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Hydraulic System
Groundsmaster 3000/3000–D
Page 5 – 7
Hydraulic System
Hydraulic Schematic
L R
T
6.1 IN DISPLACEMENT
STEERING CYLINDER
S2
CYL1 CYL2
2.5” BORE
3.5” STROKE
1” ROD
N1
S1
G1
1000 PSI
S
OUT
1.625 BORE
7.00 STROKE
.625 ROD
LC1
75–220PSI
P
T2T1
5 PSI
T3
P2
P3
C3
SUNDSTRAND IHT
IDLE 1650 RPM
LOADED 1560 RPM
QUICK
COUPLER
CCW
INPUT
33CC
ADJ ORIFICE
STD .187
3625
PSI
1750
PSI
1750
PSI
1750
PSI
1750
PSI
600 PSI
OIL
COOLER
MAX SETTING WITH
18CC 18CC 18CC 18CC
QUICK
COUPLER
QUICK
COUPLER
IHT
RESERVOI
R
”EASY–RIDE”
15CC
PUMP
PV
CHARGE
PRESSURE
IMPLEMENT CIRCUIT
PF
INLET
CHARGE/
IMPLEMENT
PUMP
LIFT/
COUNTERBALANCE
MANIFOLD
RESERVOIR
SOLENOIDS
LIFT/LOWER
CONTROL
IHT–M15 TRANSAXLE
”EASY–RIDE”
25CC
25CC
FIXED
MV
MF
A
M1
M2
M3 M4
LIFT
HOLD
ON OFF
OFF OFF
OFF ON
S1 S2
A
3
and Transaxle
Rev. A
(with Model 30726 Hyd. Kit and Contour 82 Cutting Unit)
PBP
STEERING CONTROL UNIT
LIFT CYLINDERS
AUX FILTER
BRAKING VALVE
DECK MOTORS
SCREW CLOCKWISE TO
HYD. KIT INSTALLED.
VALVES
VARIABLE
PRIORITY VALVE
PRESSURE RELIEF VALVE
FILTER
VALVES
VARIABLE
MOTOR
MOTOR
FIXED MOTOR OPTION
VARIABLE MOTOR OPTION
DETAIL
LOWER/FLOAT
DETAIL