Great Plains 2420P Operator Manual - Manual (Page 55)

2012-04-17 118-769M
53 Maintenance and Lubrication
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 Figure 68.
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
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