To Level Mower Housing; To Replace Mower Blade Drive Belt - Craftsman 917.272464 Owner's Manual

21.5 hp, 42" mower electric start automatic transmission
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TO LEVEL MOWER
HOUSING
Adjust the mower while tractor is parked
on level ground or driveway.
Make sure
tiros are properly inflated (See "PROD-
UCT SPECIFICATIONS"
section of this
manual),
If tires are over or
underinflated,
you will not properly
adjust your mower.
SIDE-TO-SIDE
ADJUSTMENT
• Raise mower to its highest position.
• At the midpoint of both sides of mower,
measure
height from 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
adjustment
on one side o1 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 1/8".
• Recheck
measurements
after adjust-
ing.
Bottom edge of
Bottom edge of
mower to
mower to
ground _
ground
A-T_'-'_Ground
Line _'-")'-]--A
Arm
Lift Link
Adjustment Nut _
FRONT-TO-BACK
ADJUSTMENT
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
that 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
"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.
• If links are not equal in length, adjust
one link to same length
as other link.
• To lower front of mower loosen nut "E"
on both front links an equal number of
turns.
• When distance "D" is 1/8" to 1/2" lower
at front than rear, tighten nuts "F"
against trunnion on both front links.
• 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. The two front
links must remain equal in length.
• 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.
Mandrel
Both Front Links Should be Equal in Length
"E"
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
-
1. Remove
mower
from tractor
(See 'q'O
REMOVE
MOWER"
in this section
of
manual).
2.
Work belt off both mandrel
pulleys and
idler pulleys.
3.
Pull belt away from mower.
BELT INSTALLATION
-
1. Work belt around
both mandrel
pulleys
and idler pulleys
2.
Make sure belt is in all pulley grooves
and inside
all belt guides.
24

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