Great Plains 1006 Assembly Instructions User Manual
Page 8

151-118M
8/2/2005
Great Plains Mfg., Inc.
Option Installation
8
Without Seed Box Agitator
Refer to Figure 10
10. Working at the front left side of the drill, re-
move the second and third front 1/2" x 1 1/4"
long bolts (1) that join the box to the frame. In-
stall the idler (5) 1/2" x 3" long bolt (20), 1/2"
flat washer, 1/2" jam nut and 1/2" flange lock
nut (23) to bracket (2) as shown.
11. Install bracket (2) and (6) as shown. Leave
loose until final assembly. Install the 7/8" hex
bore bearings (7) and flangettes (8) with 5/16"
x 1" round head square neck bolts (9) and
hardware as shown on plates (2) and (6). Be
careful to place the bearings on the side of the
plate as illustrated.
12. Slide the 7/8" hex jackshaft and 7/8" hex lock-
ing collars (12) on the inside between the
bearings. Place the 22 tooth sprocket (11) on
the inboard side of the shaft and the 12 tooth
sprocket (13) on the out board side of the
shaft.
13. Add 14 tooth sprocket (15) to the gearbox driv-
er shaft already installed on the drill.
14. Attach the 17 tooth idler sprocket (16) with
5/8" x 3 1/2" bolt (17), with 5/8" jam nuts (18)
and 5/8" flat washer as shown on plate (6).
15. Align the 7/8" hex shaft front to back and level
with the drill. Tighten brackets (2) and (6).
Align sprockets and idlers on plate (6) and add
chain (3) and route as shown.
16. Add chain between sprocket (13) and the
sprocket on the drive bracket for the small
grass seed drive and tighten with idler (5).
Figure 10
Lower Drive Assembly
21830