Hitachi 309379 warranty Directional Valve Removal, Hydraulic Motor Switches

Directional Valve and Hydraulic Motor Switches

Directional Valve

Removal

1.

Relieve pressure; page 4.

2.Fig. 7. Remove large hex nut (F) on top of valve (32).

3.Slide coil off valve.

4.Remove valve body.

Installation

1.Install valve body by tightening large nut next to hydraulic manifold. Torque to 65 +/–5 ft-lb.

2.Slide coil onto valve.

3.Install large hex nut (F) on top of valve (32). Torque nut to 10 +/–1 ft-lb.

Hydraulic Motor Switches

The magnetic motor switches sense the piston position and energize/deenergize the solenoid to change the hy- draulic fluid flow.

1.

Relieve pressure; page 4.

2. Follow Hydraulic Motor Removal/Installation.

14309379