Sears 917.25958 Lawn Mower User Manual


 
$ERVJCE ADJUSTMENTS
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TO LEVEL MOWER HOUSING FRONT-TO-BACK ADJUSTMENT (See Figs. 21 and 22)
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.
Adjust the mower while tractor is parked on level ground or
driveway. Make sure tires are properly inflated (See
"PRODUCT SPECIFICATIONS" on page 3 of this manual).
Iftires are over or underinflated, you wilt not properly adjust
your mower.
SIDE_TO-SIDE ADJUSTMENT (See Figs. 19 and 20)
. 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 ad ustment is necessary, make adjustment on one
s de of mower on y.
To raise one side Ofmower, tighten lift link adjustment
nut on that side_
, To lower one side of mower, loosen lift link adjustment
nut on that side.
To obtain the best cutting results, the mower housing
should be adjusted sothat the front is approximately 1/8" to
1/2" lower than the rear when the mower is in its highest
position.
NOTE: Each full turn of adjustment nut will change mower
height about 1/8'L
o Recheck measurements after adjusting.
BOTTOM EDGE
BOTTOM EDGE OF MOWER TO
OF MOWER TO GROUND
GROUND
--GROUND LINE--
FIG, 19
SUSPENSION
ARM
LIFT LINK
ADJUSTMENT NUT
FIG. 20
Check adjustment on right side of tractor. Measure dis-
tance "O" directly in front and behind the mandrel at bottom
edge of mower housing as shown_
Before making any necessary adjustments, checkthat
both front links 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 as other link.
o To lower front of mower loosen nut "E" on both front
links an equal number of turns.
When distance "D" is 1/8" to 1/2" 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 1/8" to 1/2" lower at front than
rear, tighten nut"F" against trunnion on both front links.
Recheck side-to-side adjustment.
FIG. 21
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
NUT "F"_'_
FRONT_ _
LINKS
NUT "E"
TRU _INION
22 FIG. 22