Craftsman 917.258452 Owner's Manual page 20

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SERVICE A
ADJUST
ENTS
TO LEVEL MOWER
HOUSING
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).
If tires are over or underinflated, you wilt not properly adjust
your mower.
SIDE-TO-SIDE
ADJUSTMENT
(See Figs. 17 and 18)
,
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 I/4"
of each other.
FRONT-TO-BACK
ADJUSTMENT
(See Figs,
19 and 20)
IMPORTANT:
DECK MUST BE LEVEL SiDE-TO-SIDE.
IF
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 is approximately 1/8" to
1/2" iower 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.
If adjustment is necessary, make adiustment 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: Three full turns of adjustment
nut wilt change
mower height about t/8".
-
Recheck measurements
after adjusting.
BOTTOM EDGE
BOTTOM EDGE
OF MOWER TO
OF MOWER TO
GROUND
GROUND
GROUND LINE
FIG. 17
SUSPENSION
ARM
LIFT LINK
ADJUSTMENT
NUT
FiG. 18
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 fength, adjust one link to same
}ength as other link.
,
To lower front of mower loosen nut "E" on both front
links an equal number of turns.
o
When distance "D" is 1/8" to 1/2" lower at front than
rear, tighten nuts "F" against trunnion on both front
finks.
To raise front of mower, loosen nut"F" from trunnion on
both front links. Tighten nut "E" on both front Iinks an
equal number of turns.
When distance "D" is !/8" to 1/2" lower at front than
rear, tighten nut "F" against trunnion on both front links.
Recheck side4o-side adjustment.
FIG. 19
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
J
NUT "E"
FRONT LINKS
TRUNNION
20
FiG. 20

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