5-46 4252490-Rev A
HYDROSTATIC POWER TRAIN
5
16. Open flow meter valve completely before starting
engine.
Figure 5-42: Left Front Wheel Motor Test—2WD
Models—Front Wheels Restrained
Figure 5-43: Left Front Wheel Motor Test—3WD
Models—Front Wheels Restrained
NOTE
Verify engine rpm is within specification (3400 rpm ± 50)
to ensure accurate hydraulic test results.
17. Start engine, release park brake, and run at full
throttle (3400 rpm ± 50).
18. Adjust flow lock tool (1) to allow pump to produce 7
gpm (27 lpm) in the forward direction.
19. Use the flow meter to warm the hydraulic oil. Turn
flow meter valve until a reading of 1000 psi (69 bar)
is reached. Warm the oil to 120–150° F (49–65° C);
open valve fully after operating temperature is
reached.
20. After warming the hydraulic oil, verify flow lock tool is
adjusted to allow pump to produce 7 gpm (27 lpm) in
the forward direction.
21. Slowly close flow meter valve until a reading of
2500 psi (172 bar) is reached. Read and record
loaded flow.
TN3969
TN3106
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