Craftsman 486.24839 Owner's Manual page 14

40"- 2 stage snow thrower tractor attachment
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Tilt the snow thrower back down to the ground.
Remove the nylon tie which fastens the auger drive
belt to the discharge
housing, leaving the belt
assembled
around the pulleys.
Remove the nylon tie which fastens the chute crank
rod to the crank rod support tube.
Assemble
the crank rod support tube to the bracket
on the left side of the thrower housing using two
5/16" x 1-1/4" carriage bolts, 5/16" lock washers
and 5/16" hex nuts. See figure 25.
16"LOCK
WASHER
CRANK ROD
5/16"HEX
NUT
_UPPORTTUBE
FIGURE
25
LEFT SIDE VIEW
Attach the chute tilt control assembly
to the top
side of the crank support tube using two 5/16" x
1-3/4" carriage
bolts, bowed washers,
5/16" lock
washers and 5/16" hex nuts. See figure 26.
CHUTE CRANK ROD _._
,.,_
CRANK SUPPORT TUBE _
TILT CONTROL HANDLE ""_="_'!_
7
5/16" x 1-3/4"
_ll_"%'J__'//_
TILT
CARRIAGE
BOLT
CONTROL
ASSE.B'
BOWED WASHER _
ill
5/16" HEX NUT ""
FIGURE
26
LEFT SIDE VIEW
Attach the chute crank rod assembly brackets to
the plastic bracket on the left side of the thrower
housing. Align the chute crank bracket beneath the
rod support bracket and assemble
both to the
plastic bracket using two 5/16" x 1" carriage bolts,
5/16" flat washers, 5/16" lock washers
and 5/16"
hex nuts. Do not tighten
yet. See figure 27.
CHUTE CRANK
5/16" x I •
BRACKET
_
CARRIAGE BOLT
' 5/16" HEX NUT
FIGURE
27
LEFT SIDE VIEW
Coat the top of the ring around the discharge
opening with general purpose grease. See figure 28.
Place the discharge chute (facing forward) onto the
ring. Place the anti-rotation
bracket on top of the
chute flange, aligning it with the holes on the right
hand side of the flange. Attach the three chute
keepers (right side up as shown) to the bottom of
the flange using six 1/4" x 1" hex bolts, 1/4" flat
washers
and 1/4" hex lock nuts. Tighten
carefully
so that the nuts are snug but do not dig into the
plastic chute keepers. See figure 28.
Place the plastic cap onto the short end of the anti-
rotation bracket. See figure 28.
Position the crank rod spiral so that it does not rub
against the bottoms of the notches in the chute
flange. Tighten
the nuts. See figure 27.
Check if the crank rod rotates the chute freely. If
not, loosen by 1/4 turn each of the six hex bolts
holding the chute keepers to the chute flange.
Secure the control cables to the crank rod support
tube using a nylon tie.
1/4" x 1"
/
/
/
HEX BOLT
/
ANTI-ROTATION
1/4" FLAT
BRACKET
PLASTIC CAP .....__
GREASED
I .-
_
.r
,
SURFACE
CHUT',
KEE,ER
FIGURE 28
RIGHT SIDE VIEW
14

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