Toro Groundsmaster 3280-D Service Manual page 221

Removing the Lift Control Valve (continued)
g225056
1. Manifold block
2. O-ring (2 each)
3. O-ring (4 each)
4. 90° hydraulic fitting (2 each)
Groundsmaster ® 3280-D/3320
05138SL Rev B
Before opening the hydraulic system, operate all the hydraulic
controls to release system pressure and avoid injury from the
pressurized hydraulic fluid; refer to
Hydraulic System (page
Ensure that the cutting deck is fully lowered and supported before
loosening the hydraulic lines, cartridge valves, or plugs from the lift
control valve.
If the deck is not fully lowered when the lift control valve components
are loosened, the deck may drop unexpectedly.
7. Disconnect the hydraulic hoses and tubes from the fittings in the lift control
valve. Allow the lines to drain into a suitable container. Remove and discard
the O-rings from the fittings.
8. Install clean caps or plugs on the hydraulic lines and fittings to prevent
contamination.
9. Disconnect the wire harness leads from the solenoid coils on the lift control
valve.
10. Remove the 2 bolts (item 6 in
that secure the lift control valve to the machine frame.
11. Remove the lift control valve from the machine.
5. Flow control orifice
6. O-ring (2 each)
7. 90° hydraulic fitting
8. Straight hydraulic fitting
CAUTION
Releasing Pressure from the
5–6).
WARNING
Figure 108), 2 lock washers, and 2 flat washers
Figure 109
10.
Page 5–137
9. Manifold block
Adapter
Hydraulic System: Service and Repairs