HYDRAULICS
8I-33
SECTION 8I. LIFT/LOWER VALVE
GENERAL
The lift valve is used in conjunction with the reel (auxil-
iary) hydraulic pump and joystick to lift and lower the
reels. The valve is mounted on the center rear of the
front axle.
REMOVAL
1. Shut down the engine and remove the ignition
key.
2. Remove the floorboard.
3. Thoroughly clean the lift valve, especially the area
surrounding the hydraulic hoses, tubes, and fit-
tings.
4. Tag and disconnect the hydraulic hoses and tubes
from the lift valve. Immediately plug the hoses,
tubes and valve to prevent contamination of the
hydraulic system.
5. Tag and disconnect the wiring harness connectors
from both solenoids.
6. While supporting the valve, remove two mounting
screws and lock washers from the bottom of the
valve.
7. Remove the valve from the mower.
INSTALLATION
1. Position the valve on the front axle mounting and
secure with two screws and lock washers.
2. Remove plugs and using the tags created during
removal, connect the hydraulic hoses and tubes to
the valve fittings.
3. Using tags created during removal, connect the
wiring to both solenoids.
4. Replace the hydraulic filter.
5. Start the engine and check valve operation. Check
for leaks and repair as necessary.
6. Install the floorboard.
Figure 8I-1. Lift Valve Mounting
Front Axle
Lift Valve
Solenoid
Valve
Coil
Coil
Nut
Pressure
Control
Sandwich
Spool
Relief
Check
Valves
Lift Valve
8I
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