Operation 23
MAN1280 (4/05/2019)
Calibration Formula
Stationary Calibration Chart
No. of Turns to simulate traveling 100 feet with 2 seed meters
Multiply calibration weight by 354.4.
Example: .15 lbs collected with 15/23 tooth standard
sprocket and 11.3 turns of seed cup
.15 lbs x 354.4 = 56 lbs / acre
Metric Example: 68 grams collected with 15/23 tooth
standard sprocket and 11.3 turns of seed cup
68 grams x 354.4 = 25.4 kg/acre or 62.8 kg / hectare
NOTICE: Overlapping and rough terrain/fast travel
speeds will impact seed metering accuracy. The
amount determined at calibration will increase by
10 to 30% in actual seeding depending on these
factors.
Conversion For Grams To Pounds:
453.6 grams / 1 pound or
.0022 pounds / 1 gram
Conversion For Ounces To Pounds:
16 ounces / 1 pound or
.0625 pounds / 1 ounce
TRANSPORTATION
■ Always raise unit and install transport lock
before transporting. Leak down or failure of
mechanical/electrical or hydraulic system can
cause equipment to drop.
■ Always attach safety chain to tractor drawbar
when transporting unit.
■ Never exceed 25 mph (40.2 km/h) during
transport.
Lock-Up
Always transport with the actuator/cylinder in the fully
extended, locked position.
Transport Lock Up
1. Fully extend actuator or cylinder.
2. Remove hair clip pin and bent pin from the
unlocked position.
3. For hydraulic tow kits, flip transport lock over
cylinder rod.
4. Place bent pin and hair clip pin in the lock position.
Figure 28. Transport Lock Positioning
1
st
Reduction
(Sprocket Teeth)
2
nd
Reduction
(Sprocket Teeth)
Cool Season Seed
Shaft Turns
Legume Seed
Shaft Turns
Fast Seed Drive 15-23 15-50 11.3 11.3
Slow Seed Drive 12-52 15-50 4.0 4.0
(Rev. 10/10/2019)
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