Great Plains YP4025F-1670 Operator Manual - Manual (Page 84)

80 YP4010HD/YP4025/F Table of Contents Index Great Plains Manufacturing, Inc.
401-571M Table of Contents Index 2014-09-08
Refer to Figure 100
To adjust side gauge wheels:
1. Raise the planter and install lift cylinder locks.
2. Loosen hex-head bolt . Move wheel and arm out
on O-ring bushing.
3. Loosen pivot bolt Turn hex adjuster so indicator
notch is at 5 o’clock to 7 o’clock.
Note: Use this as the starting point for adjustment.
4. Move wheel arm in so side gauge wheel contacts
row unit disk. Tighten hex-head bolt
to clamp arm
around bushing and shank.
5. Check wheel-to-disk contact at 2 in. (5.2 cm)
planting depth, as shown in Figure 99. Lift wheel
2 in., check contact and release. Wheel should fall
freely.
• If wheel does not contact disk at bottom to area where
blade leaves contact with soil, move hex adjuster until
wheel is angled for proper contact with disk.
• 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.
Note: Use “Torque Values Chart” on page 168 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).
Gauge Wheel Scraper Adjustments
Note: Applies only to 25P Series openers.
Scrapers are optional, and may be useful in moist or
sticky soils that tend to accumulate on gauge wheels,
reducing intended planting depth.
25 Series Side Gauge Wheel Scrapers
Refer to Figure 101
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.
(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 angle on bolt until gap is constant.
6. Tighten nut .
Figure 100: 25P:
Disk/Gauge Wheel Adjustment
22524
22525
3
2
1
4 4
1
1
2 3
4
1
1
1
2
Figure 101: 25P Series:
Gauge Wheel Scraper
25273
3
1
2
4
1
2 3
4
1 4
1