Great Plains 1005NG User Manual
Great Plains Mfg., Inc.
Native Grass Hex Shaft Update Kits
705NG and 1005NG Drills
Used with:
• 705NG drills serial number 1948Q and earlier
• 1005NG drills serial number 5533U and earlier
General Information
These instructions explain how to install the Hex Shaft
Update Kits. This upgrade is required if any other Native
Grass box components are being upgraded from round
shaft to hex shaft.
Note: The shaft in this kit is only compatible with
shaft paddles and agitators (not included). Any
existing round-shaft components will not fit on the
new hex shaft.
These instructions apply to:
3
⁄4in hex
Installation Instructions 1
Option Package Part Number
705 NG 3/4 HEX SHAFT KIT 202-610A
1005 NG 3/4 HEX SHAFT KIT 202-611A
Before You Start
Each kit converts one drill.
For each kit, inventory the contents per the “Parts Lists”
on page 7.
Review the instructions, to make sure the steps are
understood and what tools are expected.
Have the following items at hand:
• Operator’s Manual for your drill
• Updated Parts Manual for your drill
• Basic hand tools
If necessary, move the drill to a dry well-lighted location
suitable for disassembly. The drill may be raised or lowered for this work.
1. Empty the Native Grass box.
2. Secure the tractor.
Figure 1
Shaft Upgrade
Notations and Conventions
“Left” and “Right” are facing in the
direction of machine travel. An orientation rose in the line art illustrations
shows the directions of Left, Right,
Front, Back, Up, Down.
1
11 21
to
51 62
to
callouts identify components in the currently
referenced Figure or Figures.
callouts reference new parts from the list on
page 7. The descriptions match those on the
cartons, bags or item tags, as well as your
updated Parts Manual.
callouts reference affected existing parts.
The descriptions match those in your Parts
Manual.
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U
F
L
R
B
D
©Copyright 2007 Printed 02/29/2008 202-612M
2 Hex Shaft Update Kits
Old Component Removal
Dismount Chain
Refer to Figure 2
3. On both ends of the Native Grass seed box, flip out
the snap fasteners . Lift the access panels up
and out, and save them.
Refer to Figure 3
4. Loosen the idlers .
1
1
Great Plains Mfg., Inc.
1
5. Remove the chain from the drive sprocket
and let it hang toward the idlers.
253
Remove Old Sprocket
Refer to Figure 3
6. Remove and save the:
60
PIN LINCH 1/4 X 1 3/4 PLT
7. Remove the:
53
24T SPEED CHANGE SPROCKET
It is not re-used.
Loosen Shaft Components
Loosen Agitator Set Screws
Refer to Figure 4
8. At each Native Grass seed cup row, loosen or
remove one or two:
56
SCREW SET SQ HD 3/8-16 X 3/4CP
from each:
54
AGITATOR WELDMENT 7,7 1/2 & 8
or
55
ROD AGITATOR
The set screws are not re-used.
U
R
F
B
L
D
Figure 2
Remove Access Panels
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1
53
60
Figure 3
Dismount Chain
18113
U
54
D
R
B
55
F
L
56
56
Figure 4
Loosen Old Agitators
202-612M 02/29/2008
26285
Great Plains Mfg., Inc.
Installation Instructions 3
Disassemble Flangettes
Refer to Figure 5
9. At the (left) drive end of the seed box, at each
partition , and at the right end , remove two
each:
58
59
57
from the halves of the
62
The fasteners are not re-used. The screws are
replaced by different size screws in the kit. The
flangettes, washers and nuts are the same as in
the kit, but the kit includes new parts.
2 3
NUT HEX 5/16-18 PLT
WASHER LOCK SPRING 5/16 PLT
HHCS 5/16-18X3/4 GR5
FLANGETTE 47 MST
1
Loosen Bearing Set Screws
Refer to Figure 5
10. At the (left) drive end of the seed box, at each
partition , and at the right end , loosen or
remove two set screws from each:
61
2 3
BEARING 3/4BORE 47MM SPHERE OD
1
57
1
62
3
2
58
59
62
Figure 5
Disassemble Flangettes
U
F
L
R
B
D
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61
The set screws are not re-used.
Remove Old Shaft
11. From the drive side, slide the
51
7’ NATIVE GRASS SHAFT
or
52
NATIVE GRASS 114 BOX SHAFT
out from all loosened components. The shaft is not
re-used.
12. Remove shaft components as they clear the end of
the shaft. None are re-used.
51 52
Figure 6
Loosen Old Bearings
U
F
L
R
B
D
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02/29/2008 202-612M
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