Great Plains ADC1150 Operator Manual - Manual (Page 23)

21
Section 3 Adjustments
6/15/05 ADC1150 Air Drill Cart 167-101M
Great Plains Mfg., Inc.
When disengaged, the handle will move out slight-
ly. See Figure 3-4.
Figure 3-4
Gearbox Clutch
b. Move the gearbox shifters to the number and let-
ter indicated on chart. See Figure 3-5. If shifters
do not move easily, check that the clutch is disen-
gaged, then turn the metering drive train slightly to
relieve binding.
Figure 3-5
Gearbox Shifters
c. Engage clutch by rotating handle up. When en-
gaged, the handle will move in slightly. Refer to
Figure 3-4. If resistance is felt, turn the metering
drive slightly as shown in Figure 3-9 while engag-
ing the clutch.
14451
IMPORTANT: To prevent gearbox damage, always dis-
engage the gearbox clutch before shifting gears.
16984
IMPORTANT: Do not force the clutch handle into en-
gagement.
Checking Metering Rate
Before checking the meter rate, make sure the correct
sprockets are installed on cart drive system. Incorrect
sprockets will affect seeding rates. Refer to Cart Drive
System, “Preparation and Setup,” page 11.
1. Open the calibration door on the meter box as shown
in Figure 3-6.
Figure 3-6
Calibration Door
2. Put enough material in bin so there will be at least a
bushel left after seeding one acre. The amount need-
ed will depend on the meter rate.
3. Turn the hand crank a few turns to be sure the meter
stars are full of material.
!
CAUTION!
Obey manufacturer or grower recommendations for safety
equipment and protective gear when using treated seeds.
14876
IMPORTANT: Do not open the unloading door. The cal-
ibration door is closer to the rear of the cart.