To Replace Mower Drive Belt; Mower Drive Belt Removal; Mower Drive Belt Installation - Craftsman 917.273050 Owner's Manual

• 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 adjust-
ing.
Bottom _ Bottom edge of
edge of _ ,L _ . _ mower
mower t(_ IA_=_ _\1_1 I to
ground.J---______o_/g rOund
roun, UneT""T-
FRONT-TO-BACKADJUSTMENT
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
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 "F" directly in front of
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.
• 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 turns.
• When distance "F" 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 turns.
• When distance "F" is 1/8" to 1/2" lower
at front than rear, tighten nut "H"
against trunnion on both front links.
NOTE: Each full turn of nut "G" will
change dim. "F" by approximately 3/8".
• Recheck side-to-side adjustment.
Both Front Links Should be Equal in Length
Nut
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
mandrel 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
surface.
• Check primary idler arm and two idlers
to see that they rotate freely.
• Be sure spring is securely hooked to
primary idler arm and bolt in mower
housing.
MOWER DRIVE BELT INSTALLATION
• Install belt in both idlers. Make sure
belt is in both belt keepers at the idlers
as shown.
• Install new belt onto electric clutch
pulley.
• Roll belt into upper groove of left hand
mandrel pulley.
• Carefully check belt routing making
sure belt is in the grooves correctly
and inside belt keepers.
• Reassemble left hand mandrel cover.
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