Operator's Manual
®
STOP
BrOadcast spreader
DO NOT RETURN TO STORE
For Missing Parts or Assembly
Questions Call 1-866-576-8388
Model No. 486.24321
IPS
NT
ATIO
LIC
APP
caUtION:
• Safety
Before using this product, read
this manual and follow all Safety
Rules and Operating Instructions.
• Assembly
• Operation
• Maintenance
• Parts
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
PRINTED IN U.S.A.
FORM NO. 42096 (11/03/11)
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FULL sIZe HardWare cHart
SHOWN FULL SIZE
F
E
H
B
C
D
A
G
J
I
NOT SHOWN FULL SIZE
M
N
O
K
P
L
reF part NO. QtY descrIptION
reF part NO. QtY descrIptION
I
43343
47623
46501
47141
24858
24857
43848
44663
1
1
2
1
1
1
1
2
Hair Cotter Pin
Hitch Pin
A
B
C
D
E
F
43648
43661
5
4
1
9
4
8
1
3
Hex Bolt, 1/4-20 x 1-1/2" Lg.
Hex Bolt, 1/4-20 x 1" Lg. *
Carriage Bolt, 1/4-20 x 3/4" Lg.
Nylock Nut, 1/4-20
J
K
L
Spacer
44950
Nylon Wing Nut
Adjustable Stop
Flow Control Link
Grip
47189
M
N
O
P
1543-69
R19111116
44101
Washer, Nylon
Washer, 5/16"
G
H
Cotter Pin 3/32" x 3/4"
Flat Washer 1/2"
Hub Cap
R19171616
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3
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cartON cONteNts
1.
2.
3.
4.
5.
Hitch Tube (#44586)
Flow Control Arm (#24859)
Hitch Bracket (#23687)
Flow Control Mount Bracket (#24855)
Braces (2) (#23525)
6.
7.
8.
9.
Flow Control Rod (#44469)
Drive Wheel (#48865)
Wheel (#46503)
Hopper Assembly
2
3
1
4
5
6
7
8
9
asseMBLY
tOOLs reQUIred FOr asseMBLY
step 2: (see FIGUre 2)
(1)
(2)
(2)
(1)
Pliers
•
Remove lock nut from the middle bolt in the crossover
tube and shaft support plate. Leave the bolt in place.
Assemble the short end of the hitch tube onto the
middle bolt and secure it with the same lock nut you
removed. do not tighten at this time.
7/16" Open or Box End Wrenches
1/2" Open or Box End Wrenches
Small Hammer
•
•
•
Assemble two hitch braces to inside of hopper frame,
one on each side, using two 1/4" x 1-1/2" hex bolts and
two 1/4" nylock nuts. do not tighten at this time.
Assemble the two hitch braces to the hitch tube using
a 1/4" x 1-1/2" hex bolt and a 1/4" nylock nut. do not
tighten at this time.
step 1: (see FIGUre 1)
•
Turn the spreader upside down so that it rests on the
hopper.
IMpOrtaNt: The hitch tube must attach to the side of
the crossover tube opposite the shaft support plate.
CROSSOVER
TUBE
SHAFT SUPPORT PLATE
MIDDLE BOLT
HITCH
TUBE
MIDDLE
LOCK NUT
1/4" NYLOCK
NUT
1/4" x 1-1/2"
HEX BOLT
FIGUre 1
HITCH BRACE
HITCH BRACE
FIGUre 2
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step 3: (see FIGUre 3)
step 5: (see FIGUre 5)
•
Tighten all hex nuts and bolts, following the same
sequence as assembled in steps 4, 5 and 6. do not
collapse tube when tightening.
•
Place the drive wheel onto the end of the axle that
has an indent. The long end of the hub goes to the
inside.
•
Assemble a spacer and then a 1/2" flat washer onto
each end of the axle.
•
Place a hub cap onto the end of the axle. Using a
small hammer, lightly tap the hub cap until it is snug
against the wheel.
AXLE
SPACER
HUB CAP
1/2" DIA.
FLAT WASHER
FIGUre 5
FIGUre 3
step 4: (see FIGUre 4)
•
Place the wheel (long end of hub first) onto the end of
the axle that has no indents.
•
10. Place a 1/2" flat washer onto the axle and then
lightly tap a hub cap onto the axle until it is snug
against the washer and wheel hub.
step 6: (see FIGUre 6)
•
In order to assemble the hitch bracket to the hitch
tube, turn the spreader upright on its wheels.
Assemble the bracket to the top of the hitch using two
1/4" x 1" hex bolts and 1/4" nylock nuts.
END WITH NO
CROSS HOLE
HITCH PIN
1/4" x 1"
HEX BOLT
1/4" NYLOCK
NUT
1/2" FLAT
WASHER
HAIR COTTER PIN
HUB CAP
FIGUre 6
FIGUre 4
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step 7: (see FIGUre 7)
step 9: (see FIGUre 9)
•
Assemble the flow control link (end with small hole) to
the flow control arm using a 1/4" x 1" hex bolt, a nylon
washer and a 1/4" nylock nut. tighten carefully. The
flow control link should not be loose but should pivot
with no more than slight resistance.
•
Place a 5/16" flat washer onto the end of the flow
control rod. Insert the end of the rod through the slot
in the flow control mounting bracket and through the
hole in the flow control link. Secure with a 3/32" x 3/4"
cotter pin.
FLOW CONTROL
3/32"
COTTER
LINK
FLOW
PIN
CONTROL
ARM
5/16" FLAT
WASHER
1/4" x 1"
HEX BOLT
FLOW
CONTROL
ROD
1/4" NYLOCK
NUT
SLOT
SMALLEST
HOLE
FLOW
CONTROL
LINK
NYLON
WASHER
FIGUre 9
FIGUre 7
step 8: (see FIGUre 8)
•
Assemble the flow control arm to the flow control
mounting bracket using a 1/4" x 1" hex bolt, two nylon
washers and a 1/4" nylock nut. tighten carefully.
The flow control arm should be snug, but should pivot
with no more than a slight resistance.
step 10: (see FIGUre 10)
•
Hook free end of flow control rod through hole in slide
gate bracket located near the bottom of the hopper.
•
Assemble the vinyl grip.
VINYL GRIP
FLOW CONTROL
FLOW
CONTROL
ARM
MOUNTING
BRACKET
1/4" x 1"
HEX BOLT
FIGUre 10
1/4" NYLOCK
NUT
(2) NYLON
WASHERS
FIGUre 8
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step 11: (see FIGUre 11)
step 13: (see FIGUre 13)
•
Assemble the flow control mounting bracket to the
hitch tube using two 1/4" x 1-1/2" hex bolts, four 5/16"
flat washers and two 1/4" nylock nuts. do not tighten
at this time.
•
•
•
Position the flow control mounting bracket.
Push on flow control arm until it locks in "OFF" position.
Slide flow control mounting bracket along tube until
closure plate in bottom of hopper just closes.
Snug the 1/4" lock nuts just enough to hold flow control
mounting bracket in place.
•
•
•
FLOW CONTROL
MOUNTING BRACKET
Set adjustable stop at "5". Pull flow control arm against
stop.Verify that closure plate has opened about half way.
If closure plate does not open half way, it may be
closed too far at "OFF". Adjust position of flow control
mounting bracket until closure plate will open about
half way at "5" and still close when arm is locked in
"OFF". tighten 1/4" lock nuts.
1/4" x 1-1/2"
HEX BOLT
5/16" FLAT
WASHER
OFF
ON
FLOW
CONTROL
ARM
OFF
5/16" FLAT
WASHER
ON
1/4" NYLOCK
NUT
1
2
3
4
5
6
7
8
9
FIGUre 11
1
0
AJDUSTABLE
STOP
SETTING "5"
step 12: (see FIGUre 12)
•
Place the adjustable stop into the "ON" end of the slot
in the top of the flow control mounting bracket. Secure
with the 1/4" x 3/4" carriage bolt, a nylon washer, a
5/16" flat washer and the nylon wing nut.
FIGUre 13
•
Before operating the spreader, pre-lubricate per the
lubrication instructions in the owner's manual.
WING NUT
5/16" FLAT
WASHER
NYLON
WASHER
ADJUSTABLE
STOP
1/4" x 3/4"
CARRIAGE BOLT
FIGUre 12
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OperatION
HOW tO Use YOUr spreader
appLIcatION dIaGraM
settING tHe FLOW cONtrOL
(Refer to figure 13 on page 7.)
•
Loosen the nylon wing nut, set the adjustable stop to
the desired flow rate setting and retighten the wing
nut. The higher the setting number, the wider the
opening in the bottom of the hopper.
REFER
TO
CHARTS
•
•
Refer to the application chart on page 8 and to the
instructions on the fertilizer bag to select the proper
flow rate setting.
Pull the flow control arm against the adjustable stop
for the on position and toward the hopper for the off
position.
OVERLAP
UsINGYOUr spreader
We do not recommend the use of any powdered lawn
chemicals, due to difficulty in obtaining a satisfactory or
consistent broadcast pattern.
FIGUre 14
IMpOrtaNt: Application rates shown in the chart
are affected by humidity and by the moisture content of
the material (granular and pellet). Some minor setting
adjustments may be necessary to compensate for this
condition.
•
•
Determine approximate square footage of area to be
covered and estimate amount of material required.
Before filling the hopper make sure the flow control
arm is in the off position and the closure plate is shut.
Break up any lumpy fertilizer as you fill the hopper.
Set the adjustable stop with the flow control arm still
in the off position. Refer to the application chart on
this page and to the instructions on the fertilizer bag
to select the proper flow rate setting.
The application chart is calculated for light to heavy
application at a walking speed of 3 mph, or 100
ft. in 23 seconds. A variation in speed will require
an adjustment of the flow rate to maintain the
same coverage. The faster you walk, the wider the
broadcast width.
•
•
appLIcatION cHart
tYpe
spread
•
MaterIaL
FLOW settING
WIdtH
FertILIZer
Powder
Granular
Pelleted
3 - 5
3 - 5
3 - 5
6 - 8
3' - 4'
8' - 10'
10' - 12'
6' - 8'
Organic
•
•
•
Always start the spreader in motion before opening
the closure plate.
Always shut the closure plate before turning or
stopping the spreader.
Grass seed
Fine
Coarse
3 - 4
4 - 5
6 - 8
6' - 7'
8' - 9'
10' - 12'
Ice MeLter
If fertilizer is accidentally deposited too heavily in a
small area, soak the area thoroughly with a garden
hose or sprinkler to prevent burning of the lawn.
To insure uniform coverage, make each pass so that
the broadcast pattern slightly overlaps the pattern
from the previous pass as shown in figure 14. The
approximate broadcast widths for different materials
are shown in the application chart on this page.
When broadcasting weed control fertilizers, make
sure the broadcast pattern does not hit evergreen
trees, flowers or shrubs.
OperatING speed - 3 MPH. (100 ft. in 23 seconds)
•
•
•
Heavy moisture conditions may require a cover over
the hopper to keep contents dry. The vinyl hopper
cover acts as a wind and moisture shield, but should
not be used as a rain cover.
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8
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MaINteNaNce
cHecK FOr LOOse FasteNers
LUBrIcate (See figure 15)
•
Before each use make a thorough visual check of
the spreader for any bolts and nuts which may have
loosened. Retighten any loose bolts and nuts.
•
•
•
Lightly apply automotive grease as needed to the
sprocket and gear.
Oil nylon bushings on vertical sprocket shaft and on
axle at least once a year, or more often as needed.
Oil right hand (idler) wheel bearing at least once a
year or more often as needed.
cHecK FOr WOrN OF daMaGed parts
•
Check for worn or damaged parts before each use.
Repair or replace parts if necessary.
cHecK tIre INFLatION
•
Check if tires are adequately inflated before each use.
Do not inflate tires beyond maximum recommended
pressure.
OIL
caUtION: dO NOt inflate tires beyond the
maximum recommended pressure printed on
side of tire.
OIL
GREASE
cLeaNING
Rinse inside of hopper and exterior of spreader and
dry off before storing.
•
FIGUre 15
serVIce aNd adJUstMeNts
repLacING sLOtted Gear
If the axle, slotted gear and sprocket assembly is
•
•
•
Continue making slight adjustments until you find the
position where the drive wheel spins most freely and
the gear makes the least noise.
Secure the shaft support plate in this position by
retightening all three nuts that you loosened.
disassembled, mark down the positions of the parts
as they are removed. The drive wheel and sprocket
positions in relation to the slotted gear determine
which direction the spreader plate will spin. Be sure
to reassemble them in their original positions. (Refer
to figure 3 on page 4.) Use shim washers (Ref. no.
21 on pages 10 and 11) as needed for minimum
backlash. Add grease to gear and sprocket.
SLOTTED GEAR
LOcKed Up spreader
•
•
Turn spreader over so that wheels are off the ground.
Loosen all three nuts on the shaft support plate just
enough so that the bolts can be turned easily with a
wrench but cannot be turned by hand.
•
•
Spin the drive wheel and note how freely it spins and
how much noise the slotted gear makes.
To free up the wheel and gear, tap gently on the front
or rear edge of the shaft support plate to move it
slightly forward or backward.You can also tap at the
corners of the plate to angle it slightly.
•
Spin the drive wheel after each adjustment to see if it
spins more freely and if the gear noise is reduced.
SHAFT SUPPORT PLATE
FIGUre 16
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repaIr parts ILLUstratION
BrOadcast spreader MOdeL 486.24321
15
4
1
A
12
40
31
7
9
13
40
9
9
5
39
30
11
33
3
35
34
6
2
B
26
40
9
46
A
12
11
28
25
22
48
27
11
10
24
9
23
4
44
7
37
32
B
8
42
39
39
D
E
9
45
7
40
9
32
36
33
19
19
9
9
7
23
39
9
32
24
22
21
32
32
20
21
18
43
11
E
17
41
38
35
9
14
D
47
22
11
49
16
22
30
Call 1-866-576-8388 for missing parts or assembly help
DO NOT RETURN TO STORE
10
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repaIr parts LIst
BrOadcast spreader MOdeL 486.24321
reF part NO. QtY descrIptION
reF part NO. QtY descrIptION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
44624
46055
62482
40469
23753
23758
43661
24857
47189
44591
43648
1509-69
44566
44586
48865
46503
23687
23781
44665
44672
44137
1
1
1
1
1
1
5
1
Hopper
26
27
28
29
30
31
04367
43850
44468
C-9M5732
44663
48934
1
1
1
2
2
1
8
2
1
2
1
1
1
Spreader Plate
Pin, Spring 1/8" Dia. x 1" Lg.
Ass'y, Guide Closure
Tube, Frame
Slide Gate Angle Bracket
Slide Gate Bracket
Bolt, Hex 1/4-20 x 1" Lg. *
Flow Control Link
Pin, Spring 1/8" Dia. x 5/8" Lg.
Sprocket, 6 Tooth
Pop Rivet (not shown)
Hub Cap
Hairpin Agitator
Washer, 5/16 SAE
Bushing, Delrin
Rod, Flow Control
Brace, Hitch
Support, Shaft
Nylon Wing Nut, 1/4-20 Thd.
Bolt, Carriage 1/4-20 x 3/4" Lg.
32 R19111116
33
34
35
36
37
38
39
40
41
42
43
44285
44469
23525
23780
47141
44950
1543-69
43088
24858
24855
46885
24859
44101
23533
47623
43848
43343
42096
22 Nylock Nut, 1/4-20
1
9
7
1
1
1
1
1
1
2
1
6
4
2
2
1
Tube, Crossover
Bolt, Hex 1/4-20 x 1-1/2" Lg.
Bolt, Hex 1/4-20 x 1-3/4"
Spring, Torsion
Tube, Hitch
Drive Wheel
Wheel
Bracket, Hitch
Shaft, Axle
10 Washer, Nylon
16 Washer, Flat 1/4" Std.
1
1
1
1
1
1
1
1
1
1
Adjustable Stop
Bracket, Flow Control Mount
Gear, Plastic
Flow Control Arm
Cotter Pin 3/32" x 3/4" Lg.*
Plate, Closure
Pin, Spring 5/32" Dia. x 1-1/4" Lg. 44
Bushing, Axle Shaft
Washer, Shim 1/2"
Washer, Flat 1/2"
Bearing, Flange
Tube, Spacer
45
46
47
48
49
22 R19171616
Hitch Pin
23
24
25
47963
46501
25305
Grip, Flow Control Arm
Hair Cotter Pin, #4 1/8"
Owner's Manual
Shaft, Sprocket
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