Great Plains S3T - Manual (Page 4)

550-487M 12/22/2011
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
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
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
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.
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.
6. Attach two plates (one on top and one on bot-
tom) of arm assembly . Note measurement of 5 5/
16” from rear of spring to front of plate . Attach key
hole plate to outside of plates key hole plates .
Secure with 5/8 x 6 hex botlts , 5/8 lock washers
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
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 .
9. Attach other end of chain to front drag link assembly
with 7/16 x 1 1/2 hex bolt , 7/16 flat washers
(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
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.
12. All bolts may be tightened to specs, See “Torque
Values Chart” on page 22.
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