Lift Control Manifold Service
5
60
(6.7
in--lb
N--m)
7
6
7
60
(6.7
in--lb
N--m)
4
20
(27
ft--lb
N--m)
20
(27
ft--lb
N--m)
3
2
8
20
(27
ft--lb
N--m)
25
(33
ft--lb
N--m)
9
RIGHT
FRONT
1
Figure 92
1.
2.
3.
Lift control manifold
Solenoid valve (S1)
Solenoid valve (S2)
4.
5.
6.
Solenoid coil
Nut
Nut
7.
8.
9.
Solenoid coil
Proportional relief valve (PRV)
Logic cartridge (LC)
NOTE: Theportsontheliftcontrolmanifold aremarked
for easy identification of components. Example: P is the
gear pump (P4) connection port and S2 is the location
forsolenoidvalveS2(seeHydraulicSchematicinChap-
ter8 -- FoldoutDrawingstoidentifythefunctionofthehy-
draulic lines and cartridge valves at each manifold port
location).
WARNING
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.
Forcontrolmanifold serviceprocedures,seeDeckCon-
trol Manifold Service in this section. Refer to Figure 92
for lift control manifold cartridge valve installation
torque.
Hydraulic System
Page 4 -- 102
Groundsmaster 4300--D
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