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LIFT/LOWER
CONTROL
LIFT
SOLENOIDS
S1
S2
ON OFF
Groundsmaster 3000/3000–D
Page 5 – 6
Hydraulic System
L
PBP
R
T
6.1 IN DISPLACEMENT
3
STEERING CYLINDER
S2
CYL1 CYL2
2.5” BORE
3.5” STROKE
1” ROD
N1
S1
LC1
75–220 PSI
P
S
OIL
COOLER
OUT
LIFT/
COUNTERBALANCE
MANIFOLD
1.625 BORE
7.00 STROKE
.625 ROD
T–2350–4
HOLD
OFF
OFF
OFF
ON
ADJ ORIFICE
STD .187
C3
P3
P2
T3
T1 T2
G1
15CC
PUMP
PV
CHARGE
PRESSURE
PF
INLET
CHARGE/
IMPLEMENT
PUMP
RESERVOIR
MV
”EASY–RIDE”
25CC
IHT–M15 TRANSAXLE
Hydraulic Schematic
STEERING CONTROL UNIT
LIFT CYLINDERS
LOWER/FLOAT
VARIABLE
PRIORITY VALVE
IMPLEMENT CIRCUIT
PRESSURE RELIEF VALVE
FILTER
VALVES
VARIABLE
MOTOR