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Craftsman 917.20378 Manual Del Operador página 23

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TO LEVEL MOWER
Ensure tires are properly inflated to the PSi
shown on tires.
If tires are over or under
inflated, it may affect the appearance of your
lawn and lead you to think the mower is not
adjusted properly.
VISUAL SIDE-TO-SIDE
ADJUSTMENT
1. With all tires properly inflated and if your
lawn appears unevenly cut, determine
which side of mower is cutting lower.
NOTE: As desired, you can raise the low
side of mower or lower the high side.
2. Go to side of mower you wish to adjust.
3. With a 3/4" or adjustable
wrench, turn
lift link adjustment nut (A) to the left to
lower the mower, or, to the right to raise
the mower.
5. Recheck measurements; adjust if neces-
sary until both sides are equal.
FRONT-TO-BACK
ADJUSTMENT
IMPORTANT:
Deck must be level side-
to-side.
To obtain the best cutting results, the mower
blades should be adjusted so the front tip
is 1/8 to 1/2" (3,1 to 12,7 mm) (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.
• Raise mower to highest position.
• Position any blade so the tip is pointing
straight forward. Measure distance "B" to
the ground at front and rear tip of blade.
Turn nut
Turn nut
right to
left to
raise
....
lower
mower
mower
NOTE: Each full turn of adjustment nut will
change mower height about 3/16" (4,7 mm).
4. Test your adjustment by mowing some
uncut grass and visually checking the
appearance. Readjust, if necessary, until
you are satisfied with the results.
PRECISION SIDE-TO-SIDE ADJUSTMENT
1. With all tires properly inflated, parktractor
on level ground or driveway.
_,CAUTION:
Blades are sharp. Protect
your hands with gloves and/or wrap blade
with heavy cloth.
2. Raise mower to its highest position.
3. At both sides of mower, position blade
at side and measure distance "A" from
bottom edge of blade to ground. The dis-
tance should be the same on both sides.
4. If adjustment is necessary, see steps in
Visual Adjustment
instructions above.
* If front tip of blade is not 1/8 to 1/2" (3,1
to 12,7 mm) lower than the rear tip, go to
the front of tractor.
* With an 11/16" or adjustable
wrench,
loosen jam nut "A" several turns to clear
adjustment nut "B".
* With a 3/4" or adjustable
wrench, turn
front link adjustment nut"B" clockwise (y-_)
(tighten) to raise the front of mower, or,
counterclockwise
(_-,) (loosen) to lower
the front mower.
23
Tighten
adjust
Loosen
adjust
nut "B"
to
nut "B" to
raise
mower
..../ z
lower
mower
Loosen jam nut "A" first
NOTE: Each full turn of adjustment nut will
change mower height about 1/8" (3,1 mm).
Recheck measurements,
adjust if neces-
sary until front tip of blade is 1/8 to 1/2"
(3,1 to 12,7 mm) lower than the rear tip.
Hold adjustment
nut in position
with
wrench
and tighten
jam nut securely
against adjustment nut.

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