Great Plains S3T User Manual
1 S3T & Reel Great Plains Manufacturing, Inc.
S3T & Reel Update
Using This Manual
This manual was written to help you assemble and prepare the new finishing attachment. The manual includes
instructions for assembly and setup. Read this manual
and follow the recommendations for safe, efficient and
proper assembly and setup.
The information in this manual is current at printing.
Some parts may change to assure top performance.
Definitions
The following terms are used throughout this manual.
A crucial point of information related to the preceding topic.
Read and follow the directions to remain safe, avoid serious
damage to equipment and ensure desired field results.
Note: Useful information related to the preceding topic.
Right-hand and left-hand as used in
this manual are determined by facing
the direction the machine will travel
while in use unless otherwise stated.
An orientation rose in some line art
illustrations shows the directions of: Up,
Back, Left, Down, Front, Right
R
F
U
B
L
D
R
FigureSpacer:
L
Figure 1
Right / Left
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550-487M 12/22/2011
2 S3T & Reel Great Plains Manufacturing, Inc.
Models Covered
8318DVN 18-Foot 3-section
8324DVN 24-Foot 3-section
7548DV 48-Foot 5-section
8328DV 28-Foot 3-section
8537DV 37-Foot 5-section
8544DV 44-Foot 5-section
An operator’s and parts manual is also provided with the
machine or can be viewed on Great Plains web site.
Read and understand “Important Safety Information”
and “Operating Instructions” in the operator’s manual
before assembling the machine. Refer to the parts manual for proper part’s identification. As a reference, keep
the operator’s and part’s manual on hand while assembling.
Document Family
550-466M Operator Manual
550-466P Parts Manual
550-353M Operator Manual
550-353P Parts Manual
550-221M Operator Manual
550-221P Parts Manual
Tools Required
• Basic Hand Tools
• Torque Wrench
• Fork Truck, Overhead Hoist or Loader
Pre-assembly Checklist
1. Before assembling, read and understand “Important
Safety Information” in front part of operator’s manual.
2. Have at least two people on hand while assembling.
550-487M 12/22/2011
Great Plains Manufacturing, Inc. S3T & Reel Update 3
12/22/2011 550-487M
4 S3T & Reel Great Plains Manufacturing, Inc.
Assembly
S3T Bar & Spike Drag
Refer to Figure 2
1. Attach arm assemblies to rear bar of machine with
3/4 x 4 1/32 x 4 1/2 u-bolts , 3/4 lock washers and
1
2
nuts.
Note: See Layout drawings pages 8-16 for proper arm
placements.
2. Mount front bar assembly to rear of adjustable link
and link , with 5/8 x 3 1/2 hex bolts , 5/8 top
4 5 6
3
lock nuts.
3. Attach top of 15 link drag chains to bottom side of
arm assemblies with 3/8 x 1 1/4 hex bolts 3/8
1 8
7
lock washers and 3/8 nuts.
4. Slide lower link of 15 link drag chains into slot on
spike drag bar bracket , secure with 3/8 x 2 1/2 hex
bolt , and top lock nut.
10
5. Align holes in harrow link with holes in spike drag
bar bracket , secure with 5/8 x 2 7/8 special bolts
and 5/8 top lock nuts.
12
9
6. Attach two plates (one on top and one on bottom) of arm assembly . Note measurement of 5 5/
9
11
13
1
16” from rear of spring to front of plate . Attach key
7
13
hole plate to outside of plates key hole plates .
Secure with 5/8 x 6 hex botlts , 5/8 lock washers
14 13
15
and 5/8 nuts.
7. Attach safety chain spring loop to inside of key
hole plate with 1/2 x 1 1/2 hex bolt , 1/2 flat
14 17
16
washer, 1/2 lock washer and 1/2 nut.
8. Attach one end of 25 link pull chain to slotted hole
in key hole plate .
14
18
9. Attach other end of chain to front drag link assembly
with 7/16 x 1 1/2 hex bolt , 7/16 flat washers
19 20
(one on bolt and one under plate) and 7/16 nylock
nut.
10. Attach polyurethane bumper to top side of arm
assemblies with 5/16 x 1/2 hex bolts and 5/16
1
21
22
flat washers.
11. Attach front bar mount assembly with 1/2 x 2 1/2 x
3 1/2 u-bolts , 1/2 lock washers and 1/2 nuts.
24
23
12. All bolts may be tightened to specs, See “Torque
Values Chart” on page 22.
550-487M 12/22/2011
Great Plains Manufacturing, Inc. Assembly 5
2
1
1
15
13
22
17
14
6
5
20
18
16
4
8
23
21
6
6
3
7
9
24
19
10
12
9
12
11
ull4:
S3T Bar & Spike Drag Assembly
12/22/2011 550-487M
Figure 2
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6 S3T & Reel Great Plains Manufacturing, Inc.
Reel Following S3T
Refer to Figure 3
1. Slide spring over tube of reel arm assembly .
Align other end of spring to tube on front plate of
arm assembly and let the rest of the reel arm
assembly rest on the pad towards rear of arm
assembly .
2. Secure reel arm assembly to arm assembly with
3/4 x 4 hex bolt and 3/4 top lock nut. Tighten top
1 2
1
3
2
3
2 3
4
lock nut snug but do not torque as arm needs to
pivot.
Note: Adjust nut on reel arm assembly snug to hold
5
3
spring on round tube on front plate of arm assem-
bly . When rest of drag is installed, set the pre-
3
load pressure on spring, See “5-Section Fold
Catch Assembly” on page 8.
Note: See Layout drawings pages 8-16 for proper reel
placements.
3. Attach reel assemblies to rear plates of reel arm
assembly with 3/4 x 4 1/32 x 4 1/2 u-bolts , 3/4
2 7
6
lock washers and 3/4 nuts.
4. All u-bolts may be tightened to specs, See “Torque
Values Chart” on page 22.
550-487M 12/22/2011
Great Plains Manufacturing, Inc. Assembly 7
4
1
2
5
4
3
7
6
ull4:
12/22/2011 550-487M
Figure 3
Reel Assembly
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