Great Plains 20 Series Drill Assembly Instructions - Manual

1
Installation Instructions
Great Plains Mfg., Inc.
© Copyright 1999 Printed 1/23/07
Used with:
•
•
•
123-835M
12, 15 and 20 Series Drill
Small Seeds Option
1200, 1210 and 1220 Drills
1500, 1510 and 1520 Drills
2000, 2010 and 2020 Drills
General Information
These instructions explain how to install the small-seeds attach-
ment. The small-seeds attachment mounts behind the main drill
box and allows you to evenly seed very fine seeds.
Manual Update
Refer to the drill operator’s manual for detailed information on
safely operating, adjusting, troubleshooting and maintaining the
small-seeds attachment. Refer to the parts manual for part iden-
tification.
• 12, 15 and 20 Series Drill Operator’s Manual . . 118-389M-A
• 12, 15 and 20 Series Drill Parts Manual. . . . . . . . . 118-389P
Definitions
Right and left as used in this manual are determined by facing
the direction the drill will travel in the field.
Assembly Instructions
If drill is outfitted with optional fertilizer box, refer to Small Seeds
with Fertilizer, page 4, for assembly instructions. If drill does not
have an optional fertilizer box, follow these instructions:
Small Seeds without Fertilizer
Refer to Figure 1.
1. Remove handles (1) from back side of main drill box. Keep
bolts, nuts and handles for later use. Remove and save 1/2-
by-1-inch bolt (2) joining main drill box to drill frame.
2. Install left-hand mount for small-seeds box (3) using 1/2-by-
1-inch bolt (2) in new hole and 1/2-by-1 1/4-inch bolt (4) sup-
plied in small-seeds kit. Fasten top of mount (3) to rear of
main drill box using handle holes. Use a new 1/2-by-1 1/4-
inch bolt (5) from small-seeds kit. Reuse 1/2-inch hex-flange
lock nut (6) on inside of main drill box. Leave mount nuts and
bolts loose.
3. Remove four 3/8-by-1-inch hex-flange bolts (7). Save these
bolts and nut for reuse in the same holes.
4. Bolt small-seeds box (8) to main drill box. At right-hand end
of box, use 3/8-by-1-inch bolts (7) removed in step 3. Also
add reinforcement strap (9) supplied in small-seeds kit to in-
side of main drill box. At other end of box, bolt small-seeds
box to mount (3) using 3/8-by-1-inch hex-flange bolts, lock
washer, and nuts (10) supplied in small-seeds kit.
5. On 15- and 20-foot drills, repeat steps to install right-hand
small-seeds box.
6. Tighten all hardware. If you are installing a15-foot box,
check operation of flex coupler where main drill box meet.
Set both boxes at 50 percent open, and make sure that the
ears on couplers (11) are overlapping by about 3/8 inch (9.5
mm).
Figure 1
Small-Seeds-Box, No Fertilizer
When you see this symbol, the subsequent instructions and
warnings are serious - follow without exception. Your life and
the lives of others depend on it!
!!
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