™
OWnERS
mAnuAl
model no.
45-03431
DETHATCHER
FOR SWEEPERS
CAUTION:
Read Rules for
Safe Operation
and Instructions
Carefully
•
•
•
•
•
Safety
Assembly
Operation
Maintenance
Parts
PRINTED IN U.S.A.
FORM NO. 42025 (05/27/09)
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HARDWARE PACKAGE - Full SiZE
8
5
6
7
9
13
14
15
12
16
17
11
10
18
NOT SHOWN FULL SIZE
24
22
20
19
23
21
REF. PART nO. qTY.
DESCRiPTiOn
REF. PART nO. qTY.
DESCRiPTiOn
5
6
7
8
9
10
11
12
13
14
46526
44292
43085
48813
48811
3
2
7
2
1
2
2
Hex Bolt, 1/2-13 x 3-1/2"
Hex Bolt, 5/16-18 x 2-1/2"
Hex Bolt, 5/16-18 x 1-1/2"
U-Bolt, 1/4-20
Hook, Transport
Washer, 5/16"
15
16
17
18
19
20
21
22
23
24
47810
43019
48115
48812
44481
48917
25054
46499
741-0248
42212
9
1
3
2
2
2
2
2
4
1
Nylock Nut, 5/16-18
Jam Nut, Plain 1/2-13
Jam Nut, Nylock 1/2-13
Clevis Pin, 5/16" x 1-3/8"
Vinyl Cap
43081
Clamp
R19171616
43070
Washer, 1/2"
Bracket, U-Bolt Clamp
Spacer, .8 x 1 x 2.55"
Flange Bearing
14 Washer, 3/8"
2
4
43055
47189
Hair Cotter Pin, 3/32"
Nylock Nut, 1/4-20
SMARTSweep Hook
3
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ASSEmBlY (All mODElS)
ASSEmBlY (nOn-SmARTSWEEP mODElS)
1. Assemble seven spring tines to the top of the frame
tube. Use a 5/16" x 1-1/2" hex bolt, two 3/8" flat
washers and a 5/16" nylock nut for each spring tine.
Place one 3/8" flat washer on top of the frame tube
and the second 3/8" flat washer on top of the spring
tine. See figure 1.
1. Assemble a conduit clamp onto each end of the
sweeper height adjustment tube so that the straight
part of the clamp is on top of the tube. See figure 3.
2. Remove the hitch brackets and the bolts, if present,
from the ends of the sweeper's hitch tubes. Slide the
transport hook onto the L.H. hitch tube as shown in
figure 3.
nOTE: On sweepers smaller than 42", use only five spring
tines.
3. Reassemble the hitch brackets and bolts to the hitch
tubes. Refer to your sweeper owner's manual.
2. Assemble a vinyl cap onto each end of the frame
tube. See figure 1.
5/16" x 1-1/2"
HEX BOLT
VINYL CAP
3/8" WASHER
TRANSPORT
HOOK
CONDUIT
CLAMP
FiGuRE 3
5/16" NYLOCK NUT
FiGuRE 1
4. Connect the sweeper to the tractor. Set the sweeper
height adjustment handle to about the middle of it's
adjustment range.
5. Place the dethatcher in front of the sweeper housing,
underneath the hitch tubes.
6. Connect the dethatcher to the conduit clamp using
two 5/16" x 1-3/8" clevis pins, 5/16" washers and
3/32" hair cotter pins. See figure 4.
3. Assemble a 1/2" washer, the wheel, another 1/2"
washer and a 1/2" plain jam nut onto the 1/2" x 3-1/2"
hex bolt. See figure 2.
4. Insert the bolt through the welded bracket and
assemble a 1/2" nylock jam nut onto the bolt. Adjust
nuts so that there is no end play in the wheel and
then tighten securely against the welded bracket.
Make sure the wheel still turns freely. See figure 2.
HEIGHT ADJUSTMENT
MIDDLE SETTING
5/16" x 1-3/8"
CLEVIS PIN
Use this hole for
42" & 46" sweepers
5/16" WASHER
Use this hole for
smaller sweepers and
SMARTSweepers
1/2" NYLOCK
JAM NUT
1/2" JAM NUT
1/2" WASHER
1/2" x 3-1/2" HEX BOLT
3/32" HAIR
COTTER PIN
FiGuRE 2
FiGuRE 4
4
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if you have a 30" sweeper, skip steps 7 through 9.
7. Make sure the sweeper height adjustment handle is
still set to about the middle of it's adjustment range.
8. Center the dethatcher with the sweeper.
ASSEmBlY (SmARTSWEEP mODElS)
nOTE: The dethatcher attaches to the SMARTSweep
9. Assemble the keeper brackets (bend to the inside)
to the sweeper's hitch tube, outside of the conduit
clamps. Use a u-bolt and two 1/4" nylock nuts
offset tube. This prevents you from offsetting the sweeper.
per bracket. Position the keeper brackets against
the sides of the conduit clamps, approximately
perpendicular to the ground. Tighten the nylock nuts
without bending the keeper brackets. See figure 5.
1. Assemble the four bearings to the two .8 x 1 x 2.55"
spacers and then slide each through a clamp. See
figure 7.
CLAMP
KEEPER BRACKET
U-BOLT
BEARING
BEARING
.8 x 1 x 2.55"
SPACER
FiGuRE 7
1/4" NYLOCK NUT
2. Attach each of the bearing, spacer, and clamp
assemblies to a mount bracket using a 1/2 x 3-1/2" hex
bolt and 1/2" nylock jam nut. See figure 8.
FiGuRE 5
10. Lift the front of the dethatcher and secure it in
transport position using the transport hook. See
figure 6.
TRANSPORT HOOK
1/2 x 3-1/2" HEX BOLT
1/2" NYLOCK
JAM NUT
FiGuRE 8
FiGuRE 6
5
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3. Fasten each clamp to the spring mount frame
assembly using one 5/16 x 1-3/8" clevis pin, 5/16"
washer, and 3/32" hair cotter pin.
OPERATiOn
RAiSinG/lOWERinG THE DETHATCHER
1. To raise the dethatcher for transport, lift up on the
front of the dethatcher and secure it with the transport
or SMARTSweep hook. Lower the dethatcher by
releasing the hook.
5/16 x 1-3/8"
CLEVIS PIN
5/16" WASHER
SETTinG THE OPERATinG POSiTiOn
1. The operating height of the dethatcher is controlled
by the gauge wheel at the front of the dethatcher
and is not adjustable. The correct wheel position
was determined in figure 2 when you assembled the
wheel.
3/32" HAIR
COTTER PIN
2. Set the sweeper to the desired operating height. (The
best height is usually with the brushes set about 1/2"
down into the grass.) Refer to your sweeper owner's
manual for sweeper.
FiGuRE 9
4. Secure the two mount brackets to the inner holes of
the drawbar offset tube of the sweeper using two 5/16
x 2-1/2" hex bolts and 5/16" nylock nuts. See figure 10.
uSinG THE DETHATCHER
Regular removal of thatch is critical to the maintenance of
a healthy lawn.Thatch is layer of stems, clippings, runners,
roots and leaves that have not decayed. Excessive thatch
prevents air, water and fertilizer from reaching the roots.
The dethatcher will effectively dislodge excessive thatch
5/16" x 2-1/2"
HEX BOLT
from your lawn.
1. Start with the tractor in low gear. Vary the forward
speed to determine the best speed for maximum
dethatcher performance.
2. Use a crisscross pattern to achieve the most even
removal of thatch.
3. On slopes, always operate in an up and down
direction only.
4. Avoid extremely sharp turns.
5/16" NYLOCK NUT
5. Avoid towing the dethatcher across sudden steep
dips in the ground while dethatching. Loss of ground
contact with the gauge wheel could cause the
dethatcher to be pulled back underneath the sweeper.
FiGuRE 10
5. Slide the SMARTSweep hook onto the sweeper hitch.
Lift up the front of the dethatcher and slide it into the
two bottom hooks to secure it in the transport position.
mAinTEnAnCE
1. Before each use, check all nuts and bolts for
tightness.
2. Clean after each use to help prevent rust.
3. If rust appears on the spring tines, sand lightly and
coat with enamel paint.
SMARTSWEEP HOOK
STORAGE
1. Always store in a dry area, and coat exposed metal
with light oil when not in use.
FiGuRE 10
6
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REPAiR PARTS FOR mODEl 45-03431 DETHATCHER FOR SWEEPERS
6
5
4
17
7
12
15
18
10
20
23
24
2
23
22
12
13
19
18
1
15
10
20
17
8
16
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14
11
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9
19
5
REF. PART nO. qTY.
DESCRiPTiOn
REF. PART nO. qTY.
DESCRiPTiOn
1
2
3
4
5
6
7
8
9
10
11
12
13
64650
46761
48098
26624
46526
44292
43085
48813
48811
43081
R19171616
43070
43055
1
7
1
2
3
2
7
2
1
2
2
Spring Mount Frame Assem.
Spring Tine
Gauge Wheel
14
15
16
17
18
19
20
21
22
23
24
47189
47810
43019
48115
48812
44481
48917
25054
46499
741-0248
42212
42025
4
9
1
3
2
2
2
2
2
4
1
1
Nylock Nut, 1/4-20
Nylock Nut, 5/16-18
Jam Nut, Plain 1/2-13
Jam Nut, Nylock 1/2-13
Clevis Pin, 5/16" x 1-3/8"
Vinyl Cap
Mount Bracket
Hex Bolt, 1/2-13 x 3-1/2"
Hex Bolt, 5/16-18 x 2-1/2"
Hex Bolt, 5/16-18 x 1-1/2"
U-Bolt, 1/4-20
Hook, Transport
Washer, 5/16"
Clamp
Bracket, U-Bolt Clamp
Spacer, .8 x 1 x 2.55"
Flange Bearing
SMARTSweep Hook
Owner's Manual
Washer, 1/2"
14 Washer, 3/8"
Hair Cotter Pin, 3/32"
2
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REPAiR PARTS
Agri-Fab, Inc.
303 West Raymond
Sullivan, IL. 61951
217-728-8388
This document (or manual) is protected under the U.S. Copyright Laws and the copyright laws of foreign countries,
pursuant to the Universal Copyright Convention and the Berne convention. No part of this document may be reproduced
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information storage or retrieval system, without the express written permission of Agri-Fab, Inc. Unauthorized uses and/or
reproductions of this manual will subject such unauthorized user to civil and criminal penalties as provided by the United
States Copyright Laws.
© 2003 Agri-Fab, Inc.
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