HYDROSTATIC POWER TRAIN
4181384 First Edition 5-5
5
Traction Circuit—Forward Schematic
See Figure 5-3.
Figure 5-3
1 Operating Pressure Oil to
Cutting Unit Drive Motors
3 Charge Pressure Oil from
Cutting Unit Drive Motors
2 Operating Pressure Oil from
Mow Circuit
4 Return Oil to Steering Circuit
TN1185
Operating Pressure Oil
Charge Pressure Oil
Return Oil
Mow and Brake
Valve
M2
MP
BR
DR1
DR
M1
CP
Load
Control
Valve
Relief
Valve
Brake
Solenoid
Valve
Mow
Solenoid
Valve
1
2
3
4
Park Brake
Release Valve
Hydraulic
Oil Filter
Front
Wheel Motors
Rear
Wheel Motor
Flushing
Valve
Hydrostatic
Transmission Pump
Check Valve
M1
M2
B
A
L1
E
L2
M3
System
Relief Valves
Charge
Pressure
Relief
Valve
RW1
RW2
PP
DR
Tow
Valve
Check
Valve
Oil Cooler
Hydraulic Oil Tank
Metered Oil
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