Service Manual

Page 9 -- 3
Hydraulic Schematic
Groundsmaster 3500--D
All relays and solenoids
are shown as de--energized.
(Units Prior to Serial No. 314000001)
TRACTION WHEEL MOTORS
FORWARD
TOP PORT
INTERNAL CASE DRAIN
M6
M5
M4
MANIFOLD
BLOCK
OIL
COOLER
FILTER
OIL
T1
P1 CHG ST CR CF
PUMP
GEAR
P1
P2
STRAINER
LV
G2
P
T
E
OUT
IN
LV
LC1
S1
3200 psi
T2
G1
M2
BV
1500 psi
S.W.
BULKHEAD
PLATE
D1 M1
AB C
M1
M2
M3
D
LIFT/S.W. VAL VE
1000 psi
POWER STEERING VALVE
STEERING
SIDEWINDER
L
R
250 psi
V1
BACK
PRESSURE
LEFT
RIGHT
REAR
DECK
DECK
DECK
REAR FRONT
LIFT
200--300 ps i
3500 psi
100--150 ps i
UPPER
PORT
LOWER
PORT
HYDROSTAT
BY--PASS
VALVE
P3
G2 G1