Lull 644B Operation Manual - Manual (Page 17)

INSTRUMENTS AND CONTROLS
13
Oblique Steer Mode
Oblique Steer Mode
Oblique Steer mode, also known as “Crab Steer” mode,
enables steering of the front and rear wheels in the
same direction.
It is generally used to angle the machine in tight areas.
Oblique Steer mode moves the machine to the side
while moving forward or reverse.
Synchronizing ( Straightening) the Wheels
As different steer modes are selected, it is possible for
the wheels to become misaligned. It is also possible for
the wheels to drift out of alignment when traveling over
long distances or rough terrain.
To synchronize (straighten and align) the wheels:
1. Select ROUND steer mode.
Step 2
2. Turn the steering wheel to the right until it
reaches the stop.
3. Select FRONT WHEEL steer mode.
Step 4
4. Turn the steering wheel to the left about one turn.
5. Select ROUND steer mode.
6. Turn the steering wheel to the right until it
reaches the stop. This makes sure the rear
wheels are fully against right stop.
7. Select FRONT WHEEL steer mode.
Step 8
8. Turn the steering wheel to the right until it
reaches the stop.
9. Select ROUND steer mode.
Step 10
10. Turn the steering wheel to the left until wheels
are pointed straight ahead.
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