Great Plains 1525P Operator Manual - Manual (Page 63)

8/14/2006 118-949M
61 Maintenance and Lubrication
Seed Tube Maintenance
Inner Sliding Seed Tube Replacement
Clean inner sliding seed tube if it will not slide. Re-
place inner sliding seed tube if you see any visible
cracks.
Refer to Figure 73
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 down out of outer slid-
ing seed tube (3).
4. Inspect outer sliding seed tube for wear and re-
place if necessary.
5. 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.
6. Fit inner sliding seed tube into seed meter
grommet and tighten clamp.
Outer Sliding Seed Tube Replacement
Replace outer sliding seed tube if you see exces-
sive wear on the inside of the tube.
Refer to Figure 74
To replace outer 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 down out of outer slid-
ing seed tube (3).
4. Inspect outer sliding seed tube for wear and re-
place 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 grommet
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 rubber grom-
met by 1/2” to 5/8” for 25 series openers, see in-
sert. 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.
Figure 73
Sliding seed tubes
18298
Outer sliding
seed tube
Inner sliding
seed tube
7. Fit inner sliding seed tube into seed meter grom-
met 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).
Grommet Maintenance
Periodically check seed meter and seed box grom-
mets for weathering or cracking and replace as
necessary. Check sliding seed tubes at this time to
make sure they slide freely.
Figure 74
Sliding Seed Tube Replacement
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