TM 10-4320-303-13
WARNING
Calcium hypochlorite can cause injury if not handled properly. Heed safety measures below.
If calcium hypochlorite comes into contact with skin or eyes, flush right away with water. Seek
medical help.
Store calcium hypochlorite in a cool, dry place. Keep container closed.
Mix only in accordance with directions for use.
DO NOT allow calcium hypochlorite to mix with any other materials, such as fuels, oils, paint
products, or ammonia. This can cause fire or hazardous gases.
Failure to obey this warning may result in personal injury or death.
b. Add required amount of calcium hypochlorite powder (item 2, appendix E) for desired solution
strength, table 2-19, to solution reservoir. Thoroughly mix powder in water.
c. Loosen tube nut (3) at injection point.
d. Insert foot valve (4) into solution in reservoir (2). Rapidly move foot valve (4) up and down several
times to fill suction line (5).
e. Tighten tube nut (3) at injection point.
Figure 2-46. Hypochlorination Unit Model 1955-1 Control and Water Meter.
f. Open range adjusting valve (Figure 2-46, 1).
g. When flow rate is at maximum, close range adjusting valve (1) slowly until water meter register (2)
indicates flow rate of 14 gpm.
2-81
