Great Plains 2525A Operator Manual - Manual (Page 49)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 45
2013-06-04 Table of Contents Index 118-999M
• If wheel does not fall freely, loosen hex-head bolt
and slide wheel arm out just until wheel and arm move
freely. Retighten hex-head bolt
according to grade:
1 ⁄
2
in Grade 5 bolt, 75 ft-lbs (102 N-m).
1 ⁄
2
in Grade 8 bolt, 110 ft-lbs (149 N-m).
Note: Use “Torque Values Chart” on page 90 for refer-
ence.
6. Keep turning hex adjuster and moving wheel arm
until the wheel is adjusted properly. When satisfied,
tighten pivot bolt
to 110 ft-lbs (149 N-m).
Adjusting Gauge Wheel Scrapers
Refer to Figure 42 (depicting a bottom view)
Scrapers are optional, and may be useful in moist or
sticky soils that tend to accumulate on gauge wheels and
reduce intended planting depth.
To adjust scrapers:
1. Loosen nut .
2. Slide scraper toward gauge wheel until scraper
touches tire.
3. Slide scraper away from wheel leaving a
1
⁄
8in (3mm) gap at .
4. Rotate scraper left and right around bolt, making
sure it cannot touch tire if bumped in field. If it can
touch tire, back scraper away from wheel until it can-
not.
5. Center scraper angle on bolt until gap is con-
stant.
6. Tighten nut .
Starting Point
Figure 41
Disk/Gauge Wheel Adjustment
22524
22525
2
2
1
4 4
1
1
1
2
Figure 42
Gauge Wheel Scraper
25273
8
5
6
7 5
6 8
6 8
7
5 7
5