Service Manual

Groundsmaster 4500 --D/4700--DHydraulic System Page 4 -- 58
Cutting Deck Circuit Relief Pressure (Using Tester with Pressure Gauge & Flow Meter)
SECOND PUMP SECTION SHOWN
TEST FOR GM4500 --D
TESTER
6.2 GPM
11.4 GP M
3500
PSI
3500
PSI
1500
PSI
1500
PSI
P1 P2
T1
G1
PRV1
PRV2
LC1
LC2
M1 M2 M3 M4
RV09
T2
FRONT
LEFT
FRONT
RIGHT
REAR
LEFT
RV8
4350 PSI
30.5 GPM
250 PSI
5000 PSI
EU -- 2600 / 1200 RPM
11.4 GP M
1.16
CID
1.16
CID
1.16
CID
1.16
CID
1.16
CID
G2
G4
G3
0.56
CID
0.56
CID
1.03
CID
1.03
CID
2.75
CID
REAR
RIGHT
FRONT
CENTER
50
PSI
ENGINE
T4 -- 2700 / 1200 RPM
PISTON
PUMP
DECK CONTROL
MANIFOLD
#1
#2
#3 #4
#5
FROM REAR
TRACTION MANIFOLD
TRACTION
CIRCUIT FLOW
FROM STEERING CONTROL VALVE
FLOW
MANIFOLD PORT P1 TO FAN CONTROL
CHARGE
CIRCUIT
MANIFOLD PORT P2
TO FAN CONTROL
FROM WHEEL MOTOR
CASE DRAIN
FROM ENGINE
COOLING MOTOR
MANIFOLD PORT T
FROM FAN CONTROL