Service Manual User Manual

Hydraulic System
9-21
Figure 9– 12. Brake system circuit schematic.
2500 RPM
32.5 GPM
T
SPOOL
3500
PSI
65
PSI
250
PSI
INLET
25
PSI
3.0 IN
4
BYPASS TO TANK
RELIEF
VALVE
5 PSI
2500
PSI
550
PSI
PPG
PB
.090
DIA
PSG
PS
P
PBG
T
650
PSI
FRONT WHEEL BRAKE
REAR WHEEL BRAKE
PARK BRAKE
AUXILIARY FUNCTION MANIFOLD
UNLOADER VALVE
BRAKE VALVE
LOAD SENSE OUT
FROM MAIN CONTROL VALVE
RESERVOIR (“TANK” )
RETURN LINE
0.5 PSI
SHUTTLE
VALVE
FROM
STEERING UNIT
TO MAIN
CONTROL VALVE
TO MAIN
CONTROL VALVE
TO JOYSTICK
P P
MS0090
Model 3606 • Origin 10/99