Assembly Instructions Owner manual
Great Plains Manufacturing, Inc. Installation Instructions 9
06/02/2008 123-535M
Install Rate Adjuster
Refer to Figure 7 and Figure 26 on page 28
25. If the rate adjuster is already assembled and
mounted, continue at step 36. The handle pivot
is pre-installed.
Mount Adjuster Bracket
26. Select one:
123-410D GAUGE MOUNTING BRACKET
and two sets:
802-004C HHCS 1/4-20X3/4 GR5
804-006C WASHER LOCK SPRING 1/4 PLT
803-006C NUT HEX 1/4-20 PLT
27. Insert the bolt through the support plate ( ,
not shown), the box, the bracket , and loosely
secure with lock washer and nut .
Mount Scale Plate
28. If the scale plate is already mounted on the
bracket , loosen the nuts and continue at step
36.
29. Select one new:
819-087C NAME PLATE SEED ADJ. GUIDE
and two sets new:
801-001C SCREW RD HD 8-32 X 3/8 BRASS
804-002C WASHER INTERNAL STAR #8 BRASS
803-035C NUT HEX 8-32 BRASS
and four:
804-003C WASHER FLAT #8 BRASS
30. Loosely mount the scale plate on the rear face
of the bracket , using the brass 8-32 fasteners.
Use a flat washer under the screw heads and
under the lock washers .
Mount Adjuster Handle
31. Select one each new:
123-476H REAR SEED RATE ADJ HANDLE WLD
804-012C WASHER FLAT 3/8 SAE PLT
805-019C PIN COTTER 5/32 X 1 PLT
32. With the handle pointing down, and the indicator line
on top, slide the hole at the front end up onto the
adjustment handle pivot . Add the flat washer
and secure with cotter pin .
33. Select one each new:
123-113D LOCK TAB
803-058C NUT WING 5/16-18
802-282C RHSNB 5/16-18X1 GR5
34. Move the handle so that the indicator line is
between 0 and 100 on the scale . Place the lock
tab on top of the handle and above the bottom
lip of the bracket , with the bent tabs pointing
front and down.
35. Loosely secure the lock tab with the bolt and
wing nut .
Align Adjuster Indicator
36. Move the rate adjuster handle from left to right to the
full extent of its travel, while observing the handle
indicator line and the scale . Adjust the posi-
tion of the scale so that:
handle full left is at scale 0, and
handle full right is at scale 100.
Tighten all scale mounting hardware when this align-
ment is complete.
Figure 7
Small Seeds Rate Adjuster
27499
U
D
L
R
B
F
164
174
154
137
187
131
152
159
117
157
144
157
160
1
118
155
150
159
117
131
187
159
152
187 120
131
159 152
174
131
174
144
156
154
157
174
131
157
156
137
160
164
1
117
160 164
118
155
150
137
1
174
118
131
150
155
1
174