To Level Mower Housing; Side-To-Side Adjustment; Front-To-Back Adjustment; To Replace Mower Drive Belt - Craftsman EZ 917.273121 Owner's Manual

Adjust the mower while tractor
is parked
on level ground or driveway. Make sure
tires are properly inflated (See "PROD-
UC'PSPECIFICATIONS'). If tires are
over or underinflated, you will not properly
adjust your mower.
SIDE-TO-SIDE ADJUSTMENT
• Raise mower to its highest position.
• Measure height from bottom of deck
cud to ground level at front comers of
mower. Distance "A" on both sides of
mower should be the same.
• 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 3/16".
• Recheck measurements after adjusting.
Bottom Bottom
of Curl I .... ! _ of Cud
Suspension
Arm
"
DUlUrU making any necessary aajust-
ments, check that both front links are
equal in length.
• If links are not equal in length, adjust
one link to same length as other link.
• To lower front of mower housing, loosen
nut "G" on both front links an equal
number of tums.
• When distance "P is 1/8" to 1/2" lower
at front than rear, tighten nut "H" against
trunnion on both front links.
• To raise front of mower housing, loosen
nut "H" from trunnion on both front links.
Tighten nut "G" on both front links an
equal number of tums.
• When distance =P is 1/8" to 1/2" lower
at front than rear, tighten nut =H"
against trunnion on both front links.
NOTE: Each full tum of nut =G" will
change dim. =P by approximately 3/8".
• Recheck side-to-side adjustment.
Mandrel
Both Front.LinksShould be " Equalin Length
Nut "H"
Lift Link Adjustment Nut
FRONT-TO-BACK ADJUSTMENT
IMPORTANT: Deck must be level side-to-
side. If the following front-to-back adjust-
ment 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 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 "P directly in front of
and behind the mandrel at bottomedge of
mower housing as shown.
Trunnion Nut "G"
Front
Links
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL
• Park tractor on a level surface. Engage
parking brake.
• Remove screws from left hand mandrel
cover and remove cover.
• Roll belt over the top of left hand man-
drel pulley.
• Remove belt from electric clutch pulley.
• Remove belt from idler pulleys.
• Remove any dirt or grass clippings
which may have accumulated around
mandrels and entire upper deck sur-
face,
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