Textron Jacobsen AR-5 - Page 133

HYDROSTATIC POWER TRAIN
4181383 First Edition 5-5
5
Traction Circuit—Forward Schematic
See Figure 5-3.
Figure 5-3
1 Operating Pressure Oil to Deck Valve Port P2 2 Operating Pressure Oil to Deck Valve Port P1 3 Operating Pressure Oil to Steering Unit
TN1374
Operating Pressure Oil
Charge Pressure Oil
Return Oil
Gear Pump
0.88 ci
Supply 0.28”
0.050”
Orifice
Displacement
Control Valve
3625 psi
Hydraulic
Oil Cooler
Four Wheel
Drive Valve
100
Mesh
Screen
Hydrostatic
Traction
Pump
G
C
B
A
I
F
E
D
Tow Valve
25 psi
Crack
Bypass
Hydraulic
Oil Tank
Metered Oil
Supply/Inlet Oil
25 psi
Crack
Bypass
Return Oil
Filter
Left Front
Wheel Motor
Right Front
Wheel Motor
Right Rear
Wheel Motor
Left Rear
Wheel Motor
H
1
23
2850 ±50 RPM
0.88 ci
0.5 ci
3625 psi
Drain 0.31”
285 psi
2.81 ci
0.85 ci
B
A
10
Micron