Lift Control Manifold Service - Toro GroundsmasterR 4300-D Service Manual

Lift Control Manifold Service

4
20 ft- -lb
(27 N- -m)
3
2
25 ft- -lb
(33 N- -m)
RIGHT
FRONT
1. Lift control manifold
2. Solenoid valve (S1)
3. Solenoid valve (S2)
NOTE: The ports on the lift control manifold are marked
for easy identification of components. Example: P is the
gear pump (P4) connection port and S2 is the location
for solenoid valve S2 (see Hydraulic Schematic in Chap-
ter 8 -- Foldout Drawings to identify the function of the hy-
draulic lines and cartridge valves at each manifold port
location).
For control manifold service procedures, see Deck Con-
trol Manifold Service in this section. Refer to Figure 92
for lift control manifold cartridge valve installation
torque.
Hydraulic System
5
60 in- -lb
(6.7 N- -m)
1
4. Solenoid coil
5. Nut
6. Nut
Page 4 - - 102
7
Figure 92
Make sure that cutting decks are fully lowered
before loosening hydraulic lines, cartridge
valves or plugs from lift control manifold. If
decks are not fully lowered as manifold compo-
nents are loosened, decks may drop unexpect-
edly.
6
60 in- -lb
(6.7 N- -m)
7
20 ft- -lb
(27 N- -m)
8
20 ft- -lb
(27 N- -m)
9
7. Solenoid coil
8. Proportional relief valve (PRV)
9. Logic cartridge (LC)
WARNING
Groundsmaster 4300--D