To Level Mower Housing; To Replace Mower Drive Belt; Side-To-Side Adjustment; Front-To-Back Adjustment - Craftsman 917.272244 Owner's Manual

20.0 hp electric start 48" mower automatic lawn tractor
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TO LEVEL MOWER HOUSING
Adjust the mower while tractor is parked
on level ground or driveway. Make sure
tires are properly inflated (See =PROD-
UCT SPECIFICATIONS" section of this
manual), If tires are over or
undednflated, you will not pmperiy adjust
your mower.
SIDE-TO-SIDE ADJUSTMENT
• Raise mower to its highest position.
• Measure height from bottom edge of
mower to ground level at front comers
of mower. Distance "A" on both sides
of mower should be the same.
• If ad ustment is necessary, make
adjustment on one side of mower on y.
• To raise one side of mower, tighten Lift
link adjustment nut on that side.
• To lower one side of mower, loosen lift
link adjustment nut on that side.
NOTE:
Each full turn of adjustment nut
will change mower height about 3/16".
• Recheck measurements after adjust-
ing.
Bottom Edgeof
Bo_omEdgeot
Mower
to Ground
Mower
to Ground
\
/
(_k
Suspension
Arm
Lift Link
Adjustment
Nut
FRONT-TO-BACK ADJU STMENT
IMPORTANT: Deck must be level side-to-
side. If the following front-to-back
adjustment is necessary, be sure to adjust
both frontlinks equally so mower will stay
level side-to-side,
To obtain the best cutting results, the
mower blades should be adjusted so the
front tip is approximataiy 1/8" to 1f2" lower
than the rear tip when the mower is in its
highest position.
CAUTION: Blades are sharp. Protect
your hands with gloves and/or wrap
blade with heavy cloth.
Check adjustment on right side of tractor.
Position any blade so the tip is pointing
straightforward. Measure distance "B"at
front and rear tip of blade.
• Before making any necessary adjust-
ments, check that both frontlinks are
equal in length.
• If linksare not equal in length, adjust
one link to same length as other link.
• To lower front of blade, loosen nut "C"
on both front links an equal number of
turns.
NOTE: Each full turn of nut"C ° will
change dim. "B" by approximately3/16".
• When distance "B" is 1/8" to 1/2" lower
at front than rear, tighten nut"D"
against trunnion on both front links.
• To raise front of blade, loosen nut "D"
from trunnion on both front links.
Tighten nut "C" on both front links an
equal number of turns.
• When distance "IS"is 1/8• to 1/2" lower
at front than rear, tighten nut "D"
against trunnion on both front links.
• Recheck side-to-side adjustment.
BOTH FRONT LINKS MUST BE EQUAL
IN LENGTt-I
- NUt "C"
Front Plate
Trunnion
Assemb)y
TO REPLACE
MOWER
DRIVE BELT
MOWER DRIVE BELT REMOVAL
t.
Park tractor on a level surface.
Engage parking brake.
2. Lower mower to its lowest position.
3. Disengage belt tension rod from lock
bracket,
23

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