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Wheel Drive Speed Adjustment
See Figures 14 and 15.
Wheel drive speed is determined by how
deep the wheel drive lower belt rides in the
variable speed (VS) pulley. The higher the
belt rides in the VS pulley groove, the slower
the wheel drive speed. The lower the belt
rides in the VS pulley groove, the faster the
wheel drive speed. To adjust wheel drive
speed:
1. Remove upper and lower drive belt
guards. See
2. Release the tension from the wheel
drive lower belt. See
3. Loosen set screw in VS pulley.
4. To decrease wheel drive speed:
•
Rotate the pulley outer half clockwise,
moving it inward. This causes the belt
to ride higher in pulley.
To increase wheel drive speed:
•
Rotate the pulley outer half
counterclockwise, moving it outward.
This causes the belt to ride lower in
pulley.
5. Tighten the VS pulley set screw. Ensure
that set screw fully engages one of the
flats of the shaft.
6. Increase wheel drive lower belt tension.
7. Install drive belt guards.
Wheel Drive Traction Adjustment
The gap between the drive rollers and tires,
when wheel drive is disengaged determines
the amount of contact force when wheel drive
is engaged. Drive roller to wheel gap should
be 1/8 – 1/4" (3 – 6 mm).
NOTE:
A smaller gap between rollers and
tires when wheel drive is disengaged
provides for more engaged traction, which is
helpful on sloped terrain.
1. Remove upper and lower drive belt
guards. See
2. Loosen fine-adjustment knob to top end
of adjustment link. Do not remove.
3. Remove hairpin, washer and engage
plate from bell crank post.
4. Push the wheel drive frame back until
drive roller gap at wheels is 1/8 – 1/4" (3
– 6 mm). See Figure 17.
NOTE:
Holes in the engage plate allow
traction adjustments to match rear wheel
height.
5. Install nearest hole of engage plate onto
bell crank post. See Figure 16.
6. Install hairpin and washer on bell crank
post.
Figure 14
Figure 15
Flat on
Shaft
1. Wheel Drive
Upper Belt
2. Set Screw
3. VS Pulley
Outer Half
4. Wheel Drive
Lower Belt
Содержание 911707
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