Textron JACOBSEN GP400 - Page 160

5-42 4252490-Rev A
HYDROSTATIC POWER TRAIN
5
Figure 5-34
8. Install blocking disks at locations (6 and 8).
9. Open flow meter valve (7) completely before starting
engine.
Figure 5-35: Traction Pump Test—2WD Models—
Blocking Disks Blocking Oil to Wheel Motors
Figure 5-36: Traction Pump Test—3WD Models—
Blocking Disks Blocking Oil to Wheel Motors
NOTE
Verify engine rpm is within specification (3400 rpm ± 50)
to ensure accurate hydraulic test results.
10. Start engine, release park brake, and run at full
throttle (3400 rpm ± 50).
10
TN1357
9
7
6
8
TN3967
TN3104