Textron Jacobsen SLF530 - Page 165

HYDROSTATIC POWER TRAIN
673831-Rev A 5-39
5
Figure 5-30: 4WD Hydrostatic Powertrain Instrument Test Data Sheet
MAR0146
4WD Hydrostatic Powertrain Instrument Test Data Sheet
Relief Valve Tests
Traction Pump Flow Tests
4WD System Flow Tests
Charge Relief Valve
Forward Traction Relief Valve
Reverse Traction Relief Valve
(15 gpm – Step 12 Result)
15 gpm
X 100Traction Pump Flow Leakage =
Traction Pump Flow Leakage =
(Tractoin Pump Step 12 Result – Step 17 Result)
Traction Pump Step 12 Result
X 1004WD Solenoid Valve Leakage =
4WD Solenoid Valve Leakage =
(Step 17 Result – Step 31 Result)
Step 17 Result
X 100Left Front Motor Flow Leakage =
Left Front Motor Flow Leakage =
(Step 31 Result – Step 39 Result)
Step 31 Result
X 100Right Front Motor Flow Leakage =
Right Front Motor Flow Leakage =
(Step 39 Result – Step 49 Result)
Step 39 Result
X 100Left Rear Motor Flow Leakage =
Left Rear Motor Flow Leakage =
(Step 49 Result – Step 59 Result)
Step 49 Result
X 100Right Rear Motor Flow Leakage =
Right Rear Motor Flow Leakage =
psi
psi
psi
200 psi (13.8 BAR)
4060 psi (280 BAR)
4060 psi (280 BAR)
Actual Valve Setting