Ariens 915305 Lawn Mower User Manual


 
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1. To adjust mower height, place mower in the
number three (3) position.
2. Loosen height adjuster nuts.
3. Remove hair pins and washers holding height
adjusters to lift arm and unhook height adjusters
from lift arm.
4. Turn height adjusters
equally
clockwise to raise
mower, or
equally
counterclockwise to lower
mower. Adjust for a height of 2-3/4" from ground to
blade tip.
NOTE:
Proper blade pitch is when the blade tip, mea-
sured from the bottom surface, is 1/8" to 1/4" lower at
front of mower deck than when same tip is at rear of
mower deck.
5. Hook height adjusters onto lift arm and check for
correct height. If not correct, continue to turn height
adjusters until height is correct.
6. Tighten height adjuster nuts.
7. Secure height adjusters with washers and hair
pins.
To Adjust 42" Deck
1. Place mower in the number three (3) position.
2. Place anti-scalp rollers in highest position so they
do not touch the ground during adjustment.
3. Turn the nuts on the bottom of the adjusters
equally
until the blade tips are 2-3/4" from the
ground.
NOTE:
Proper blade pitch is when the blade tip, mea-
sured from the bottom surface, is 1/8" to 1/4" lower at
front of mower deck than when same tip is at rear of
mower deck.
4. Reset anti-scalp rollers to match desired
attachment position.
4.9 TO LEVEL MOWER
Adjust the mower while tractor is parked on level
ground or driveway. Make sure tires are properly
inflated (See Specifications). If tires are overinflated or
underinflated, you can not properly adjust your mower.
To Check Side to Side Level
1. Position unit on a smooth, flat, level surface. Set
proper tire pressure.
2. Position blade(s) side to side; measure distance of
blade tips to floor at right and left side of mower
pan. Rotate blade(s) 180
o
and check again. The
measurement should be equal within 1/16 inch
side to side.
NOTE:
To make measuring distance from blade to
ground easier, obtain a wood block about 1 inch square
by 5 inches long. Wrap the entire block with masking
tape. Hold block in vertical position with its lower tip on
ground. Push block against cutting edge of blade so as
to make a mark on tape. Pull the block away and with a
ruler measure the distance from lower block tip to
mark.
To Adjust Side to Side Level (48" Deck)
1. Loosen height adjuster nuts.
2. Remove hair pins and washers holding height
adjusters to lift arm and unhook height adjusters
from lift arm.
3. On low side: Turn height adjuster nut clockwise on
low side of mower pan to raise low side. Raise low
side one half the measured difference in height
between the low side and the high side. On high
side: Turn height adjuster nut counterclockwise to
lower high side the other one half of the height
difference.
4. Hook height adjusters onto lift arm and check side
to side level. If not level, continue to turn height
adjusters until deck is level side to side.
5. Tighten height adjuster nuts.
6. Secure height adjusters with washers and hair
pins.
To Adjust Side to Side Level (42" Deck)
1. Place anti-scalp rollers in highest position so they
do not touch the ground during adjustment.
2. Put height adjustment lever in the number three (3)
position.
3. With a 1/2" open-end wrench, adjust the nuts on
the bottom of the adjuster link until each end of the
blade is 2-3/4" from the ground within 1/16".
4. Reset anti-scalp rollers to match desired
attachment position.
1. Mower Deck
2. Blade
3. Front Blade Height
4. Ground Level
5. Cutting Height
OT0860
Figure 10
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2
3
4
(Shown from front)
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