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To adjust the neutral setting for no wheel rotation
Model IZT 915055, 057, 059, 067, 501:
1. Use a hex wrench to loosen the locking bolt (Figure
12).
2. With the engine running and the drive wheels off
the ground rotate the linkage in either direction.
The correct linkage position is when the wheel is
not being driven (under power).
3. Hold the linkage in place and tighten the locking
bolt.
4. Shut off engine.
5. To reconnect the steering rod it should be
positioned through the hole in the trunnion. Two
jam nuts are above and one nyloc nut is below the
trunnion.
6. Without moving the transmission linkage turn the
first jam nut towards the trunnion until it makes
contact.
7. The nyloc nut is turned toward the trunnion until
tight.
8. Move the second jam nut to contact the first jam
nut and tighten together.
9. Reconnect parking brake pin.
Figure 12
4.10 ADJUSTING THE UNIT TO TRACK
STRAIGHT
Model EZT 915065, 502 with serial numbers above
10,000
(Figure 13)
IMPORTANT: The unit should track within 2 feet
(0.61 m) of a straight line for 30 feet (9.14 m).
The travel of the steering levers may need adjustment
if:
• The unit turns to the right or left when both steering
levers are pushed as far forward as possible.
• The unit turns to the right or left when both steering
levers are pulled back as far rearward as possible.
NOTE: The side the unit turns toward indicates that the
wheel on that side is turning slower than the other
wheel. Either the wheel that is turning faster needs to
slow down or the wheel that is turning slower needs to
be sped up to allow the unit to travel in a straight line.
See steering section for illustrations.
1. Determine which way the unit turns.
2. Tip seat forward
NOTE: The forward travel adjustment bolt adjusts for-
ward travel of the steering lever. The rear travel adjust-
ment bolt adjusts the rearward travel of the steering
lever.
3. Adjust speed by:
• Turning adjustment bolt clockwise to decrease
steering lever travel.
• Turning adjustment bolt counterclockwise to
increase steering lever travel.
Figure 13
Model EZT 915065, 502 with serial numbers below
10,000:
1. Determine which way the unit turns.
2. Move handlebars to neutral position. Handlebars
should line-up with each other. To adjust handlebar
position; loosen mounting bolts, realign and tighten
bolts.
3. Locate the stop bolts for handlebar travel.
4. Make a length adjustment of the stop bolt to either
shorten the stroke of the handlebar on the outside
of the turn, or lengthen the stroke of the handlebar
on the inside of the turn.
Model IZT 915055, 057, 059, 067, 501 with serial
numbers below 10,000:
1. Determine which way the unit turns.
2. Adjust steering levers to match. Note each
steering lever can be positioned further forward or
further backward.
1. Locking Bolt
2. Steering Rod
3. Jam Nut
4. Nyloc Nut
1
2
3
4
1
2
3
1. Forward Travel Adjustment Belt
2. Rear Travel Adjustment Belt
3. Steering Lever
OE0330