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.
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
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
Download from Www.Somanuals.com. All Manuals Search And Download.
Get it fixed, at your home or ours!
Your Home
For repair–in your home–of all major brand appliances,
lawn and garden equipment, or heating and cooling systems,
no matter who made it, no matter who sold it!
For the replacement parts, accessories and
owner’s manuals that you need to do-it-yourself.
For Sears professional installation of home appliances
and items like garage door openers and water heaters.
1-800-4-MY-HOME® (1-800-469-4663)
Call anytime, day or night (U.S.A. and Canada)
Our Home
For repair of carry-in items like vacuums, lawn equipment,
and electronics, call or go on-line for the location of your nearest
Sears Parts & Repair Center.
1-800-488-1222
Call anytime, day or night (U.S.A. only)
To purchase a protection agreement (U.S.A.)
or maintenance agreement (Canada) on a product serviced by Sears:
1-800-827-6655 (U.S.A.)
1-800-361-6665 (Canada)
Para pedir servicio de reparación
Au Canada pour service en français:
a domicilio, y para ordenar piezas:
1-800-LE-FOYERMC
1-888-SU-HOGAR®
(1-800-533-6937)
(1-888-784-6427)
® Registered Trademark / TM Trademark / SM Service Mark of Sears Brands, LLC
® Marca Registrada / TM Marca de Fábrica / SM Marca de Servicio de Sears Brands, LLC
MC Marque de commerce / MD Marque déposée de Sears Brands, LLC
© Sears Brands, LLC
Download from Www.Somanuals.com. All Manuals Search And Download.
|