Great Plains PT1230 AA1062 Operator Manual - Manual (Page 25)

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Section 3 Row Unit Operation
PT1230 Pull-Type Folding Planter 401-069M-A 10/10/12
Great Plains Mfg., Inc.
Recalibrating Chemical Meter
Refer to Figure 3-10:
If it should ever become necessary to recalibrate the gran-
ular meter on the insecticide/herbicide hopper, proceed as
follows:
1. Remove and empty hopper and turn hopper upside
down.
2. Turn hopper knob to “10”.
3. Loosen screws (#1) in metering gate.
4. Insert calibration tool (#2).
5. Readjust dial to “04”.
6. Slide gate (#3) to tool.
7. Retighten screws.
8. Reinstall hoppers, refill and check per previous in-
structions.
Recalibrateng Chemical Meter
Figure 3-10
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