Calibrating Insecticide/Herbicide Meter

A38835-UN-19DEC95

If it should ever become necessary to recalibrate the granular meter on insecticide/herbicide hopper, proceed as follows:

1. Turn knob on rear of hopper to a setting of "10".

2. Remove hopper and turn it upside down on a flat surface.

3. 
   A39083-UN-17JAN96

   A - V-Notch Opening

   Measure the V-notch opening (A) on the meter gate. The opening should be set to a specified width.

   Item	Measurement	Specification
   V-Notch Opening	Width	4 mm (0.160 in.)

   If measurement is to specification, the meter is calibrated correctly. If measurement is not to specification, the meter must be recalibrated.

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4. 
   A41132-UN-21APR97

   Single Meter

   
   H44412-UN-20MAY92

   A - Cap Screws, M6 x 20

   B - Cap Screws, M6 x 16

   C - Cover

   Remove four M6 x 20 cap screws (A) securing meter to hopper. Remove meter from bottom of hopper.

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5. Remove four M6 x 16 cap screws (B). Remove gate cover (C).

6. 
   A32251-UN-12OCT88

   
   A32252-UN-12OCT88

   
   A32253-UN-12OCT88

   A - Plastic Gate Assembly

   B - Knob

   C - Nut

   Remove entire plastic gate assembly (A) from aluminum housing.

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7. Work knob (B) back and forth while pulling apart to remove knob from splined nut (C).

8. Turn nut (C) until V-notch opening is to specification.

   Item	Measurement	Specification
   V-Notch Opening	Width	4 mm (0.160 in.)

9. 
   A32254-UN-12OCT88

   Replace the knob on nut so the number “0” lines up with the number “1” on cam follower. The meter should have a setting of “10”.

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10. Seat knob to flange on nut.

11. Install gate cover with cap screws previously removed.

12. Install meter on bottom of hopper and attach with cap screws previously removed.