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Sears 486.244062 Owner's Manual page 5

42" snow blade

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.
.
Assemble
one 1/2"
x 4"
hex bolt,
one 1/2"
hex nut and one 7/16"
standard
washer
into
top of slotted
hole in channel
assembly.
Assem-
ble one 7/16"
standard
washer
and one 7/16"
hex nut on bottom
of 1/2" bolt under channel
assembly.
See figure
6. DO NOT TIGHTEN
AT
THIS TIME.
Assemble
channel
assembly
to hitch plates at
front
of tractor
as shown
in figures
6 and 7.
FRONT VIEW
HITCH PLATES
1/2 x 4"
HEX BOLT
1/2'" HEX
PIVOT
\\
7/16"
WASHERS
ASS'Y.
FIGURE
6
.
Assemble
keeper plates over each end of pivot
shaft
with
lip under hitch
plates (see figure
7)
and
secure
with
two
1/8"
(large)
hairpin
cotters
through
small
holes
near each
end of
shaft.
HITCH
PLATE,
(R.H.)
HITCH PLATE, (L.H.)
1/8"" HAIRPIN
COTTER
PIVOT
&FT
KEEPER PLATE
FIGURE
7
.
Adjust
1/2"
x
4"
stop
bolt,
previously
assembled
into channel
assembly
(step
1). See
figure
8. Adjust
hex nuts,
above
and below
channel
to
provide
approximately
1/8"
clearance
between
channel
and the
tractor
engine
pulley
with
the
stop
bolt
positioned
against
frame
member.
See figure
8.
NOTE
The stop bolt must
be tightened
in
place
before
blade
assembly
to channel.
ENGINE
PULLEY,,,,
BOLT
1/8"
CLEARANCE
1/2"" HEX NUT
CHANNEL ASS'Y,
FRAME MEMBER
FIGURE 8
5.
Assemble
blade assembly
to channel
assembly
by aligning
holes
in pivot
plate
with
holes
in
reinforcement
plate
and inserting
pivot
shaft.
See figure
9. Secure
by assembling
two
1/8"
x 1-1/4" cotter pins into small holes near ends t)f
pivot
shaft.
Spread
ends to retain.
NOTE
Blade shoes are factory assembled to
blade assembly in lower setting.
See
adjustments
step "'C'" page 10 for
repositioning.
(TOP)
5/16"' HEX NUT
PLASTIC
CAP
BLADE ADJUST
SPRING
BLADE
SHOE
CHANNEL
ASS'Y.
SPRING
PIVOT
MOUNT
ROD
SHAFT
5/16"" HEX NUT
(BOTTOM)
3HT HAND
BRACKET
118" x 1-1"/4'"
COTTER PIN
FIGURE
9
.
To assemble
blade adjust spring,
remove plastic
cap, 5/16"
flat washer
and one 5/16"
hex nut.
Adjust
the remaining 5/16" hex nut on the long
bolt to approximately
one inch down from end
of bolt threads. Assemble
adjusting bolt through
hole in top edge of blade and hold in place with
5/16"
flat washer and 5/16"
hex nut removed
earlier. Do not tighten 5/16" hex nut at this time.
Push down on the spring and hook end of spring
over spring mount
rod as shown
in figure 9.
Tighten
5/16"
hex nut on top edge of blade
down
against
the
bottom
5/16"
hex
nut.
Replace plastic cap over end of adjusting
bolt
threads.
See figure 9,

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