Service Manual User Manual

Hydraulic System
9-41
Figure 9– 27. Stabil-TRAK locked 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:
4
3
1
2
E
VARIABLE
DISPLACEMENT
PUMP  32 GPM
HYDRAULIC
FILTER
TO RESERVOIR
HYDRAULIC
RESERVOIR
25 PSI
BYPASS
STABILIZER
CYLINDER
LOAD SENSE OUT
SHUTTLE IN
3500
PSI
( TO / FROM PILOT
SELECT MANIFOLD )
FTR
v
FRAME TILT SECTION OF
MAIN CONTROL VALVE
5
5
a
b
G3
FTR
G2
4
3
G1
100
PSI
2
V
1
T
A
B
2
GPM
MAX
3.0 IN
4
P
0.30 ORIFICE
MS1960
3606 Stabil-TRAK HYDRAULIC CIRCUIT
Locked Mode
CONDITIONS:
• Boom angle is above 40° .
• Park Brake is ON,
or
Service Brake applied,
or
Travel Select Lever in N.
• Boom angle is above 40°.
• Solenoid 5 is energized.
• Rear axle does not pivot.
Model 3606 • Origin 10/99