Adjusting gauge wheel scrapers – Great Plains YP4025A Operator Manual User Manual
Page 83
Great Plains Manufacturing, Inc.
Adjustments
79
2013-04-24
401-627M
• 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 (102 N-m).
1
⁄
2
in Grade 8 bolt on 25 series, 110 ft-lbs (149 N-m).
Note: Use “Torque Values Chart” on page 147 for
reference.
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 98 (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
in
(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
cannot.
5.
Center scraper angle on bolt
until gap
is
constant.
6.
Tighten nut
.
Starting Point
Figure 97
Disk/Gauge Wheel Adjustment
22524
22525
2
2
1
4
4
1
1
1
2
Figure 98
Gauge Wheel Scraper
25273
8
5
6
7
5
6
8
6
8
7
5
7
5