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

Assembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     9S-3263     Thread Lock Compound     1    



    Illustration 1 g00889001

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



    Illustration 2 g00889077


    ------ WARNING! ------

    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.

    ----------------------


  1. Install ball assemblies (18) .
  1. 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


    ------ WARNING! ------

    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.

    ----------------------


  1. Install the following items onto spool assembly (17) : seat (13), spring (14), seat (15) and shims (16) .
  1. Press spring (14) against seat (15). Install clip (12) .



    Illustration 4 g00888289


    ------ WARNING! ------

    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.

    ----------------------


  1. 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

  1. Install bolts (2). Torque bolts (2) to a torque of 30 ± 2 N·m (22 ± 1 lb ft).
  1. 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).
  1. Install boot (1) onto the valve assembly.