Craftsman 917.270512 Lawn Mower User Manual


 
TO LEVEL MOWERHOUSING
Adjustthe mowerwhiletractor is parked
on level groundor driveway. Make sure
tires are properlyinflated(See "PROD-
UCT SPECIFICATIONS"). If tires are
overor underinflated,youwill not propedy
adjust your mower.
SIDE-TO-SIDEADJUSTMENT
Raise mower to its highestposition.
At the midpoint ofboth sidesof mower,
measure heightfrom 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 adjust-
ment 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 I18".
Bottom , - - , Bottom
ofcu. - Qfcu.
equal in length. Both links shouldbe
approximately10-3/8".
If linksare not equal in le_gth,_just--
one linkto same length as othei:link.
To lower front of mower loosen nut=E"
on bothfront linksan equal numberof
turns.
When distance"D" is 1/8"to 1/2" lower
at frontthan rear, tighten nuts=F"
againsttrunnionon bothfront links.
To raise front of mower, loosen nut"F"
from trunnionon both front links.
Tighten nut "E" on both front linksan
equal number o.ftums.
When distance=D"is 1/8"to 1/2" lower
at front than rear,_tightennut "F" against
trunnionon both front links.
Recheckside-to-side adjustment.
. - Mandrel
Both Front Links Should be Equal in Length
Suspension
Arm
Nut "F"
Nut =E"
Lift Link Adj Nut
Recheck measurements after adjusting.
:RONT-TO-BACK ADJUSTMENT
MPORTANT: Deck must be level side-to-
_ide. If the followingfront-to-back adjust-
nent is necessary, be sure to adjust both
ront links equally so mower will stay
evel side-to-side.
ro obtain the best cutting results, the
nower housing should be adjusted so that
he front is approximately 1/8" to 1/2"
:}wer than the rear when the mower is in
:s highest position.
;heck adjustment on fight side of tractor.
/leasure distance "D" directly in front and
)ehind the mandrel at bottom edge of
nower housing as shown.
Before making any necessary adjust-
ments, check that both front links are
Trunnion
22
Front Links Trunnion
TO REPLACE MOWER BLADE DRIVE
BELT (See Illustration Next Page)
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).
Work belt off both mandrel pulleys a_l
idler pulleys.
Pull belt away from mower.