Hitachi HYDRAMAX 309379 - Manual (Page 14)

309379
14
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.