Service Manual User Manual

Hydraulic System
9-43
Figure 9– 30. Steering hydraulic circuit schematic.
MS0120
SPOOL
3500
PSI
65
PSI
250
PSI
INLET
25
PSI
3.0 IN
0.5 PSI
4
BYPASS TO TANK
RELIEF
VALVE
5 PSI
2500
PSI
550
PSI
PP
PPG
PB
.090
DIA
PSG
PS
P
PBG
T
650
PSI
FRONT WHEEL BRAKE
REAR WHEEL BRAKE
P
T
REAR
STEERING CYLINDER
B
A
a
b
2500 RPM
32.5 GPM
FRONT
STEERING CYLINDER
UNLOADER VALVE
AUXILIARY FUNCTION MANIFOLD
STEERING UNIT
LOAD SENSE OUT
RESERVOIR RETURN
TO BRAKE VALVE
TO/FROM
JOYSTICK
TO BRAKE VALVE
SHUTTLE IN
Model 3606 • Origin 10/99