Craftsman Lawn Aerator 48624326 User Guide

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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