Adjustments - Ariens Sno-Thro ST724 Operator's Manual

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A
DJUSTMENTS
WARNING
ACCIDENTAL ENGINE START UP can
cause death or serious injury. ALWAYS
stop engine, remove key, wait for moving
parts to stop and remove wire from spark
STOP
OL0864
plug before adjusting or servicing.
Discharge Chute Deflector
To adjust, loosen then retighten hardware to desired
deflector drag force.
Discharge Chute
If Chute does not stay in position while operating, tighten
nut on carriage bolt at pivot point to increase tension on
spring (Figure 14).
Smooth and easy rotation of properly lubricated chute
with crank (without binding) is obtained by adjusting
pinion and flat gear teeth so they mesh together.
Adjust, using adjustment slots in pinion bracket which is
secured to chute strap.
5
4
2
8
9
10
1. Carriage Bolt
2. Spring
3. Pinion Bracket
4. Pinion
5. Chute Strap
6. Flat Gear
Figure 14
20
3
1
6
7
11
7. Gear Strap
8. Mounting Nut
9. Chute Ring
10. Lower ring
11. Retainer Clip
DS0111
Ariens
932 Series Sno-Thro
®
The chute bracket and gear strap are also slotted for
vertical adjustment of the discharge chute. Loosen
mounting nut and move discharge chute up or down so
that chute ring is approximately centered between
retainer clip and lower ring. Retighten.
Runners
Runners should be adjusted as conditions require.
Raising or lowering runners controls distance scraper
blade (auger/impeller housing) is held above surface
being cleared.
1. Position unit on a hard, flat, smooth level surface.
2. Adjust runners by inserting a spacer of desired
thickness under center of scraper blade, loosen
hardware, slide runners to flat surface (Figure 15).
Allow 1/8" (3mm) between scraper blade and hard
smooth surface. Allow 1 1/4" (30mm) between
scraper blade and uneven surface(s).
3. Retighten hardware.
NOTE: Keep housing level by adjusting runners equally.
Uneven runners make unit difficult to steer and results in
uneven clearing.
1
2
1. Runner
2. Runner Hardware
Figure 15
Scraper Blade
IMPORTANT: Damage to auger/impeller housing will
result if blade wears down too far.
Scraper blade is adjustable to compensate for wear.
To adjust scraper blade:
1. Tip unit back onto handlebar, support housing and
loosen nuts retaining blade. With runners adjusted to
their full up position, reposition scraper blade down,
flush with runners, and tighten lock nuts.
®
OS0480
Orig. 6/99

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