Great Plains 1520P Operator Manual - Manual (Page 58)

1510P and 1520P
118-732M 5/6/2010
56
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 67
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
sliding seed tube (3).
4. Inspect outer sliding seed tube for wear and
replace 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 68
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
sliding seed tube (3).
4. 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 in . Tighten
clamp (4).
6. Replace inner sliding seed tube inside outer
sliding seed tube as shown, fit into seed
meter grommet and tighten clamp (1).
Figure 67
Sliding seed tubes
18298
Outer sliding
seed tube
Inner sliding
seed tube
Figure 68
Sliding Seed Tube Replacement
23491
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.