GREAT PLAINS Yield-Pro YP4025A-48TR20, Operator'S Manual

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YP4025A-48TR20 Table of Contents Index Adjustments 85
2019-03-19 Table of Contents Index 411-198M
•
If wheel does not fall freely , loosen hex-head bolt
and slide wheel arm out just until wheel and arm
move freely. Tighten hex-head bolt
according to
grade:
1
/
2
inch Grade 5 bolt on 25 series,
75 foot-pounds (102 N•m).
1
/
2
inch Grade 8 bolt on 25 series,
110 foot-pounds (149 N•m).

Use “ Torque Values Chart ” on page 152 for
reference.
6. Keep turning hex adjuster and moving wheel arm
until the wheel is adjusted properly. When satisfied,
tighten pivot bolt to 110 foot-pounds (149 N•m).
Adjusting Gauge Wheel Scrapers
Refer to Figure 92 (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

8
inch (3 mm) 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
cannot.
5. Center scraper on bolt until gap is constant.
6. Tighten nut .
Starting Point
Figure 91
Disc/Gauge Wheel Adjustment
22524
22525
2
2
1
3
3
1
1
1
2
Figure 92
Gauge Wheel Scraper
25273
3
1
2
4
1
2 3
2 3
4
2 4
1