To level mower housing, Service and adjustments – Sears 917.252541 User Manual
Page 21
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SERVICE AND ADJUSTMENTS
to LEVEL MOWER HOUSING
Adjust the mower while tr actor is parked on level ground or
driveway. Make sure tires are properly inflated {See
“PRODUCT SPEC! FIC ATIONS" on page 3 of this manual).
If tires are over or underinflated, you will not properly adjust
your mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 20 and 21)
•
Raise mower to its highest position.
•
At the midpoint of both sides of mower, measure height
from bottom edge of mower to ground. Distance “A” on
both sides of mower should be the same or within 1/4"
of each other.
•
If adjustment is necessary, make adjustment on one
side of mower only.
•
To raise one side of mower, tighten lift link adjustment
nut; n 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 1/8".
•
Recheck measurements after adjusting.
BOTTOM EDGE
Of
MOWER TO
GROUND
BOTTOM EDGE
OF MOWER TO
GROUND
I
GROUND LINE
FIG. 20
FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23)
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS
NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS
EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-
SIDE.
To obtain the best cutting results, the mower housing
should be adjusted so that the front is approximately 1 /4" to
3/4" lower than the rear when the mower is in its highest
position.
Check adjustment on right side of tractor. Measure dis
tance “D" directly in front and behind the mandrel at bottom
edge of mower housing as shown.
•
Before making any necessary adjustments, check that
both front iinks are equal in length. Both links should be
approximately 10-3/8"
•
If links are not equal in length, adjust one link to same
length £ 3 other link,
•
To lower front of mower loosen nut “E” on both front
links an equal number of turns.
•
When distance “D" is 1/4" to 3/4" lower at front than
rear, tighten nuts “F” against trunnion on both front
links,
•
To raise front of mower, loosen nut “F" from trunnion on
both front links. Tighten nut “E" on both front links an
equal number of turns.
•
When distance “D" is 1/4" to 3/4" lower at front than
rear, tighten nut "F" against trunnion on both front links.
•
Recheck side-to-side adjustment.