Great Plains 2525P Operator Manual - Manual (Page 42)

38 2020P/2025P and 2520P/2525P Great Plains Manufacturing, Inc.
118-231M 2013-05-10
• 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 on 25 series, 75 ft-lbs.
1 ⁄
2
in Grade 8 bolt on 25 series, 110 ft-lbs.
Note: Use “Torque Values Chart” on page 78 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.
Adjusting 25 Series Gauge Wheel Scrapers
Refer to Figure 46
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 ⁄
8
in
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 .
Figure 48
Disk/Gauge Wheel Adjustment
22524
22525
Starting Point
2
2
1
4
4
1
1
1
2
Figure 49
Gauge Wheel Scraper
25273
3
1
2
4
1
2 3
2 3
4
1 4
1