Service And Adjustments; Figure - Ariens 939001 ST520E Owner's/Operator's Manual

Ariens lawn mower user manual

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Table of Contents

IMPORTANT: DO NOT allow grease or oil to get on the

belts.

NOTE: Apply Ariens Hi-Temp Grease or equivalent to

the lubrication fittings. See SERVICE PARTS on

page 20.

Sno-Thro should be lubricated (Figure 10) at beginning

of season or every 25 operating hours.

Auger Shaft

NOTE: To grease auger shaft, remove shear bolt nuts,

and shear bolts. Apply grease at the grease zerks and

then turn the auger shaft. Replace shear bolts per

instructions in Shear Bolts on page 15.

WARNING: AVOID INJURY. Read and

understand the entire Safety section before

proceeding.

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 11).

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.