Great Plains 2020 Vintage Drills - Manual (Page 6)

03-01-92 1-6
FLAT FOLD MARKER ASSEMBLY INSTRUCTIONS
FOR THE FOLLOWING INSTRUCTIONS, REFER TO THE ILLUSTRATIONS ON PAGE 5:
1. Lower the drill to field position and allow clearance of 16’ on drill for marker assembly from
each end of the box.
2. Attach the marker first section (#1) to the marker bracket at the end of the drill frame using 5/
8” x 2” long bolt (#35), lock washer (#9) and hex nut (#10).
3. Assemble the marker in a horizontal position, remove the port plugs in the hydraulic cylinder
to allow the fold cylinder to be extended. Then fold the first section and the lift lug (#1) to a hor-
izontal position.
4. With the stop block position on top of second section (#2) align the holes of the second section
with the holes of the first section (#1)and bolt together with the 5/8” x 5 1/2” long bolt (#5), lock
nut (#4) 3/8” x 2” long shear bolt (#6) and lock nut (#7).
5. Place the third section (#3) over the end of the second section (#2) and insert the hinge pin
(#19) through the second and third section pivot. Secure the hinge pin (#10) with 1/4” x 2” long
bolt (#17) and lock nut (#16).
6. Bolt the chain bar weldment (#13) to the first section (#1) with 3/8” x 3 1/4” long bolt (#11), and
lock nut (#7). The chain bar weldment (#13) should pivot freely on the 3/8” bolt (#11). Bolt the
chain bar (#18) to the third section (#3) with the 3/8” x 1 1/2” long bolt (#21) and lock nut (#7).
The chain bar (#18) should pivot freely on the 3/8” bolt (#21). Connect the marker chain (#15)
between the chain bar (#18) and chain bar weldment (#13) with 5/16” utility clevis (#14). With
the marker disk adjusted for seeding width and disk touching the ground adjust chain length to
remove the slack. Adjustment should be made at the utility clevis (#14) nearest to the drill.
7. The purpose of the 3/8” stop bolt (#12) is to hold tension on the marker chain (#15). ONLY
when the marker is in folding position. Therefore; the 3/8” stop bolt (#12) lock nuts (#7) should
be positioned in the lift arm (#1) so the head of the stop bolt extends as little as possible. After
marker is folded adjust stop bolt to tighten chain.
8. Mount the marker carrier (#27) with the transport arm mount weldment (#26) using 1/2” x 2” x
3” long u-bolts (#30), lock washers (#28), and hex nuts (#29) approximately 50” to 60” from the
outer end of the drill. Clamp the transport arm mount weldment (#23) to the drill frame with 3/8”
x 6” x 6 3/4” long u-bolts (#31) flat washers (#20) lock washers (#32) and hex nuts (#33). The
carrier arm should be set at 31 3/8” high above the drill frame.
9. Mount the support arm saddle (#34) to the support arm (#27) with 1/2” x 2” x 3” long u-bolts
(#30), lock washers (#28) and hex nuts (#29). The support saddle should be centered under the
marker chain and the square tube of the second section (#2) when folded to prevent wear. The
support arm should support the second section is parallel with the seed box lid. Adjustment can
be made by loosening u-bolts that clamp the marker carrier and slide marker carrier up or down
to parallel marker with drill box lid.
10.Fold the marker to transport position. With the marker chain (#15) in the slot of the support
arm saddle (#34) take up the slack in the marker chain by threading the 3/8” x 2 1/2” long hex
bolt (#13) out against the chain bar weldment (#13) lock this stop bolt in position with the two hex
nuts (#7).