Owner's Manual
®
STOP
40" PLUG AERATOR
Model No. 486.24326
DO NOT RETURN TO STORE
For Missing Parts or Assembly
Questions Call 1-866-576-8388
• Safety
CAUTION:
• Assembly
• Operation
• Maintenance
• Parts
Before using this product, read
this manual and follow all Safety
Rules and Operating Instructions.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
PRINTED IN U.S.A.
FORM NO. 40016 (REV. 05/15/08)
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HARDWARE PACKAGE CONTENTS
SHOWN FULL SIZE
C
A
D
E
G
B
F
N
L
H
M
I
Q
P
J
O
K
S
R
T
NOT SHOWN FULL SIZE
V
W
U
HARDWARE PACKAGE CONTENTS
Key
Qty.
Description
Key
Qty.
Description
A
B
C
D
E
F
G
H
I
2
4
1
8
8
1
1
2
8
8
8
2
Hex Bolt, 1/2" x 3-1/2" Lg.
Hex Bolt, 1/4" x 1-3/4" Lg.
Hex Bolt, 1/2" x 1-1/4" Lg.
Hex Bolt, 3/8" x 1" Lg.
Hex Bolt, 5/16" x 3/4" Lg.
Hair Cotter Pin, Large
Hitch Pin
Nylock Jam Nut, 1/2"
Nylock Nut, 3/8"
Nylock Nut, 5/16"
M
N
O
P
Q
R
S
T
U
V
1
4
4
1
1
1
1
4
2
1
8
Nylock Nut, 1/2"
Flat Washer, 3/4"
Hex Bolt, 1/4" x 3/4"
Clevis Pin
Hair Cotter Pin, Small
Spacer Tube, 3.70" Long
Spacer Tube, 1" Long
Spacer Tube, 1.33" Long
Stop Bracket
Handle Grip
Split Plastic Bearing
J
K
L
Nylock Nut, 1/4"
Jam Nut, 1/2"
W
3
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ASSEMBLY
CARTON CONTENTS
1. Tray
2. Wheel Brackets (2)
3. Middle Brace
4. Hitch Bracket
5. Tongue
6. End Plates (2)
7. Lift Handle
9. Single Spool Assemblies (2)
10. Shaft
11. Double Spool Assemblies (2)
12. Wheels (2)
8. Lift Lever Assembly
4
5
2
1
6
3
7
8
12
10
9
11
TOOLS REQUIRED FOR ASSEMBLY
CAUTION: Points of aerator knives
are sharp! Exercise caution at all times
while assembling and using the aerator.
(2) 7/16" wrenches
(2) 1/2" wrenches
(2) 9/16" wrenches
(2) 3/4" wrenches or adjustable wrenches
•
Push split plastic bearings (Y) into both ends of all
single and double spool assemblies. See figure 2.
SPLIT
BEARING (Y)
•
Attach the lift lever assembly to the two holes in the
middle of the shaft using two 1/4" x 1-3/4" hex bolts
(B) and a 1/4" nylock nuts (K). Tighten. See figure 1.
LIFT LEVER ASSEMBLY
SPLIT
BEARING (Y)
1/4" NYLOCK
NUT (K)
SPLIT
BEARING (Y)
1/4" x 1-3/4"
HEX BOLT (B)
FIGURE 1
SPLIT
BEARING (Y)
FIGURE 2
4
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•
Identify the short end of the shaft. Assemble a 1" long
spacer (S), a single spool assembly, a 1.33" long
spacer (T), a double spool assembly, another 1.33"
long spacer (T) and a 3/4" flat washer (N) onto the
short end of the shaft. See figure 3.
•
Assemble the end plates to the ends of the tray using
four 5/16" x 3/4" hex bolts (E) and four 5/16" nylock
nuts (J) for each end plate. Do not tighten until final
step. See figure 5.
1.33" LONG
SPACER (T)
3/4" FLAT
WASHER (N)
5/16" x 3/4"
HEX BOLT (E)
5/16" NYLOCK
NUT (J)
1.33" LONG
SPACER (T)
1" LONG
SPACER (S)
DOUBLE SPOOL
ASSEMBLY
FIGURE 5
SHORT END
OF SHAFT
SINGLE SPOOL
ASSEMBLY
FIGURE 3
•
•
Assemble the tongue to the tray using four 3/8" x 1"
hex bolts (D) and 3/8" nylock nuts (I) as shown in
figure 6. Tighten.
•
Assemble the middle brace onto the long end of
the shaft with the bent end of the brace facing the lift
lever. Next assemble a 3.70" long spacer (R), a single
spool assembly, a 1.33" long spacer (T), a double
spool assembly, a 1.33" long spacer (T) and a 3/4" flat
washer (N) onto the long end of the shaft. See figure
4.
Assemble the two stop brackets (U) to the tongue
using four 1/4" x 3/4" hex bolts (O) and 1/4" nylock
nuts (K). Position the bottom bracket as far to the right
side as possible. Position the top bracket as far to the
left side as possible. Tighten. See figure 6.
LIFT
LEVER
MIDDLE
BRACE
3/8" x 1"
HEX BOLT (D)
3.70" LONG
SPACER (R)
1.33" LONG
SPACER (T)
STOP
BRACKET (U)
1/4" x 3/4"
HEX BOLT (O)
RIGHT SIDE
LEFT SIDE
SINGLE SPOOL
ASSEMBLY
DOUBLE SPOOL
ASSEMBLY
1.33" LONG
SPACER (T)
3/8" NYLOCK
NUT (I)
1/4" NYLOCK
NUT (K)
3/4" FLAT
WASHER (N)
FIGURE 4
REAR VIEW
FIGURE 6
5
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•
•
Assemble the hitch bracket to the tongue using two
3/8" x 1" hex bolts (D), and two 3/8" nylock nuts (I).
Tighten. See figure 7.
Assemble the hitch pin (G) through the hitch bracket
and the tongue. Secure the hitch pin with the large
hairpin cotter (F). See figure 7.
•
Assemble a wheel to a wheel bracket as shown in
figure 9. Use a 1/2" x 3-1/2" hex bolt (A), one 1/2"
hex jam nut (L), and one 1/2" nylock jam nut (H).
Adjust the nuts so that the wheel is held securely with
minimum end play but will spin freely. Repeat on other
side. See figure 9.
HITCH
PIN (G)
1/2" NYLOCK
JAM NUT (H)
3/8" x 1"
HEX BOLT (D)
1/2" JAM NUT (L)
3/8" NYLOCK
NUT (I)
1/2" x 3-1/2"
HEX BOLT (A)
HITCH
BRACKET
LARGE HAIRPIN
COTTER (F)
FIGURE 9
UPSIDE DOWN VIEW
FIGURE 7
•
Turn the tray upside down. Standing behind the tray,
place the long end of the shaft through the end plate
on your right as shown in figure 8. Place the other end
of the shaft through the end plate on your left. Make
sure the bent end of the middle brace rests flat inside
the tongue.
•
Tip the aerator onto the back edge of the tray. Fasten
the middle brace to the bottom of the tongue using
two 3/8" x 1" hex bolts (D) and 3/8" nylock nuts (I). Do
not tighten until final step. See figure 10.
•
Assemble a 3/4" flat washer (N) and a wheel bracket
onto each end of the shaft. Turn each wheel bracket
to point in the opposite direction from the lift lever.
Secure each wheel bracket with a 1/4" x 1-3/4" hex
bolt (B) and 1/4" nylock nut (K). Tighten. See figure 8.
NOTE: If there is not enough room on the shaft for the
wheel bracket, leave off the 3/4" flat washer(s) from that
end of the shaft.
1/4" NYLOCK
NUT (K)
WHEEL
BRACKET
MIDDLE
BRACE
FIGURE 10
LIFT LEVER
3/4" FLAT
WASHER (N)
1/4" x 1-3/4"
HEX BOLT (B)
FIGURE 8
UPSIDE DOWN VIEW
6
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•
•
Turn the lift handle as shown in figure 11 and attach it
to the side of the lift lever that is indicated. Use a 1/2"
x 1-1/4" hex bolt (C) and 1/2" nylock nut (M) in the
bottom hole and the clevis pin and small hairpin cotter
in the top hole. Tighten the bolt and nut. See figure 11.
Push the grip (V) onto the lift handle. See figure 11.
•
Perform the following steps in sequence to tighten the
bolts and nuts that remain loose. Refer to figure 12.
a. Turn the aerator upright, then lock the lift handle
into the transport position.
b. Tighten the eight bolts at the corners of the tray.
c. Tighten the two bolts which fasten the middle
brace to the bottom of the tray.
b
b
b
GRIP (V)
c
b
SMALL HAIRPIN
COTTER
LIFT LEVER
FIGURE 12
FIGURE 11
7
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OPERATION
KNOWYOUR PLUG AERATOR
Read this owner's manual and safety rules before operating your plug aerator.
Compare the illustration below with your aerator to familiarize yourself with the various controls and their locations.
LIFT HANDLE
STOP BRACKETS
LIFT HANDLE Raises the aerator to the transport position and lowers it to the operating position.
STOP BRACKETS Locks the lift handle in the transport position (upper bracket) or operating position (lower bracket).
BEFORE STARTING
HOW TO USEYOUR PLUG AERATOR
Aerating means pulling small soil plugs, ranging up
to three inches in length, from the soil to create small
reservoirs that will bring oxygen, fertilizer and water
down into the roots. For best aerator performance, the
following lawn preparations and operating procedures are
recommended.
•
Mow the lawn and remove loose clippings prior to use
of the aerator.
If the soil is extremely hard and dry, it is
recommended that it be sprinkled or watered down for
one or two hours prior to aerating.
•
•
•
Start tractor engine with controls in neutral and place
throttle at slow engine speed.
CAUTION: Points of aerator knives are
sharp! Exercise caution at all times while
using the aerator.
Engage shift lever at lowest possible forward speed
and lower aerator, allowing plugger points to enter the
ground. Increase speed as conditions permit.
Aerate in the straightest line possible, making
overlapping passes to increase the plugger point
pattern.
Avoid extremely sharp turns with plugger points
engaged in ground to prevent damage to lawn.
DO NOT cross over walks or drives without first
raising the aerator to the transport position.
On sloped lawns, always aerate in an up and down
direction. DO NOT attempt to follow the contour of the
ground.
•
CAUTION: Vehicle braking and stability
may be affected by the addition of an
accessory or attachment. Be aware of
changing conditions on slopes.
•
•
•
8
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•
•
DO NOT attempt to aerate if ground is too wet, or
muddy.
Due to possible small rocks and gravel which can be
present in aerated soil plugs, it is recommended that
the plugs be raked; otherwise damage to the lawn
mower blades may arise, especially when reel type
mowers are used.
•
To increase the depth of plugger point penetration,
up to 140 lbs. of weight, such as bags of sand or (4)
concrete blocks, may be added to the tray. The weight
can be secured to the tray with ties or straps fastened
to the front and rear of the tray. Fasten so that the ties
or straps cannot become entangled on rotating parts.
See figure 13.
FIGURE 13
CAUTION: To prevent injury, dismount
from the tractor to raise or lower
aerator containing added weight.
MAINTENANCE
CUSTOMER RESPONSIBILITIES
•
Read and follow the maintenance schedule and the maintenance procedures listed in this section.
MAINTENANCE SCHEDULE
Fill in dates as you
complete regular service.
Service Dates
Check for loose fasteners
Cleaning
X
X
Lubrication
X
CHECK FOR LOOSE FASTENERS
LUBRICATION
•
Before each use make a thorough visual check of the
plug aerator for any bolts and nuts which may have
loosened. Retighten any loose bolts and nuts.
•
•
Lubricate wheels as needed.
Oil the spool assemblies and shaft as needed.
CLEANING
•
Clean dirt off of aerator knives after each use. BE
CAREFUL OF SHARP EDGES WHEN CLEANING.
SERVICE AND ADJUSTMENTS
•
Plugger points can periodically be sharpened with a
small grinder to maintain good penetration. Points
should be removed to sharpen. Follow original angle
and contour of points when grinding.
STORAGE
•
Clean the aerator and store in a dry area. Coat
exposed metal with light oil to prevent rust.
9
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PARTS
REPAIR PARTS FOR PLUG AERATOR MODEL 486.24326
8
9
13
22
13
13
1
3
16
3
17
22
13
19
29
7
36
9
37
33
34
8
18
21
33
20
4
5
28
25
23
30
34
B
33
15
38
34
12
25
23
23
10
2
A
14
19
33
22
26
11
B
23
27
A
24
6
23
25
23
23
11
23
10
22
25
17
35
31
32
10
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REPAIR PARTS FOR 40" PLUG AERATOR MODEL 486.24326
REF.
NO.
PART QTY. DESCRIPTION
NO.
REF.
NO.
PART QTY. DESCRIPTION
NO.
21
22
43019
43009
2
4
8
1
4
1
1
1
1
1
Hex Jam Nut, 1/2-13 Thd.
Flat Washer, 3/4"
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
25853
24623
24619
25664
25800
25801
23687
46503
63931
63929
63930
65336
43001
43055
43351
43182
47810
48115
1509-69
46526
1
1
2
1
1
1
1
2
2
2
2
1
8
1
1
8
Tray
Middle Brace
End Plate
Lift Handle
Tongue
Shaft
Hitch Bracket
Wheel
Wheel Bracket Assembly
Spool Assembly (Double)
Spool Assembly (Single)
Lift Bracket Assembly
Hex Bolt, 3/8-16 x 1" Long
Hairpin, 3/32 x 1.8
Hex Bolt, 1/2-13 x 1-1/4" Long
Hex Bolt, 5/16-18 x 3/4" Long
23 741-0493A
24
25
Split Bearing, 3/4"
Spacer, 3.70" Long
Spacer, 1.33" Long
Hex Nylock Nut 1/2"
Spacer, 1.00" Long
Grip
45151
44494
26 712-3083
27
28
29
30
31
32
33
34
35
36
37
38
44500
43943
47623
43343
24924
43080
HA21362
47189
43086
43012
25665
44056
40016
Hitch Pin, 3/8" Flat Head
Hair Cotter Pin, 3/32"
24 Knife, Aerator
24 Carriage Bolt, 5/16-18 x 3/4"
8
8
Hex Nylock Nut 3/8"
Hex Nylock Nut 1/4"
24 Lockwasher 5/16"
4
2
1
1
Hex Bolt, 1/4-20 x 3/4" Long
Lift Stop Bracket
Clevis Pin
32 Hex Nylock Nut 5/16"
2
4
2
Hex Nylock Jam Nut 1/2"
Hex Bolt, 1/4-20 x 1-3/4" Long
Hex Bolt, 1/2-13 x 3-1/2" Long
Owners Manual
11
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