Ariens Sno-Thro 921010-ST27LE Owner's/Operator's Manual page 21

• If roller is more that 7/8 in. (22.2 mm)
from frame, loosen idler adjustment
nut and move idler away from the belt,
tighten adjustment nut and recheck
roller clearance.
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Roller should be 1/2 – 7/8 in. (12.7 – 22.2
mm) from the frame when the attachment
clutch is engaged.
Figure 22
Adjust the Attachment Clutch Cable
Spring Extension
1. Check the attachment clutch cable
spring extension.
Measure the length of the attachment
clutch cable spring with the clutch lever
disengaged.
Then measure the attachment clutch
spring with the clutch lever engaged.
See Figure 23.
• If spring extension is within the
specified range, go to Check
Attachment Brake on page 22.
• If spring extension is outside of
specified range, go to step 2.
2. Adjust cable length (see Figure 23).
a. Loosen jam nut on cable.
b. To increase spring extension
adjust barrel down the cable and
tighten jam nut.
c. To decrease spring extension
adjust barrel up the cable and
tighten jam nut.
3
4
1. Engine Sheave
2. Attachment Drive Belts
3. Belt Finger
4. Attachment Belt Idler
5. Attachment Idler Adjustment Nut
GB - 21
1/2 – 9/16 in.
(12.7 –- 14.3 mm)
Figure 23
2
1
5
Figure 24
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