Ariens Sno Thro 939003 ST520E Snow Blower Owners Manual

SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
2
1
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:
2
1.
2.
3.
Tip unit back onto handlebar, support housing
and loosen nuts retaining blade.
1.
2.
Auger
Shear Bolts
Adjust runners to fully raised position (housing
closest to ground).
Figure 12
Reposition scraper blade flush with runners and
tighten lock nuts.
For Replacement:
1.
2.
3.
Align shear bolt holes in auger with shear bolt
holes in the shaft.
RUNNERS
Runners should be adjusted as conditions require
(Figure 11).
Drive shear bolt through hole (if shear bolt was
broken this will drive remaining part from shaft).
1.
2.
Position unit on a hard, flat, smooth level surface.
Secure shear bolt with nut.
Adjust runners by inserting a spacer of desired
thickness under center of scraper blade, loosen
runner hardware, slide runners to flat surface.
Allow 1/8 in. (3 mm) between scraper blade and
hard smooth surfaces. Allow 1-1/4 in. (30 mm)
between scraper blade and uneven or gravel
surfaces. Retighten hardware.
NOTE: DO NOT overtighten the shear bolt. Tighten
shear bolt to 5.8 – 12.2 lbf-ft (7.9 – 16.5 N•m).
DISCHARGE CHUTE DEFLECTOR
Deflector must stay in selected position while throwing
snow.
To adjust, loosen then retighten hardware to desired
deflector drag force (Figure 13).
NOTE: Keep housing level by adjusting runners
equally.
Adjusting
Hardware
2
Discharge Chute
Deflector
1
1.
2.
Runner
Runner Hardware
OS0482
Figure 13
Figure 11
OS1113
SHEAR BOLTS
IMPORTANT: Use only Ariens shear bolts for
replacement. Use of any other type of shear bolt may
result in severe damage to unit.
Occasionally a foreign object may enter the
auger/impeller housing and jam the auger, breaking
shear bolts (Figure 12) which secure the auger to the
shaft. This allows auger to turn freely on the shaft
preventing damage to gear drive.
GB - 17
Product Specification
CategoriesAriens Snow Blower Manuals, Snow Blower Manuals
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- 25 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandAriens, Snow Blower
Document File TypePDF
Publisherariens.com
Wikipedia's PageAriens
CopyrightAttribution Non-commercial
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