Figure 4, Figure 5, Chain routings – Great Plains 3S-4000 Assembly Instructions User Manual
Page 3

7/22/10
195-231M
Great Plains Mfg., Inc.
3
Installation Instructions
14. Route chain provided in kit over jackshaft
drive sprocket and gearbox input sprocket
(18). Use new idler (20) to remove chain
slack. Refer to Figure 5 for chain routing.
NOTE: You may need to remove links from the
chain.
15. Reroute chain removed in step 1 over gear-
box output sprocket (19) and seed-cup
sprocket. Refer to Figure 5 for chain routing.
If your drill is equipped with idlers mounted
behind the frame tube, route chain around
idlers and tighten to remove slack.
If your drill is not equipped with idlers mount-
ed behind the frame tube, go to step 17 on
Figure 4
18380
Idler mount
plate
page 4 to install idler mount plate shown in
Figure 4.
16. Refer to Figure 3 and assemble new gearbox
cover (24) on gearbox using two 3/8-inch,
self-tapping screws (25).
17. Assemble gearbox handle (26) onto gearbox
with 1/4-inch bolt, lock washer and flat wash-
er.
NOTE: On center box frame use existing gearbox
handle.
18. Attach brass tags removed in step 2 to new
gearbox covers.
Figure 5
Chain Routings
18399