Mower Drive Belt Removal - Craftsman EZ3 917.273042 Owner's Manual

20.0 hp electric start 46" mower automatic garden tractor
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TO LEVELMOWERHOUSING
Adjust the mower while tractor is parked
on level ground or driveway.
Make sure
tires are properly inflated (See "PROD-
UCT SPECIFICATIONS').
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
curl 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 tum of adjustment nut
will change mower height about 3/16".
• Recheck measurements
after adjusting.
Bottom
Bottom
of Cud
o,
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 th_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 beth front links are
equal in length.
i
f/inks
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.
• Wher_distance
=F" is 1/8" to 1/2" lower
at rfT6-nt t han r3ar, tighten nut =H" against
trunnio_ 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 "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.
Mandrel
Both F_
Length
Nut =H"_
Trunnion _
_
Nut "G"
ron
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.
Check primary idler arm and two idlers
to see that they rotate freely.
• Be sure spring is securely hooked to pri-
mary idler arm and bolt in mower hous-
ing.
24

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