Lull 944E-42, Service Manual

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8.163 Model 644E-42/944E-42 Rev. 6/04
Hydraulic System
8.9 STEER INDEXING PROCEDURES
8.9.1 Four-Wheel Steer Indexing Procedure
If the vehicle does not drive “straight,” the steering could
be out-of-phase. Perform the following Four Wheel Steer
Indexing Procedure to synchronize the front and rear
steering.
1. Select the four wheel steer mode (2) with the steer
mode selector (3).
2. Turn the steering wheel (4) all the way to the right
until it reaches the stop.
3. Select the front wheel steer mode (5) with the steer
mode selector (3).
4. Turn the steering wheel (4) to the left, about one
complete revolution.
5. Select the four wheel steer mode (2) with the steer
mode selector (3).
6. Turn the steering wheel (4) all the way to the right
until it reaches the stop. This will ensure the rear
wheels are fully against the right stop.
7. Select the front wheel steer mode (5) with the steer
mode selector (3).
8. Turn the steering wheel (4) all the way to the right
until it reaches the stop.
9. Select the four wheel steer mode (2) with the steer
mode selector (3).
10. Turn the steering wheel (4) to the left, until the
wheels are pointing straight ahead.
11. Drive the vehicle forward a short distance to check
the wheel tracking.
The vehicle should now be properly indexed in Four
Wheel Steering. If the wheels are still out-of-phase,
repeat the above procedure. If, after repeating the above
procedure, the wheels are still out-of-phase, refer to
Section 8.8.32, “Four-Wheel Steering Circuit (Left Turn)
& Troubleshooting,” and Section 8.8.33, “Four-Wheel
Steering Circuit (Right Turn) & Troubleshooting.”
MU0870
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