™
OWNERS
MANUAL
Model No.
45-04381
40" FRONT MOUNT
TINE DETHATCHER
Safety
Assembly
Operating
Maintenance
Repair Parts
CAUTION:
Read Rules for
Safe Operation
and Instructions
Carefully
FORM NO. 42688 (09/12/12)
PRINTED IN USA
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6
1
2
3
4
5
7
8
10
12
11
9
REF PART NO. QTY DESCRIPTION
REF PART NO. QTY DESCRIPTION
1
2
3
4
5
6
44326
43063
43001
43087
43069
12
2
4
2
4
Carriage Bolt, 5/16-18 x 1"
Hex Bolt, 5/16-18 x 1"
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"
Flat Washer, 5/8"
7
8
9
10
11
12
43343
46838
44044
43055
47810
6
4
1
1
14
10
Hairpin Cotter, 1/8"
Spacer, .8" x 1" x .5"
Clevis Pin, 3/8" x 3/4"
Hairpin Cotter, 3/32"
Nylock Nut, 5/16-18
Nylock Nut, 3/8-16
R19212113
4
HA21362
17
18
15
14
16
13
22
21
23
19
20
26
25
27
24
REF PART NO. QTY DESCRIPTION
REF PART NO. QTY DESCRIPTION
13
14
15
16
17
18
19
20
24876
23668
62600
23666
62601
43943
27453
26043
2
1
1
2
1
1
1
1
Mounting Arm
Axle Bushing
Lift Handle
Angle Mount Bracket
Lift Handle Bracket
Plastic Grip
21
22
23
24
25
26
27
24043
23673
24874
44148
23676
44213
27452
1
1
1
1
2
1
1
Lift Handle Arm
Handle Lock Bracket
Tine Shield
Axle
Keeper Plate
Wheel
Hitch Plate
Mounting Shaft
Frame Mount Bracket
3
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•
•
Remove any front mounted attachments which may
be installed on your tractor.
Stop engine and let muffler cool before
attempting to install dethatcher hitch
brackets.
Mark all loose parts and save for reassembly.
1
1
LEFT END
17
17
1
23
x 1
x 2
TINES POINT
TO FRONT
11
x 2
11
2
23
16
1
16
11
x 2
x 4
1
x 4
11
3
13
14
4
14
1
11
x 1
1
x 4
x 2
11
12
x 4
12
x 2
4
13
x 2
4
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4
26
7
APPLY OIL
24
6
x 1
x 1
6
7
26
24
x 1
x 2
5
6
7
7
6
x 2
x 1
6
7
20
x 1
20
7
x 2
5
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ATTACHING DETHATCHER TO TRACTOR
7
•
If the front of your tractor has front mounting holes as
shown in figure 7, continue on to figure 8.
•
If the front of your tractor DOES NOT have front
mounting holes, go to figure 9.
FRONT MOUNTING HOLES
8
•
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.)
SELF THREADING BOLT
FRONT
•
•
From behind tractor's front crossmember, insert two
3/8" x 1" hex bolts (3) through holes in crossmember
and through upper slots in hitch bracket. Secure with
two 3/8" nylock hex nuts (12).
3
Go to figure 11 on page 7.
12
SELF THREADING BOLT
19
FIGURES 9 AND 10 ARE ONLY FOR TRACTORS WITH NO FRONT MOUNTING HOLES. FOR
ALL OTHER TRACTORS CONTINUE TO FIGURE 11.
9
27
27
3
19
x 1
x 1
3
19
12
12
x 4
x 4
6
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10
•
Assemble the frame mount bracket (27) to the tractor
frame using four 3/8" x 1-1/2" carriage bolts (5),
spacers (8) and 3/8" nylock nuts (12). The spacers (8)
go between the tractor frame and the frame mount
bracket.
8
12
5
27
11
21
11
1
1
22
x 1
x 2
21
22
11
x 2
x 1
12
FRONT
11
2
x 2
21
x 2
11
19
21
x 1
19
2
x 1
7
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13
•
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.
FRONT OF TRACTOR
SLOT
HITCH
PLATE
MOUNTING
SHAFT
(LARGE) 1/8"
HAIRPIN COTTER
KEEPER
PLATE
14
15
18
10
x 1
x 1
15
18
22
21
17
10
x 1
9
x 1
17
9
x 1
15
•
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.
MOUNTING
ARMS
AXLE
BUSHING
ANGLE BRACKETS
•
•
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.
TINE SHIELD
TINES
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.
GROUND
8
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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
FIGURE 17
OPERATING TIPS
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).
(Refer to figure 18).
•
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.
TO REMOVE DETHATCHER FROM TRACTOR
(Refer to figure 17).
HITCH
PLATE
KEEPER
PLATE
•
•
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
•
Slide lift handle out between lift handle arm and
handle lock bracket.
HAIRPIN COTTER
COTTER
FIGURE 18
9
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Leveling the dethatcher
KNOW YOUR 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
FIGURE 20
HOW TO USE YOUR DETHATCHER
To raise dethatcher to transport position:
•
To replace a spring tine:
a. Use a screw driver to pry the tabs up off of the
spring tine.
b. Remove old 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 21.
•
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.
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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40" TINE DETHATCHER MODEL 45-04381
11
18
1
27
22
21
5
8
15
12
2
12
10
25
7
9
1
3
17
1
19
11
12
16
7
20
11
13
23
7
16
1
A
7
A
7
25
6
6
13
4
14
24
11
28
11
6
6
29
26
7
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
44326
43063
43001
43087
43069
12
2
4
2
4
4
6
4
1
Carriage Bolt, 5/16-18 x 1"
Hex Bolt, 5/16-18 x 1"
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"
Flat Washer, 5/8"
Hairpin Cotter, 1/8"
Spacer, .8" x 1" x .5"
Clevis Pin, 3/8" x 3/4"
Hairpin Cotter, 3/32"
Nylock Nut, 5/16-18
Nylock Nut, 3/8-16
Mounting Arm
16
17
18
19
20
21
22
23
24
25
26
27
28
29
23666
62601
43943
27453
26043
24043
23673
24874
44148
23676
44213
27452
43783
47633
42688
2
1
1
1
1
1
1
1
1
2
1
1
10
2
1
Angle Mount Bracket
Lift Handle Bracket
Plastic Grip
Hitch Plate
Mounting Shaft
Lift Handle Arm
Handle Lock Bracket
Tine Shield
Axle
Keeper Plate
Wheel
Frame Mount Bracket
Spring Tine
Wire, Spring Alignment
R19212113
43343
46838
44044
43055
47810
HA21362
24876
23668
1
14
10
2
1
1
Axle Bushing
Lift Handle
Owners Manual
62600
11
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REPAIR PARTS
Agri-Fab, Inc.
809 South Hamilton
Sullivan, IL. 61951
217-728-8388
© 2006 Agri-Fab, Inc.
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