Great Plains 3N-4025P Operator Manual - Manual (Page 157)

Great Plains Manufacturing, Inc. Table of Contents Index Maintenance and Lubrication 153
2014-01-29 Table of Contents Index 196-538M
5. To prevent plugging loosen clamp bolt and slide
arm inward to take up gap between side wheel and
disk blade.
6. Adjust side gauge wheels. See “Side Gauge Wheel
Adjustments” on page 111.
20 Series Opener Disk Spreader
Refer to Figure 212 and Figure 213
1.
Remove side gauge wheel arm and wheel assembly
by removing
5 ⁄
8
-11x2
1 ⁄
2
bolt to access opener
disks and spreaders.
2. With the unit raised, check blade spread for wear.
Replace spreader if it is
7 ⁄
16
inch (11 mm) wide or
narrower, or if opener is plugging with dirt. To
replace, remove disk blade
. Drive out roll pins
and install a new spreader.
Note: Disk spreaders are loose to move freely.
Figure 213
20 Series Spreader-Scraper
20433
a
b
c
8
8
a
b c