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8
MOTION CONTROL ADJUSTMENT
This adjustment must be made with the drive wheels rotating.
1. Raise rear of the unit off of the ground until the tires can rotate freely. Secure the unit with jack
stands. CAUTION: Keep hands, feet and clothing away from rotating tires.
2. With the blades disengaged, and the drive levers locked securely in the thumb latches, start the
engine.
3. Move the ground speed lever to the fast position.
4. Using two 9/16” wrenches, loosen the jam nut on the bottom side of the turnbuckle on the
motion control linkages.
5. Turn the turnbuckle in the appropriate direction until the tire stops turning.
6. Holding down either or both O.P. levers, unlock the thumb latches and release the drive levers.
The tires should be rotating full speed forward.
7. Pull up on the drive levers and lock them in the thumb latches.
8. Verify that the tires stop rotating. Readjust fo necessary.
9. Tighten jam nuts on motion control linkages.
10. Repeat on the other side if necessary.
After these adjustments have been made, it may be necessary to adjust the tracking bolt and track-
ing knob. See Tracking Adjustments.