Textron JACOBSEN R-311 69166 - Page 180

HYDROSTATIC POWER TRAIN
4203781 First Edition 5-17
5
Traction Circuit—Reverse 2WD Schematic,
Continued
Figure 5-9
1 Operating Pressure Oil to Control Valve
(Port P)
4 Case Drain Oil from Front Axle Motor 7 Charge Pressure Oil to Lift Valve
2 Charge Pressure Oil from Front Axle Motor
and 4WD Valve (Port A)
5 Charge Pressure Oil to Control Valve (Port
F) and 4WD Valve (Port C)
3 Operating Pressure Oil to Front Axle Motor
and 4WD Valve (Port B)
6 Charge Pressure Oil from Control Valve
(Port ST)
TN2327
4WD Valve
L1
11.9
ci
1
Right
Wheel
Motor
2
5.04 ci
Secondary 4WD
Shuttle Valve
3
Hydraulic
Oil Tank
4
5
4WD
Reverse
Solenoid
R1
4WD
R2
L2
B
C
Left
Wheel
Motor
11.9
ci
T
Charge Pressure
Relief Valve 160 psi
Charge Pressure
Light Switch
Primary 4WD
Solenoid
4WD
Control Valve
125 psi N.C.
Priority Valve
4.5 gpm
FCP
SW
DL
SD
P
ST
LD
Tank Check Valve
67
A
AD
BD
L
Operating Pressure Oil
Inlet or Drain Oil
Charge Pressure Oil
Metered Oil
Return Oil
Front
Axle
Motor