Great-plains 2525P Operator Manual User Manual Page 67

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4/23/2010
118-915M
65
Maintenance and Lubrication
Seed Tube Maintenance
Refer to Figure 90
Clean inner sliding seed tube if it will not slide. Re-
place inner sliding seed tube if you see any visible
cracks.
Sliding Seed Tube Replacement
Refer to Figure 91
To replace inner sliding seed tube, follow these
steps:
1. Make sure seed box is empty.
2. Loosen bottom clamp (1).
3. Pull inner sliding seed tube (2) out of seed
meter grommet and pull inner tube down and
out of outer sliding seed tube (3).
4. Inspect outer sliding seed tube for wear and
replace if necessary. Loosen top clamp (4)
and pull outer sliding seed tube from seed box
grommet.
5. Fit new outer sliding seed tube into seed box
grommet. The distance from seed box grom-
met lip to the top of the clamp should be no
more than 3/16 inch, see insert. The outer
sliding seed tube must extend above the rub-
ber grommet by 1/4” to 3/8” for 20 series
openers and by 1/2” to 5/8” for 25 series
openers, see insert. Tighten clamp (4).
6. Place new inner sliding seed tube inside outer
sliding seed tube. Make sure the chamfer on
the inside of the tube is up as shown.
7. Fit inner sliding seed tube into seed meter
grommet and tighten clamp.
8. Replace inner sliding seed tube inside outer
sliding seed tube as shown, fit into seed
meter grommet and tighten clamp (1).
18298
Outer sliding
seed tube
Inner sliding
seed tube
Figure 90
Figure 91
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