Textron JACOBSEN GP400 - Traction Circuit-Neutral Schematic (3 WD Models)

5-20 4252490-Rev A
HYDROSTATIC POWER TRAIN
5
Traction Circuit—Neutral Schematic (3WD Models)
See Figures 5-9 and 5-10.
Figure 5-9
1 Return Oil to Steering Unit (Port P) 4 Charge Pressure Oil to Rear Wheel Motor 7 Return Oil from Right and Left Reel
Motor Case Drains
2 Return Oil to Reel Valve Unit (Port P) 5 Return Oil from Flushing Valve 8 Return Oil from Center Reel Motor
Case Drain
3 Charge Pressure Oil to Front Wheel Motors 6 Return Oil from Steering Unit (Port T) and
Lift Valve (Port T)
TN3076
Charge Pressure Oil
Inlet or Drain Oil
Traction
Pump
Suction
Strainer
Hydraulic Tank
125 Micron
Check
Valve
A
B
Engine
3400 rpm
Charge
Filter
Oil
Cooler
2 psi
Crack
Bypass
Gear
Pump
Charge
Relief Valve
150–210 psi
Tow
Valve
0.33 ci
M1
1
2
3
4
5
6
Tank Fill Cap
Assembly
0.40 ci
0.92 ci
Implement
Relief Valve
800 psi
Check
Valve
Charge Pump
M3V1
M2M4L1S
10 Micron
51 psi
Crack
Bypass
29 psi
Crack Bypass
Switch
10 Micron
Filter
7
8