To Replace Mower Blade; Drive Belt; Front-To-Back/Side-To-Side Adjustment - Craftsman EZ3 917.271141 Owner's Manual

SIDE-TO-SIDE ADJUSTMENT
* Raise mowerto its highest position_
, At the midpointof both sides of mower,
measureheightfrom bottom edge of
mowerto ground. Distance"A" on both
sides of mowershould be the same or
within 1/4" of eachother.
o If adjustmentis necessary,make
adjustmenton one side of moweronly.
, To raiseoneside of mower,tightenlift
link adjustmentnut on that side°
, To lower oneside of mower, loosenlift
link adjustmentnut on that side.
NOTE:Eachfull turn of adjustmentnut will
change mowerheight about 1/8L
, Recheckmeasurementsafter adjusting.
Bottom
edge of Bottom ed
mower to ground mower to
_e
ound
_.._ Suspension
Arm\
2%-z
\
• - x-- ....
Lift Link Adjustment Nut
FRONT-TO-BACK ADJ U STM ENT
IMPORTANT: Deck must be level side4o
side. If the following front4o-back adjust-
ment is necessary, be sure to adjust both
front links equally so mower wilf stay level
side-to-side.
To obtain the best cutting results, the
mower housing should be adjusted so
that the front is approximately I/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.
• Before making any necessary adjust -
ments, check that 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 sarne length as other link.
o To lower front of mower loosen nut "E"
on both front links an equal number of
rums.
* When distance "D" is 1t8" to 1/2" lower
at front than rear, tighten nuts "F"
against trunnion on both front links.
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.
, Recheck side-to-side adjustment,
Both Front Unks Should be Equal in Length
Nut ,,F_.__ Nut
Front Links
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).
• Work belt off both mandrel pulleys and
idler pulleys.
,, Pull belt away from mower,
BEET INSTALLATION -
° Install new belt in reverse order of
removal.
• Make sure belt is in all pulley grooves
and inside all belt guides.
• Install mower in reverse order of
22 removal instructions_