48
5. Line up the adjustment knob with zero at 12 o’clock, and insert
over the brass collar and to the last line of the valve body. Using
the 1/16 in. hex wrench, insert into the hole as shown below and
tighten.
6. Turn the valve slowly counter-clockwise to open. Each full
rotation should equal one line on the barrel. Rotate the knob to
the value recorded on the calibration sticker. If there is no value
on the calibration sticker, the default value is 10.