Ariens Pro Zoom 992806 Owner's/Operator's Manual page 41

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PROBLEM
Excessive
Vibration
Uneven Cutting
Height
Blades Wear
Too Fast
Not Cutting
Clean
Streaking or
Windrow
Conditions in
Cutting Swath
PROBABLE CAUSE
1. Loose spindle/blade fasteners.
2. Blade interference with grass
buildup in deck.
3. Blades out of balance.
4. Blade(s) broken or worn badly.
5. Engine mounting bolts are
loose.
6. Engine/Idler/Blade pulley
loose.
7. Engine pulley damaged.
8. Failed spindle bearing.
1. Blades dull. 1.
2. Cutting blades bent. 2.
3. Deck not level. 3.
4. Anti-scalp not set correctly. 4.
5. Grass buildup under deck.
6. Incorrect tire pressure.
7. Blade spindle bent.
8. Ground speed too fast.
1. Cutting in sandy conditions.
2. Cutting in rocky conditions.
3. Heat treat has been removed
by sharpening with grinder.
1. Blades dull.
2. Blades installed upside down.
3. Blade RPM too slow.
4. Mower deck not level.
5. Mower tires mashing grass. 5.
6. Ground speed too fast.
6.
7. Excessive grass buildup under
deck. 7.
1. Blades dull. 1.
2. Blades installed upside down. 2.
3. Conditions too wet for mowing. 3.
4. Excessive grass buildup under
deck. 4.
5. Ground speed to fast for 5.
conditions.
CORRECTION
1. Retorque or replace as
necessary.
2. Clean the underside of the
deck.
3. Balance blades. See Blade
Maintenance on page 37.
4. Replace blades in set of three.
5. Tighten the engine mounting
bolts.
6. Tighten the pulley.
7. Contact Dealer.
8. Contact Dealer.
Sharpen or replace blades.
Install new blades.
Level deck.
Adjust height of anti-scalp
wheel.
5. Clean underside of deck.
6. Adjust psi to 12 psi rear and 20
psi front.
7. Contact Dealer.
8. Lower ground speed.
1. Increase deck mowing height.
2. Increase deck mowing height.
3. Replace blades in sets of
three.
1. Sharpen or replace blades.
2. Install blades correctly.
3. Use full throttle position.
4. Tires under inflated. See Tire
and Wheel Service on
page 36.
Too wet or lush to mow.
Reverse directions an re-mow
area.
Reduce ground speed.
Clean underside of deck.
Sharpen or replace blades.
Install blades correctly.
Allow grass to dry before
mowing.
Clean underside of deck.
Reduce ground speed.
GB -41