Craftsman 917.270742 Owner's Manual page 23

TO LEVEL MOWER HOUSING
Adjust the mower while tractor is parked
on level ground or driveway. Make sure
tires are properly inflated (See "PROD-
UCT SPECIFICATIONS" section of this
manua!)_ If tires are over or
underinfiated, you will not properly
adjust your mower,
SIDE-TO-SIDE ADJUSTMENT
o 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.
o If adjustment is necessary, make
adjustment on one side of mower onlyo
° To raise one side of mower, tighten lift
link adjustment nut on that side.
o 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 adjust-
ing.
Bottom edge of Bottom edge of
mower to mower to
ground "\\_ ground
S_n Arm
LiftjuL_tnke n t _--
FRONT-TO-BACK ADJUSTMENT
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 1/8" to 1/2"
lower than the rear when the mower is in
its highest position,
Check adjustment on right side of tractor.
Measure distance "D" directly in front
and behind the mandrel at bottom edge
of mower housing as shown,
o Before making any necessary adjust-
ments, check that both front links are
equal in length. Both links should be
approximately 10-3/8L
23
o 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 tinks_.
o 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_
o When distance "D" is 1/8" to 1/2" lower
at front than rear, tighten nut "F"
against trunnion on both front links,
o Recheck side-to-side adjustment.
Both Front Links Should be Equal in Length
f
Nut "__
Trunnion
Front
Nut "E"
TO REPLACE MOWER BLADE
DRIVE BELT
The mower blade drive belt may be
replaced without tools. Park the tractor
on level surface. Engage parking brake.
BELT REMOVAL -
• Remove mower from tractor (See "TO
REMOVE MOWER" in this section of
this manual).
o Work belt off both mandrel pulleys and
idler pulleys.
• Pull belt away from mower.