Check Meter Transmission Output

Verify correct main clutch (tire) and one-way clutch (row spacing) sprockets are installed. If meter output is still inconsistent with desired application rate, transmission must be checked for internal damage.

To check transmission output:

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NOTE: All transmissions and output shafts turn when crank handle is turned. All transmissions can be checked at the same time.

2. Turn crank handle (A) a few turns and watch for meter sensor ring rotation. This ensures that meter clutch is on and that meter drive coupling is engaged.

3. Select and mark one tooth of the meter rpm sensor ring (B). This tooth is used as the transmission output indicator; be sure it is clearly marked. Selecting a tooth directly under the meter rpm sensor provides an accurate, easy to view, stationary reference point.

4. Accurately note the starting positions of the sensor ring mark and crank handle.

5. Turn crank handle six full counterclockwise revolutions while observing sensor ring mark; it makes approximately one full, 360 degree revolution.

Transmission is OK if sensor ring makes one full revolution ± four teeth.

If sensor ring does not return to starting position ± four teeth, transmission has failed and must be replaced.

A-Crank Handle
B-Meter RPM Sensor Ring

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