Service Manual User Manual

Hydraulic System
9-37
Figure 9– 25. Free pivot mode hydraulic circuit.
FRAME TILT
CYLINDER
FTR
FTB
0.60 ORIFICE
100 PSI
CARTRIDGE
MAIN CONTROL VALVE
(located on valve plate under rear cover)
FRAME TILT
SECTION OF
MAIN CONTROL
VALVE
INLET
SOLENOID #s:
5
4
3
1
2
5
0.30 ORIFICE
VARIABLE
DISPLACEMENT
PUMP • 32 GPM
HYDRAULIC
FILTER
TO RESERVOIR
HYDRAULIC
RESERVOIR
25 PSI
BYPASS
STABILIER
CYLINDER
LOAD SENSE OUT
SHUTTLE IN
3500
PSI
( TO / FROM PILOT
SELECT MANIFOLD )
FTR
v
FRAME TILT SECTION OF
MAIN CONTROL VALVE
1
a
b
G3
FTR
G2
4
3
G1
100
PSI
V
T
A
B
2
GPM
MAX
3.0 IN
4
P
2
MS1940
3606 Stabil-TRAK HYDRAULIC CIRCUIT
Free Pivot Mode
CONDITIONS:
• Boom angle is below 40°.
• Rear axle pivots freely.
• Solenoids 1 and 2 energized.
• Park Brake and
Service Brake OFF.
• Travel Select Lever in (F) FORWARD or (R) REVERSE.
Model 3606 • Origin 10/99