Ariens Sno-Thro 921001 - ST824E User Manual download pdf (Page 21)

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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

2. Adjust runners to fully raised position (housing

closest to ground).

3. Reposition scraper blade flush with runners and

tighten lock nuts.

RUNNERS

Runners should be adjusted as conditions require

(Figure 24).

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

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: Keep housing level by adjusting runners

equally.

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. See SERVICE PARTS

on page 29.

Occasionally a foreign object may enter the

auger/impeller housing and jam the auger, breaking

shear bolts (Figure 25) which secure the auger to the

shaft. This allows auger to turn freely on the shaft

preventing damage to gear drive.

For Replacement:

1. Align shear bolt holes in auger with shear bolt

holes in the shaft.

2. Drive shear bolt through hole (if shear bolt was

broken this will drive remaining part from shaft).

3. Secure shear bolt with nut.

REMOTE WHEEL LOCK (921002)

If remote wheel lock does not lock or unlock:

1. Place unit in service position (see Service

Position on page 18).

2. Loosen jam nuts on cable. Make sure the bottom

jam nut is loosened enough to remove slack from

cable (Figure 26).

3. Pull the cable adjuster to remove slack between

the cable adjuster and the extension spring and

hold the cable adjuster in position while finger

tightening the top jam nut against the bracket. Do

not extend the spring or engage the mechanism.

4. Tighten the bottom jam nut.

5. Check function of remote wheel lock. If wheel

lock does not function properly, remove bottom

cover to check cable slack.

6. Repeat steps 2 – 4 while watching cable to

remove slack.

7. Check function of remote wheel lock. If wheel

lock does not function properly, take the unit to

Dealer for repairs.

SERVICE AND ADJUSTMENTS

WARNING: AVOID INJURY. Read and

understand the entire Safety section before

proceeding.

Figure 24

OS0482

1.Runner

2.Runner Hardware

Figure 25

1. Auger

2.Shear Bolts

OS7150

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 33 34

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Ariens Sno-Thro 921001 - ST824E User Manual Page 21

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