Sears 917.258473 Lawn Mower User Manual


 
AND ADJUSTMENTS
TO LEVEL MOWER HOUSING
Adjust the mower while tractor isparked on level ground or
driveway. Make sure tires are properly inflated (See
"PRODUCT SPECIFICATIONS" on page 3 ofthis manual).
Iftires are over or'underinflated, you will not properly adjust
your mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 19 and 20)
o Raise mower to itshighest position.
Atthe midpoint of both sides of mower, measure height
" " "on
from bottom edge ofmower toground_ D_stance A
' " " 1 4"
both stdes of mower should be the same or within /
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 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 1/8'L
Recheck measurements after adjusting.
BOTTOM EDGE BOTTOM EDGE
OF MOWER TO OF MOWER TO
GROUND GROUND
A
GROUND LINE
FIG. 19
LIFT LINK
ADJUSTMENT NUT
SUSPENSION
ARM
FIG. 20
FRONT-TO-BACK ADJUSTMENT (See Figs., 2t and 22)
IMPORTANT: DECK MUST BE LEVEL SIDE.TO-SIDE. 1F
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT tS
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 isapproximately 1/8" to
1/2" lower than the rear when the mower' is in its highest
position,
Check adjustment on right side of tractor, Measure dis-
tance "D" directly infront and behind the mandrel at bottom
edge of mower housing as shown.
° Before making any necessary adjustments, check that
both front links are equal in length., Both links should
be approximately 10-3/8'L
- If links are not equal in length, adjust one link to same
length as other link.
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.
oo, "', MANDREL
22
FIG. 21
BOTHFRONTLINKS MUSTBEEQUAL IN LENGTH
NUT
NUT "F" __:___"
FRONT LINKS TRUNNION
FIG, 22