Ariens Sno-Thro 921 Série Manuel Du Propriétaire/Utilisateur page 29

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2
1. Adjustment Barrel
2. Jam Nut
Figure 32
5. With the attachment clutch disengaged,
check that the attachment idler arm
lightly touches the frame (Figure 33).
6. Tighten jam nut on the adjustment
barrel.
With the attachment clutch disengaged,
check the attachment idler arm position
here. The attachment idler arm should
lightly touch the frame.
Figure 33
Check Attachment Idler Arm Roller
Clearance
(Figure 34)
1. Place the unit into the service position.
Remove the bottom cover.
2. With the clutch lever engaged, check the
clearance between the frame and plastic
roller on the lower end of the attachment
idler arm.
• If roller is 1/2 –7/8 in. (12.7 – 22.2 mm)
from frame, no further adjustment is
needed.
• If roller is more than 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.
OS7182
OS7184
Roller should be 1/2 – 7/8 in.
(12.7 – 22.2 mm) from the frame when
the attachment clutch is engaged.
Check Attachment Brake
(Figure 35)
1. With the clutch lever disengaged, brake
OS7194
1
OS7188
GB - 29
OS7189
Figure 34
pad must contact attachment belts. With
clutch lever engaged, brake pad must be
more than 1/16 in. (1.6 mm) from belts. If
there is more than 1/16 in. (1.6 mm) gap,
go to Check Belt Finger Clearance on
page 30. If there is less than 1/16 in.
(1.6 mm) gap, go to step 2.
Minimum of 1/16 in.
(1.6 mm).
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1. Attachment Drive Belt
2. Brake Arm and Pad
3. Attachment Pulley
Figure 35
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