m (58 7 lb ft).
Illustration 18 g02631577
Install setscrews (5) and nuts (17).
Illustration 19 g02631597
Install pedal (12) on the pilot valve.
Illustration 20 g02631617
Install camshaft (19) in pedal (12). Center camshaft (19) in pedal (12).
Install setscrew (6) in pedal (12). Tighten setscrew (6) to a torque of 6.9 1.0 N m (61.07 8.85 lb in).
Illustration 21 g02631618
Illustration 22 g02631622
Adjust setscrew (5) in order to set Dimension (A) for pedal (12) at 12.4° 0.6°.
Tighten nuts (17) to a torque of 33 3 N m (25 3 lb ft).
Repeat Steps 20 through 23 in order to install the remaining pedal. End By:
Install the pilot valve.