Adjust Traction Drive Clutch - Ariens Sno-Thro 926038 - Pro 28 Operator's Manual

• 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 27.
• 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 27.
Check Attachment Brake
With the attachment clutch disengaged,
brake pad must contact attachment pulley.
With attachment clutch engaged, brake pad
must be a minimum of 1.6 mm (1/16") from
pulley.
• If there is less than 1.6 mm (1/16") gap,
loosen idler adjustment nut and move idler
away from belt. 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 27.
IMPORTANT: If adjustments cannot be
brought into specified ranges, see your
dealer for repair.
Measure
here.
2
1. Brake Arm and Pad
2. Attachment Pulley
Figure 27
Check Belt Finger Clearance
See Figure 28.
With attachment clutch engaged, the belt
finger located opposite the belt idler must be
less than 3.2 mm (1/8") from belts, but must
not touch the belts.
1
EN - 19
To adjust belt finger:
1. Remove belt cover.
2. Loosen bolts and move belt finger to
correct position.
3. Tighten bolts and recheck belt finger
clearance.
4. Reinstall belt cover and tighten hardware.
Figure 28
ADJUST TRACTION DRIVE
CLUTCH
See Figure 29.
If unit does not drive correctly, adjust traction
clutch to compensate for friction disc wear.
1. Stop engine, remove key and wait for all
moving parts to stop and for hot parts to
cool.
2. Disconnect spark plug wire.
3. Loosen jam nut on traction cable
adjustment barrel, and then turn
adjustment barrel down to shorten cable
and remove cable slack.
Measure
here.