Table of Contents
Advertisement
b.Slide pulley and key to desired
position.
c. Tighten set screws.
3. Reinstall belt cover.
4. Adjust cable slack.
IMPORTANT: The belt cover must be installed
and the clutch cable must be slack when the
lever is disengaged.
a.With clutch lever disengaged, loosen
jam nut on cable adjuster.
b.Turn adjuster body to remove all slack
from the cable. Do not stretch spring
or move lower clutch arm.
c. Turn back the adjuster body 5 turns
(approximately 1/4 in or 6 mm). Finger
tighten jam nut.
d.Hold adjuster body with pliers and
tighten jam nut with wrench.
5. Check spring length.
a.Measure the length of the clutch cable
spring.
b.Engage and hold the attachment
clutch lever.
c. Measure the length of the spring
again. The spring stretch should be
7/16–11/16 in (11.1 - 17.5 mm) longer
when the lever is engaged.
6. Adjust spring length.
NOTE: Approximately 1/8 in (3 mm)
movement of the idler will change spring
extension by 1/8 in (3 mm).
a.Loosen the idler adjustment nut.
b.To increase spring extension, move
idler towards belt (Figure 11).
c. To decrease spring extension, move
idler away from belt.
d.Tighten idler adjustment nut.
7. Repeat steps 4–5 until:
Spring stretch is correct.
8. Check belt finger clearance (Figure 11).
With clutch lever engaged, belt fingers
should be 1/16– 1/8 in (1.6 –3 mm) from
belt. Adjust belt fingers as necessary.
9
8
1.Attachment
Clutch Cable
2.Cable Adjuster
3.Jam Nut
4.Clutch Cable
Spring
5.Lower Clutch Arm
TRACTION DRIVE CLUTCH
ADJUSTMENT
If drive slips, adjust traction clutch to
compensate for friction disc wear.
To adjust traction clutch:
1. Shut off engine and allow unit to cool
completely.
2. Place speed selector in first (1) position.
3. With traction clutch disengaged turn
wheels while tightening adjustment nut at
clutch yoke (Figure 10).
4. Engage and release traction clutch.
5. Turn wheels to check for slight drag.
6. Repeat steps 3 - 5 until wheels begin to
drag.
7. Turn adjustment nut back three turns.
Wheels will then turn freely.
DRIVE CHAIN
Chain should be taut with little or no play.
To adjust tension in drive chain (Figure 12):
1. Follow the instructions for removing the
brush attachment from the unit frame
under Service Position.
GB - 18
7/16–11/16 in
(11.1-17.5 mm)
10
4
6
5
7
6.Shift Arm
7.Cotter Pin and
Washer
8.Adjustment Nut
9.Traction Drive
Clutch Cable
10.Shift Rod
Figure 10
2
3
1
OS3040
Advertisement
Table of Contents
