308C CR Excavator Hydraulic System – Pilot Valve (Blade) – Assemble

Assembly Procedure

Illustration 1	g00889001

1. Install the following components into ball assembly (18) : ball (19), shims (20) and spring (21) .

Illustration 2	g00889077




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.



2. Install ball assemblies (18) .

3. Tighten nut (22) to a torque of 41 ± 3 N·m (30 ± 2 lb ft). Tighten plug (23) to a torque of 41 ± 3 N·m (30 ± 2 lb ft).

Illustration 3	g00888912




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.



4. Install the following items onto spool assembly (17) : seat (13), spring (14), seat (15) and shims (16) .

5. Press spring (14) against seat (15). Install clip (12) .

Illustration 4	g00888289




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.



6. Install the following components into housing (5) : plug (6), pushrod (7), spool assembly (8), O-ring seal (9), plunger (10) and spring (11) .

   Install bolts (4) into housing (5). Tighten bolts (4) to a torque of 12 ± 1 N·m (9 ± 1 lb ft).

Illustration 5	g00888262

7. Install bolts (2). Torque bolts (2) to a torque of 30 ± 2 N·m (22 ± 1 lb ft).

8. Apply Tooling (A) to the threads of the set screw before installing. Install lever (3). Torque the set screw to a torque of 17 ± 1 N·m (13 ± 1 lb ft).

9. Install boot (1) onto the valve assembly.