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TRACTION DRIVE CLUTCH
ADJUSTMENT
If drive slips, adjust traction clutch to
compensate for friction disc wear.
1. Loosen jam nut on traction cable
adjustment barrel. Turn adjustment
barrel down to shorten cable and
remove all cable slack.
2. With traction clutch disengaged, check
that swing gate finger touches the side
of stop hole closest to auger housing
(Figure 41).
IMPORTANT: Finger MUST touch side of
stop hole. Readjust cable as necessary until
finger touches stop hole.
ATTACHMENT DRIVE BELT
REPLACEMENT
Remove Attachment Drive Belt
(Figures 38, 39 and 40)
1. Shut off engine, remove key, disconnect
spark plug wire and allow unit to cool
completely.
2. Loosen the hardware securing belt
cover to unit.
NOTICE: DO NOT completely remove the
hardware from unit.
3. Remove belt cover.
4. Remove gear cover from top of chute
pedestal.
5. Remove spring clip pin from chute crank
and separate.
6. 920014, 020 – Remove remote deflector
control cable from control lever.
7. Remove belt finger by removing cap
screws mounting belt finger to engine
(Figure 39).
8. Remove attachment drive belt from
engine sheave (it may be necessary to
turn engine sheave using recoil starter
handle).
IMPORTANT: To avoid bending bottom cover,
when tipping unit apart, support handlebars
firmly or tip unit up on housing and remove
bottom cover by removing six cap screws
before separating unit.
9. Support Sno-Thro frame and housing.
10. Remove hex bolts securing housing to
frame (two on each side). Tip housing
and frame apart on pivot pin.
11. Separate housing from unit.
12. Remove attachment drive belt from
attachment pulley.
Replace Attachment Drive Belt
1. Place new belt onto attachment pulley
(Figure 39).
NOTICE: Engage attachment clutch lever
while connecting housing to frame to hold
brake out of the way.
2. Tip housing and frame back together
and secure with hex bolts.
3. Place belt onto engine sheave.
4. Replace belt finger.
IMPORTANT: With the attachment clutch
lever engaged, the belt finger located
opposite the belt idler must be less than 1/8"
(3.2 mm) from the belt, but not touching the
belt, or belt grabbing may occur causing
impeller to rotate while the attachment clutch
is disengaged (Figure 40).
5. Adjust clutch per Attachment
Clutch/Brake Adjustment on page 30.
6. Replace chute crank and secure with
spring clip pin.
920014, 020, 021 – Reconnect remote
deflector cable to control lever.
7. Replace gear cover on top of chute
pedestal.
CAUTION: Always support Sno-Thro
frame and housing when loosening
the cap screws holding them
together. Never loosen cap screws
while unit is in service position.
WARNING: AVOID INJURY. Auger
must stop within 5 seconds when
attachment lever is released or
serious injury or unit damage may
result.
Figure 38
1
2
3
4
1. Pinion Gear
2. Belt Cover
3. Spring Clip Pin
4. Chute Crank
5. Gear Cover
6. Chute Pedestal
6
5