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simultaneously. To do this, you need to be in front of the machine (Figure 15).
• Lift the lock piece up.
• Push the tube racks backwards.
• Make sure that the tube rack moves smoothly and not at a slant, for example.
There are three ways to perform the calibration test:
• Simultaneously for the seed and fertilizer, in which case all power transmission pins are in
place.
• Separately for the seed, in which case you need to remove the snap ring pin from the end of
the fertilizer axel. Remember to replace the pin after the calibration test
• Separately for the fertilizer, in which case you need to remove the seed-side cassette pin.
Remember to replace the pin after the calibration test.
FIGURE 14. Ground wheel in calibration test position
FIGURE 15. Tube racks in calibration test position
The Tume Nova Combi has calibration test trays as standard equipment for both seeds and fertilizer, which
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