HYDROSTATIC POWER TRAIN
4203780 First Edition 5-17
5
Traction Circuit—Reverse 2WD,
Differential Unlocked 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)
3 Operating Pressure Oil to Front Axle Motor
and 4WD Valve (Port B)
6 Charge Pressure Oil from Control Valve
(Port ST)
TN1725
4WD Valve
L1
11.9
ci
1
Right
Wheel
Motor
2
2.48 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 250 psi
Charge Pressure
Light Switch
4WD Solenoid
4WD
Differential Lock
Control Valve
125 psi N.C.
Differential
Lock Solenoid
Priority Valve
4.5 gpm
FCP
SW
DL
SD
P
ST
LD
Tank Check Valve
6
7
A
AD
BD
L
Operating Pressure Oil
Free Flowing or Drain Oil
Charge Pressure Oil
Metered Oil
Return Oil
Front
Axle
Motor
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