Great Plains Native Grass Cup Enhancement Kit - Manual (Page 2)

Great Plains Mfg., Inc.
2 Native Grass Cup Enhancement Kit
202-598M 10/24/2006
Installation
Instructions for All Models
1. Clean out any seed in box.
2. Disconnect seed hoses from the meter cups.
3. Remove final drive sprockets at the Native Grass
(NG) seed box and remove drive chains at the box.
4. Access to the tray and feeder cups may require addi-
tional removal of walkboards and small seed boxes.
Fixed-Tray Drill Disassembly
On these models, the upgrade is easiest if the entire
Native Grass seed box is removed.
5. Remove the Native Grass seed box.
Removable-Tray Drill Disassembly
On these models, the upgrade is easiest if just the seed
tray is removed.
5. On the end of the Native Grass feeder cup shaft with
the drive sprocket, remove the screws from the cast
bearing housing, drop that end of the shaft out of its
slot, and pull the assembly out of the hole at the far
end of the shaft, removing the tray from the seed box.
Instructions for All Models
Remove existing feeder cups and sprockets.
Refer to Figure 1 (which depicts a fixed-tray seed box, but the disas-
sembly process is identical for removable-tray)
6. Remove the
1 ⁄
4 -20 screws, nuts and washers
➂
that
attach the NG feeder cups
➀
to the tray.
Save the screws, washers and nuts.
Save the NG feeder cups.
7. At each NG feeder cup sprocket
➃
, insert the 6in
hex wrench, and loosen the sprocket set screw
➁
two full turns.
8. Remove the 10-24 screws, nuts and washers
➄
that attach the existing wheel covers tray.
Save the screws, washers and nuts.
Save the wheel cover plates.
The existing gasket is not re-used.
9. Remove the set screw from each feeder sprocket.
Save the set screw.
10. Orient the box or tray so that the existing sprockets
➃
will fall away safely, and slide the drive shaft out
of the far end bearing, then each feeder cup
sprocket. The sprockets are not re-used.
➀
➁
➂
➃
➄
Figure 1
Cup Disassembly
25122