Ariens Sno-Thro Classic 24 Operator's Manual page 23

Check Attachment Idler Arm Roller
Clearance
1. Place unit in service position and remove
bottom cover. See Remove Bottom Cover
on page 15.
2. Engage attachment clutch and check
the clearance between the frame and
plastic roller on the lower end of the
attachment idler arm. Roller should be
12.7 – 22.2 mm (1/2 – 7/8") from the
frame. See Figure 31.
1. Attachment Idler Arm Roller
2. Frame
Figure 31
• If roller is 12.7 – 22.2 mm (1/2 – 7/8")
from frame, no further adjustment is
required.
• If roller is less than 12.7 mm (1/2") from
frame, loosen idler adjustment nut and
move idler closer to belt. Tighten
adjustment nut and recheck roller
clearance. See Figure 32.
• If roller is more than 22.2 mm (7/8")
from frame, loosen idler adjustment nut
and move idler away from belt. Tighten
adjustment nut and recheck roller
clearance. See Figure 32.
1. Attachment Belt Idler
2. Idler Adjustment Nut
Check Attachment Brake
With the attachment clutch disengaged,
1
brake pad must contact attachment belt or
pulley, whichever is closest. With attachment
clutch engaged, brake pad must be a
minimum of 1.6 mm (1/16") from belt or
pulley.
• If there is less than 1.6 mm (1/16") gap,
2 loosen idler adjustment nut and move idler
away from belt or pulley. Position idler to
achieve a 1.6 mm (1/16") minimum brake
pad gap and a 12.7 – 22.2 mm (1/2 – 7/8")
gap between the plastic roller and the
frame. See Figure 33.
IMPORTANT: If adjustments cannot be
brought into specified ranges, see your
dealer for repair.
EN - 21
2
1
Figure 32