Craftsman Tiller 48624312 User Manual

Owner's Manual  
®
STOP  
40" FRONT MOUNT  
TINE DETHATCHER  
Model No. 486.24312  
DO NOT RETURN TO STORE  
For Missing Parts or Assembly  
Questions Call 1-866-576-8388  
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.  
FORM NO. 40375 (REV. 2/28/07)  
PRINTED IN U.S.A.  
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HARDWARE PACKAGE CONTENTS  
SHOWN FULL SIZE  
D
E
A
B
C
F
G
I
H
J
K
L
NOT SHOWN FULL SIZE  
M
N
O
KEY QTY DESCRIPTION  
KEY QTY DESCRIPTION  
A
B
C
D
E
F
12 Carriage Bolt, 5/16-18 x 1" Lg.  
I
J
10 Nylock Nut, 3/8-16  
2
4
2
4
4
4
Hex Bolt, 5/16-18 x 1" Lg.  
Hex Bolt, 3/8-16 x 1"  
Hex Bolt, 3/8-16 x 1-1/4"  
Carriage Bolt, 3/8-16 x 1-1/2"  
Spacer, .8" x 1" x .5"  
1
6
1
1
2
1
Clevis Pin, 3/8" x 3/4"  
Hairpin Cotter, 1/8" (large)  
Hairpin Cotter, 3/32" (small)  
Axle Bushing  
Keeper Plate  
Handle Grip  
K
L
M
N
O
G
H
Flat Washer, 5/8" SAE  
14 Nylock Nut, 5/16-18  
3
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ASSEMBLY  
CARTON CONTENTS  
1. Mounting Arms (2)  
2. Lift Handle  
3. Angle Mounting Brackets (2)  
4. Lift Handle Bracket  
5. Hitch Bracket  
7. Wheel  
8. Mounting Shaft  
9. Lift Handle Arm  
10. Handle Lock Bracket  
11. Tine Shield  
6. Axle  
12. Frame Mount Bracket  
4
2
3
1
11  
10  
9
5
8
7
12  
6
REMOVAL OF PARTS FROM CARTON  
Stop engine and let muffler cool before  
attempting to install dethatcher hitch  
brackets.  
Remove all parts and hardware packages from the  
carton. Lay out all parts and hardware and identify  
using the illustrations on pages 3 and 4.  
TOOLS REQUIRED FOR ASSEMBLY  
REMOVAL OF PARTS FROM TRACTOR  
(2) 1/2" Wrenches  
(2) 9/16" Wrenches  
Remove any front mounted attachments which may  
be installed on your tractor.  
Mark all loose parts and save for reassembly.  
4
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3. Assemble mounting arms to inside of angle mounting  
brackets using four 5/16" x 1" carriage bolts and 5/16"  
nylock hex nuts. Fasten through rear set of holes in  
mounting arms. Do not tighten until dethatcher is  
mounted to tractor. See figure 3.  
ASSEMBLING DETHATCHER  
1. Assemble handle lift bracket to rear set of holes on  
left end of tine shield. Use two 5/16" x 1" carriage  
bolts and 5/16" nylock hex nuts. Tighten. See figure 1.  
4. Loosely assemble front ends of mounting arms  
together using two 3/8" x 1-1/4" hex bolts and 3/8"  
nylock hex nuts. Place axle bushing between front  
ends of mounting arms, centering bushing up and  
down. Tighten bolts securely in front ends of  
mounting arms. See figure 3.  
5/16" x 1"  
CARRIAGE BOLT  
LEFT END  
HANDLE LIFT  
BRACKET  
MOUNTING ARM  
TINE  
SHIELD  
AXLE BUSHING  
5/16" NYLOCK NUT  
5/16" x 1"  
CARRIAGE BOLT  
TINES POINT  
TO FRONT  
5/16" NYLOCK NUT  
3/8" NYLOCK  
NUT  
FIGURE 1  
3/8" x 1-1/4"  
HEX BOLT  
FIGURE 3  
2. Assemble angle mounting brackets to tine shield  
using four 5/16" x 1" carriage bolts and 5/16" nylock  
hex nuts. Tighten. See figure 2.  
5. Apply a light coating of oil to the axle.  
5/16" x 1"  
CARRIAGE BOLT  
TINE  
SHIELD  
6. Assemble a 5/8" washer, the wheel (long end of hub  
first) and another 5/8" washer onto axle. Secure with a  
1/8" hairpin cotter. See figure 4.  
ANGLE  
MOUNTING  
BRACKET  
APPLY OIL  
AXLE  
5/8" WASHER  
1/8" HAIRPIN  
COTTER  
WHEEL  
5/16" NYLOCK NUT  
FIGURE 4  
FIGURE 2  
5
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7. Assemble a 5/8" washer onto axle. Insert axle up  
through axle bushing. Assemble another 5/8" washer  
onto axle and secure with a 1/8" hairpin cotter. See  
figure 5.  
ATTACHING DETHATCHER TO TRACTOR  
9. If the front of your tractor has front mounting holes as  
shown in figure 7, continue on to step 11.  
10. If the front of your tractor DOES NOT have front  
mounting holes, go to step 14.  
1/8" HAIRPIN COTTER  
5/8" WASHER  
FIGURE 5  
FRONT MOUNTING HOLES  
FIGURE 7  
8. Insert mounting shaft through holes in both mounting  
arms. Secure mounting shaft to mounting arms with  
two (large) 1/8" hairpin cotters assembled into inside  
holes of shaft. See figure 6.  
11. Remove two self threading bolts (if present) from  
front cross-member of tractor. Assemble bolts through  
lower slots in hitch bracket, then reinstall them back  
into front crossmember. (Make sure notches at top  
of hitch bracket and crossmember are aligned.) See  
figure 8.  
(LARGE) 1/8"  
HAIRPIN COTTER  
12. From behind tractor's front crossmember, insert two  
3/8" x 1" hex bolts through holes in crossmember  
(shown in figure 8) and through upper slots in hitch  
bracket. Secure with two 3/8" nylock hex nuts.  
MOUNTING  
SHAFT  
13. Go to step 16 on page 7.  
SELF THREADING BOLT  
FRONT  
FIGURE 6  
3/8" x 1"  
HEX BOLT  
3/8" NYLOCK  
NUT  
SELF THREADING BOLT  
HITCH BRACKET  
FIGURE 8  
6
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16. Assemble handle lock bracket to lift handle arm using  
two 5/16" x 1" carriage bolts and 5/16" nylock hex  
nuts. See figure 11.  
STEPS 14 AND 15 ARE ONLY FOR  
TRACTORS WITHOUT FRONT MOUNTING  
HOLES. FOR ALL OTHER TRACTORS  
CONTINUE TO STEP 16.  
5/16" NYLOCK  
NUT  
5/16" x 1"  
14. Assemble the hitch bracket to the frame mount  
bracket using four 3/8" x 1" hex bolts and 3/8" nylock  
nuts as shown in figure 9.  
CARRIAGE BOLT  
3/8" x 1"  
HEX BOLT  
LIFT HANDLE  
ARM  
FRAME MOUNT  
BRACKET  
FIGURE 11  
17. Assemble lift handle arm to left side of hitch bracket  
using two 5/16" x 1" hex bolts and 5/16" nylock hex  
nuts. See figure 12.  
FRONT  
HITCH  
BRACKET  
3/8" NYLOCK  
NUT  
FIGURE 9  
5/16" NYLOCK NUT  
HITCH BRACKET  
5/16" x 1"  
HEX BOLT  
LIFT HANDLE  
ARM  
15. Assemble the frame mount bracket to the tractor  
frame using four 3/8" x 1-1/2" carriage bolts, spacers  
and 3/8" nylock nuts. The spacers go between the  
tractor frame and the frame mount bracket as shown  
in figure 10.  
FIGURE 12  
18. Attach dethatcher to hitch plate by placing mounting  
shaft into slots at front of hitch plate. Dethatcher  
mounting arms go to inside of hitch plate. Assemble  
keeper plates onto ends of mounting shaft and secure  
with (large) 1/8" hairpin cotters. See figure 13.  
SPACER  
FRONT OF TRACTOR  
SLOT  
3/8" NYLOCK  
3/8" x 1-1/2"  
NUT  
CARRIAGE  
BOLT  
HITCH  
PLATE  
MOUNTING  
SHAFT  
(LARGE) 1/8"  
HAIRPIN COTTER  
KEEPER  
PLATE  
FIGURE 10  
FIGURE 13  
7
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19. Install vinyl grip on lift handle as shown in figure 14.  
22. Raise and lock dethatcher in transport position (see  
operation instructions on pages 9 and 10). Move  
tractor with front mounted dethatcher onto a level  
surface, such as a drive or garage floor. Lower the tine  
dethatcher from transport position to rest on the level  
surface.  
20. Slide lift handle down between lift handle arm and  
handle lock bracket. See figure 14.  
21. Assemble lift handle to lift handle bracket using 3/8" x  
3/4" clevis pin and 3/32" (small) hairpin cotter.  
See figure 14.  
23. Adjust tine shield until spring tines come in contact  
with level surface, keeping front and back tines at  
the same height. Tighten carriage bolts securing  
mounting arms to angle brackets. See figure 15.  
LIFT HANDLE  
SMALL HAIRPIN COTTER  
HANDLE GRIP  
24. If you need more adjustment, try moving the axle  
bushing up or down between the mounting arms. Be  
sure to retighten the bolts securing the bushing.  
HANDLE LOCK  
BRACKET  
MOUNTING  
ARMS  
AXLE  
LIFT HANDLE  
ARM  
BUSHING  
ANGLE BRACKETS  
CLEVIS PIN  
LIFT HANDLE  
BRACKET  
TINE SHIELD  
TINES  
GROUND  
FIGURE 14  
FIGURE 15  
8
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OPERATION / MAINTENANCE / STORAGE  
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  
Lubrication  
X
X
CHECK FOR LOOSE FASTENERS  
LIFT HANDLE  
Before each use check all nuts and bolts for  
tightness. Tighten loose fasteners before using.  
SMALL HAIRPIN COTTER  
LUBRICATION  
Before each use apply a small amount of motor oil  
between washer and wheel bearing and between  
washer and top of axle bushing. See figure 16.  
HANDLE LOCK  
BRACKET  
OIL  
LIFT HANDLE  
ARM  
CLEVIS PIN  
LIFT HANDLE  
BRACKET  
OIL  
FIGURE 16  
OPERATING TIPS  
FIGURE 17  
(Refer to figure 18).  
De-thatching is recommended for early spring, late fall and  
prior to fertilizing. It is not recommended to de-thatch with  
every mowing of the lawn.The tine dethatcher can be easily  
removed for storage (Maintenance/Storage).  
Remove the two outside (large) 1/8" hairpin cotters  
from mounting shaft and slide keeper plates off ends  
of mounting shaft.  
Always start with transmission in first (low) gear and  
gradually increase speed as conditions permit.  
Do not attempt to use dethatcher in field mowing.  
For best results, use a "criss-cross" pattern on your lawn.  
Vary vehicle speed to determine best speed.  
The front and rear tines should be kept level.  
Stop vehicle and lift dethatcher to transport position  
when making sharp turns.  
Lift dethatcher from hitch bracket slots.  
Reassemble hairpin cotters and keeper plates to  
mounting shaft for storage.  
MOUNTING  
SHAFT  
SLOT  
STORAGE  
Always store in a dry area, and coat spring tines with  
light oil when not in use.  
HITCH  
PLATE  
KEEPER  
PLATE  
TO REMOVE DETHATCHER FROM TRACTOR  
(Refer to figure 17).  
Lower dethatcher to ground.  
Remove 3/32" (small) hairpin cotter and 3/8" x 3/4"  
clevis pin from lift handle. Remove handle from  
handle lift bracket.  
(LARGE) 1/8"  
(LARGE) 1/8"  
HAIRPIN  
HAIRPIN COTTER  
COTTER  
Slide lift handle out between lift handle arm and  
handle lock bracket.  
FIGURE 18  
9
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OPERATION / SERVICE / ADJUSTMENTS  
KNOW YOUR DETHATCHER  
Leveling the dethatcher  
Move tractor with front mounted dethatcher onto a level  
surface, such as a drive or garage floor.  
Lower dethatcher from transport position to rest on  
level surface.  
LIFT HANDLE  
Loosen carriage bolts through mounting arms and  
angle brackets. (Refer to figure 3 on page 5.)  
Adjust tine shield until spring tines come in contact with  
level surface, keeping front and back tines at same  
height. Tighten mounting arm carriage bolts on top of  
dethatcher shield to lock adjustment. See figure 20.  
If you need more adjustment, try moving the axle  
bushing up or down between the mounting arms. Be  
sure to retighten the bolts securing the bushing. See  
figure 20.  
HANDLE  
LOCK  
BRACKET  
MOUNTING  
ARMS  
AXLE  
BUSHING  
ANGLE BRACKETS  
LIFT HANDLE  
Raises and lowers  
dethatcher.  
HANDLE LOCK BRACKET  
Locks lift handle in raised  
transport position.  
TINE SHIELD  
TINES  
GROUND  
HOW TO USE YOUR DETHATCHER  
FIGURE 20  
To replace a spring tine:  
To raise dethatcher to transport position:  
Pull lift handle back so that stud in handle is pulled  
past handle lock bracket. Push down and forward on  
handle so that stud falls into notch on handle lock  
bracket to lock in position. See figure 19.  
a. Use a screw driver to pry the tabs up off of the  
spring tine.  
b. Remove old the spring tine from the tray.  
c. Slide a new spring tine under the locking tabs.  
Insert a screw driver and bend down the locking  
tabs until the ends of the tabs are bent down  
even with the surface of the tray. See figure 20.  
To lower dethatcher to work position:  
Pull back and up on handle to release stud from notch  
in handle lock bracket. Lower by holding up on handle  
and pushing forward, allowing stud to pass through  
lock bracket. See figure 19.  
SCREW  
DRIVER  
POCKET  
STUD  
NOTCH  
FIGURE 19  
FIGURE 21  
10  
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PARTS  
40" TINE DETHATCHER MODEL 486.24312  
15  
19  
25  
8
28  
29  
13  
27  
9
23  
24  
23  
21  
25  
16  
17  
20  
25  
22  
14  
6
15  
23  
4
17  
7
5
1
17  
4
15  
A
17  
25  
A
17  
2
16  
18  
18  
5
26  
12  
11  
15  
15  
18  
17  
18  
3
10  
REF  
NO.  
PART  
NO.  
QTY DESCRIPTION  
REF  
NO.  
PART  
NO.  
QTY DESCRIPTION  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
24874  
43783  
47633  
23666  
24876  
62601  
26043  
23673  
24043  
44213  
44148  
23668  
62600  
26168  
47810  
1
Tine Shield  
16  
17  
23676  
43343  
2
6
4
1
1
1
4
Keeper Plate  
10 Spring Tine  
Hairpin Cotter, 1/8"  
Flat Washer, 5/8"  
Plastic Grip  
Clevis Pin, 3/8" x 3/4"  
Hairpin Cotter, 3/32"  
Hex Bolt, 3/8-16 x 1"  
2
2
2
1
1
1
1
1
1
1
1
1
Wire, Spring Alignment  
Angle Mount Bracket  
Mounting Arm  
Lift Handle Bracket  
Mounting Shaft  
Handle Lock Bracket  
Lift Handle Arm  
Wheel  
18 R19212113  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
43943  
44044  
43055  
43001  
HA21362  
43063  
44326  
43087  
46838  
26044  
43069  
40375  
10 Nylock Nut, 3/8-16  
Hex Bolt, 5/16-18 x 1"  
12 Carriage Bolt, 5/16-18 x 1"  
2
Axle  
Pivot Bushing  
Lift Handle  
2
4
1
4
1
Hex Bolt, 3/8-16 x 1-1/4"  
Spacer, .8" x 1" x .5"  
Frame Mount Bracket  
Carriage Bolt, 3/8-16 x 1-1/2"  
Owners Manual  
Hitch Bracket  
14 Nylock Nut, 5/16-18  
11  
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To purchase a protection agreement (U.S.A.)  
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Para pedir servicio de reparación  
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