Toro REELMASTER 4500-D, Service Manual

Page: 169 / 302

Reelmaster 4500–D
Page 4 – 7
Hydraulic System
Hydraulic Schematic
2500 HI–IDLE 1
100 LO–IDLE
A (FWD)
INLET
B (REV)
TEST
POR
T
CHARGE
BA
PRIORITY
OUT
IN
S1
3000 PSI
LC1
(FWD)
T
B A
TEST
POR
T
CUTTING
(TYP) IN
B
A
T
T
RIGHT
SIDE
5 3 1 2 4
A B C D E
F
TRACTION FOR
W
ARD
STEERING CIRCUIT COUNTER–BALANCE TRACTION REVERSE
L
R
TP
TEST
POR
TS
TEST
POR
T
LIFT
CYLS
B
B
LH
REAR
LEFT
SIDE
W
ARNING
SHUT– DOWN
G
P T
RH
LC2
A
A
P1
P2
PRESSURE
CIRCUIT
4
WHEEL
DRIVE ONL
Y
STEER CYLINDER
STEERING ORBITROL
TRACTION MOT
ORS
4WD V
AL
VE
BLOCK
TRACTION MOT
OR
TRACTION MOT
OR
OIL
LEVEL
SENSOR
PUMP P
ACKAGE
OIL COOLER
RETURN FIL
TER
LO-SPEED BACKLAP
REEL SPEED
REELS ON-OFF
LIFT
V
A
L
V
E
LIFT CYLINDERS
REEL
SHUT
-OFF
REEL
MOT
ORS
COUNTERBALANCE 350 25 PSI
2100 100 PSI
5000 + 100 –0 PSI
1200 +100 –0 PSI
Hydraulic
System