Textron Jacobsen AR-5 - Page 135

HYDROSTATIC POWER TRAIN
4181383 First Edition 5-7
5
Traction Circuit—Reverse Schematic
See Figure 5-4.
Figure 5-4
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
TN1375
Operating Pressure Oil
Charge Pressure Oil
Return Oil
Metered Oil
Supply/Inlet Oil
Gear Pump
0.88 ci
Supply 0.28”
Displacement
Control Valve
3625 psi
Hydrostatic
Traction
Pump
Tow Valve
1
2
3
2850 ±50 RPM
0.88 ci
0.5 ci
3625 psi
Drain 0.31”
285 psi
2.81 ci
0.85 ci
B
A
0.050”
Orifice
Hydraulic
Oil Cooler
Four Wheel
Drive Valve
100
Mesh
Screen
G
C
B
A
I
F
E
D
25 psi
Crack
Bypass
Hydraulic
Oil Tank
25 psi
Crack
Bypass
Return Oil
Filter
Left Front
Wheel Motor
Right Front
Wheel Motor
Right Rear
Wheel Motor
Left Rear
Wheel Motor
H
10
Micron