Toro groundsmaster 455-D - Four (4) Wheel Drive

LOCKOUT DIRECTIONAL
STEERING CONTROL UNIT
/
/
/
B T
A
P
3
3
F
E D
C
O
B
A
I
R
L
P
T
3
/
/
/
3
/
/
/
/
/
/
/
/
Page 4 -- 6
Hydraulic Schematics
Rev. C
Hydraulic Schematic -- Four (4) Wheel Drive
.039 ONE--WAY ORIFICE
2000 PSI (138 BAR)
(25.0 CC REV)
(5.08 CC REV)
(7.6 BAR)
STEERING CYLINDER
INLET
CHECK VALVE
7.4 CU INCH
CONTROL VALVE WITH DETENTED
TEST PORTS
OVER--RUNNING CLUTCH
32.8 15.4 FRONT AXLE
100 MESH STRAINER
FILTER
10 MICRON
ENGINE
COOLER
2.0 TURNS
LOCK TO LOCK
1200 PSI (83 BAR)
3.95 GPM (14.93 LITERS MIN)
FRONT MOTOR
.913 IN REV (15.0 CC REV)
REAR MOTOR
2.01 IN REV (32.9 CC REV)
FORWARD 16.2 GPM MAX
(61 LITERS MIN MAX)
1.50 IN REV
100 PSI 1.5 GPM (6.9 BAR) (5.66 LITERS MIN)
25 PSI (1.7
BAR)
110 PSI
6000 PSI (408 BAR)
6000 PSI (408 BAR)
CENTER UNIT LIFT
LEFT UNIT LIFT
RIGHT UNIT LIFT
.08 ORIFICE
120 PSI OPERATING TEMP.
(8.16 BAR)
3.95 GPM
(14.93 LITERS MIN)
.31 IN REV
200--400 PSI
(13.6--27.2 BAR)
.039 ONE--WAY ORIFICE
TEST PORT
TEST PORT
12.6:1
REAR
AXLE
3000 1600 RPM
TEST PORT
.020 ORIFICE .020 ORIFICE
TEST PORT
LOCKOUT PLUNGER
(121.3 CC
/REV
/REV)
T--1496--2
Groundsmaster 455--D