Great Plains 3S-4000 Assembly Instructions - Manual (Page 4)

Figure 6 18380
195-231M 7/22/10
Great Plains Mfg., Inc.
Replacement Gearbox 4
Refer to Figure 6.
19. Weld the idler mount plate to the frame tube
using the dimensions shown as a guide.
20. In each slot on idler mount plate, attach a 12-
tooth sprocket in this order: 1/2-inch bolt,
sprocket, jam nut, flat washer, idler mount
plate, lock washer, and nut.
21. Route chain around idlers and tighten to re-
move slack. Refer to Figure 5 on the previous
page for chain routing.
22. Go back to step 16 on page 3 and continue
with gearbox assembly instructions.