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 Thank
you for purchasing what we feel is the most accurate powder
measure being produced today. With proper use & care, your
new powder measure will give you years of trouble-free
service. With the proper techniques being employed, you
should be able achieve 2-tenths-of-a-grain deviation or
better.
While reading through the following guidelines, please refer
to the accompanying drawings for reference.
We recommend the following technique:
• Mount the bench plate to a sturdy bench or table so that
the measure
body will be held firmly
• Slide the body onto the bench plate
• Screw the hopper onto the measure body & tighten gently
• Fill the hopper with powder: 4” will hold approx. ¼ lb, 8
½” will hold
approx. ½ lb, 17” will hold approx. 1 lb.
• Notice the slider block has filled with powder
• The measure is now ready to go
Next, you will need to set the charge tube to hold the
desired amount of powder. The charge tube is adjusted by
loosening the Knurled Lock Knob on the side of the tube.
Rotate the Knurled Adjust Nut clockwise to increase volume.
To read the graduations on the threaded post in the charge
tube, the reference line is the bottom of the Knurled Adjust
Nut. The numbers on the threaded post refer to hundredths of
an inch (.010”), and the graduations on the Adjust Nut refer
to thousandths of an inch (.001”). Each graduation on the
post takes one revolution of the nut and equals twenty-five
thousandths of an inch (.025”).
Through testing with 1 ½ Swiss Black Powder, we were able to
determine that each grain of powder is equal to .028”
movement on the nut. Therefore, 60 grains of powder will
require 1.68” of adjustment. (60 x .028 = 1.68”). Your
results may vary due to powder granulation brand of powder
and other variables.
• Place the charge tube into the base of the measure body
• Once the tube is all the way into the measure, smoothly
press the handle and move the slider block to the stop
• The charge tube will now fill
• Release the handle smoothly – do no let the handle drop.
Consistency is the key here.
• Remove the charge tube from the measure body & pour into
your drop tube.
Cleaning and Maintenance
Compressed air is a useful tool to remove powder residue
from the slider block mating surfaces. DO NOT oil any of the
parts as this will cause powder & dust to stick affecting
accuracy.
If you get any debris, oil or sticky liquid in the charge
tube, clean with denatured alcohol or lacquer thinner and
dry with compressed air.
Montana Vintage Arms thanks you for your purchases, If you
have any questions regarding this, or any other of our
products, please call us for assistance at 406-388-4027.
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Andrea Drive Belgrade, Montana 59714-8918
406-388-4027 |
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