Final drive connection – Great Plains 1205NT Assembly Instructions User Manual
Page 7

Great Plains Mfg., Inc.
Front
Installation Instructions
7
2014-06-16
Front
118-598M
Final Drive Connection
Select one new:
136-060D CHAIN RL #40 61 PITCHES or
136-110D CHAIN RL #40 100 PITCHES
2.
Thread the drive chain
back through the cutout
in the box, around the agitator sprocket
and
back to the front 12 tooth sprocket
as shown.
After connecting the chain, check the alignment of
the sprockets. Move the agitator sprocket
if
needed and hold its alignment by its set screw.
Change the position of the idler sprocket as
needed by adjusting the
5
⁄
8
inch jam nuts (
,
3.
On drills equipped with the Small Seeds or
Fertilizer Attachment, route chain
under the
second idler, and back around the agitator
sprocket
as shown.
4.
Once all the chains are aligned, tighten all the
hardware shown in Figures 5 & 6. Be sure to lock
the
3
⁄
4
inch hex bore collar
(inside the seed
box) against the bearing mounted to the idler
plate.This will hold the
3
⁄
4
inch hex shaft in
position.
5.
Tighten chain
or
, by moving the
7
⁄
8
inch hex
jackshaft
forward by using the slots in bearing
plates
and
.
6.
To remove the excess slack from chain
coming
from the gauge wheel, move the 12 tooth idler
sprocket
forward and tighten.
7.
Raise the hydraulic cylinder back into operating
position and re-pin.
46
40
45
40
48
44
47
74
39
37
Figure 8
Small Seed Attachment Agitation
36310
46
48
46
40
71
40
61
48
40
36
48
46
44
45
39
47
74