Great Plains 1006 Assembly Instructions - Manual (Page 11)

8/2/2005 151-118M
Great Plains Mfg., Inc.
11 Installation Instructions
Refer to Figure 13
9. Access drive gauge wheel hub by removing
end cap (1). Be careful and leave the hub seal
(2) in place. Remove plastic cap (3) on the in-
side end of the gauge wheel spindle. Insert
spindle bearing (4) into the area where the
plastic cap (3) was removed. Make sure the
set screws are accessible.
10. Insert right-hand lockout drive shaft (5)
through drive spindle, through bearing (4) and
through 19 tooth sprocket (6). The sprocket
will be located inside the gauge wheel arm.
Lock set screws on bearing.
11. Add lockout hub spacer (7), lockout hub seals
(8) and lockout end cap (9).
12. Assemble the idler assembly using one roller
(10), 1/2" x 2" bolt and 1/2" jam nut through
the hole nearest the cross piece on the idler
arm (11) as shown. Place 3/8" flat washer
over the pivot shaft on idler mount (12). Place
the other roller (10) between the remaining
holes in arm (11). Insert pivot shaft on idler
mount (12) through the arm and roller and in-
sert cotter pin in end of shaft.
13. Mount idler assembly to the bottom of gauge
wheel tube as shown. Thread the 5/8" jam nut
on to the 5/8" x 3 1/2" square head screw.
Thread the idler adjustment into the top of the
gauge wheel tube.
Refer to Figure 14
14. With the gauge wheel arm supported, remove
the pivot castings one at a time and replace
with 1" bore bearings (1) and (2). Place the
shorter one (1) in the outboard position and
use existing hardware. Place the longer cast-
ing (2) in the inboard position along with the
right-hand clutch mount (3) as shown. Use
5/8" x 2 1/2" bolts, 5/8" flat washers and 5/8"
lock nuts.
15. Attach clutch adjuster (4) to the clutch mount
(3) with a 3/8" x 3/4" carriage bolt, 3/8" lock
washer and 3/8" nut.
16. Insert the gauge wheel jackshaft (5) through
the outboard bearing. Add 19 tooth sprocket
(6) to the shaft so it is inside of the gauge
wheel tube. Add one 1" flat washer and roll
pin on the outboard end. Slide shaft inward
through the other bearing until the washer
rest against the outboard bearing. Lock set
screws to hold jackshaft in place.
Figure 13
Gauge Wheel Assembly
Figure 14
Pivot Castings
22572
22573