Great Plains Gauge Wheel-Spindle - Manual (Page 9)

Great Plains Mfg., Inc.
Installation Instructions 9
04/10/2009 195-080M
Install Inner Bearing Cups
If existing bearing cups are still installed (were not
removed at step 37), skip to step 39.
Refer to Figure 11 and Figure 9 on page 8
38. Select two separately purchased:
822-118C BRG CUP 3.75OD TIM33821
With the thin lip of the cones facing out, seat the
cones in the axle-cup weldments from the outside,
location
in Figure 9.
Install Deep Inner Bearing Seal
Review Figure 9 and Figure 10 on page 8, and
Refer to Figure 12
39. Select one:
816-012C SEAL 3.375 X 2.0 X.438 CR20125
From the inside of the gauge wheel weldment, seat
the seal in the deeper axle-cup weldment
, with
the seal face oriented as shown in Figure 9
location
.
Seat the seal so that it is completely inside the nar-
row diameter of the weldment, and close to, but not
touching the bearing cup (
-right in Figure 9).
Install Keyless Hub
Prepare Keyless Hub
40. Select one each new:
195-351D SPNDL 2 X 24.7 1.5-12THD NOHLE
808-413C SPKT 50B19 2.88 KEYLESS BORE
Clean, de-grease and dry these parts.
Refer to Figure 13
41. Select one each new:
891-137C HUB KEYLESS 2.0 BORE X 2.88 OD
Study how this device works until you are familiar
with it, as some later instructions for tightening can
otherwise seem counter-intuitive.
42. On a work bench, slide the keyless hub onto the
spindle and add the sprocket . Rotate the
nut as needed until the inner collet just begins
to rub the spindle and the outer collet begins to
rub the sprocket . Back the nut off 1 ⁄
4
turn.
Remove the keyless hub from the spindle.
Remove the sprocket from the keyless hub.
Figure 11
Seat Bearing Cups
29446
70
70
70
a
Figure 12
Deep Seal and Keyless Hub
29442
26
1
30
26
1
b
5
Figure 13
Keyless Hub ( )
29449
30
30
8
7
9 14
25
30
30
14 25
7 8
9
25