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Groundsmaster 4500--D/4700--DHydraulic System Page 4 -- 30
Engine Cooling Fan Circuit ( GM 4500--D Normal Fan Direction Shown)
Working Pressure
Low Pressure (Charge)
Return or Suction
Flow
Groundsmaster 4500--D/4700--D
0.630”ROD
1050
1600PSI
6.2GPM
11.4 GPM
3500
PSI
3500
PSI
1500
PSI
1500
PSI
P1
P2
T1
G1
PRV1
PRV2
LC1
LC2
M1
M2
M3
M4
T
RV09
PRV
S1
CV
FD
P2P1
ST
L
M1 M2
PET
R
P
CHG
G1
C2
TS
RV
S5
T2
FRONT
LEFT
FRONT
RIGHT
REAR
LEFT
50/50FLOW
DIVIDER
FANCONTROL
MANIFOLD
RV8
G2
MANIFOLD
4350PSI
30.5GPM
1.83CID/
0.89CID
PR
450PSI
RV
550PSI
.050
CV
T
P2
M8
CH
OR1
250PSI
5000PSI
EU --2600/1200 RPM
2.32CID/
1.13CID
200PSI
.030
OR8
4PSI
1.83CID/
0.89CID
6.2GPM
11.4 GPM
1.16
CID
1.16
CID
1.16
CID
1.16
CID
1.16
CID
.080
.030.030 .055
G2
G4
G3
G2
G1
3.1GPM
3.1GPM
CV
S6
0.56
CID
0.56
CID
1.03
CID
1.03
CID
2.75
CID
STEERING
CYLINDER
REAR
RIGHT
FRONT
CENTER
50
PSI
6.1
CIR
REARTRACTION
CONTROL
ENGINE
T4 -- 2700 /1200RPM
JUNCTION
MANIFOLD
50
PSI
L
4.20”STROKE
2.00”BORE
LIFTCONTROL
MANIFOLD
REAR
AXLE
MOTOR
PISTON
PUMP
DECKCONTROL
MANIFOLD
#1
#2
#3
#4
#5
PSI
LIFT
CYLINDERS
0.630”ROD
1.500”BORE
3.50”STROKE
0.630”ROD
1.500”BORE
7.00”STROKE
0.630”ROD
1.500”BORE
4.00”STROKE
0.630”ROD
1.500”BORE
7.00”STROKE
3
2
1
CONTROLMANIFOLD
HI/LOWRANGE
CONTROL
VALVE
STEERING