Toro Greensmaster 3120 Service Manual page 175

Installing the Steering Control Valve
Greensmaster 3120
17230SL Rev C
Note: Inspect the threads and the sealing surfaces of the hydraulic fittings
and the hydraulic hoses prior to installation. Replace any damaged or worn
fittings or hoses.
1. Lubricate and fit new O-rings onto the valve fittings. Install the fittings making
sure that the fitting location and orientation is as noted during removal.
Tighten fittings as specified; refer to
Straight Thread O-Ring Fittings) (page
2. Position steering control valve to steering mount.
3. Remove any plugs and caps from the hydraulic hoses and fittings. Using
the labels placed during removal, connect the hydraulic hoses to the valve
fittings. Tighten the connections as specified; refer to
Hoses and Tubes (O-Ring Face Seal) (page
4. Slide the steering control valve (with the hydraulic hoses attached) into the
steering mount and secure it with the four (4) cap screws.
5. Install the steering valve cover.
6. Secure the steering wheel cover with the two (2) screws.
7. Apply a small amount of anti-seize lubricant to the splines and the taper of
the steering control valve shaft and install the steering wheel, the flat washer
and the lock nut. Tighten lock nut from 28 to 35 N∙m (20 to 26 ft-lb).
8. Charge the hydraulic system; refer to
4–79).
Installing the Hydraulic Fittings (SAE
4–10).
Charging the Hydraulic System (page
Page 4–129
Installing Hydraulic
4–8).
Hydraulic System: Service and Repairs