TM 10-8110-202-13 & P
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
2-6. GENERAL
The drum is designed to operate normally within a wide range of climatic conditions. However, some
extreme conditions require special procedures to keep the drum operating properly and to prevent
damage.
2-7. OPERATION IN EXTREME HEAT, ABOVE 135°F (57°C)
In addition to steps taken for operation under usual conditions (paragraphs 2-3 and 2-4), take the
following steps as conditions allow:
a.
b.
c.
d.
=
It is important to take the following measures to keep the
drum as cool as possible. As the water inside the drum
heats up, the water will expand. This expansion of the
water could increase the pressure inside the drum to a pres-
sure above the maximum 5 psi operating pressure, which
could lead to damage to the drum and loss of the valuable
water supply.
Do not block air circulation around the drum.
Erect a tent or tarpaulin over drum to provide shade.
Place drum under shade of trees or cover with leafy branches.
Cover drum with wet burlap or other fabric, and keep fabric wet.
2-8. OPERATION IN FREEZING TEMPERATURES, 32°F (0°C) AND BELOW
In addition to steps taken for operation under usual conditions (paragraphs 2-3 and 2-4), take the
following steps as conditions allow:
a. In freezing temperatures the
to avoid cracking it.
b. Remove snow, sleet, and ice
c. In temperatures below 32°F
to thaw before dispensing water.
drum could become brittle. Be careful when handling the drum
from drum before installing coupler valve.
(0°C), store drum in a heated building, shelter, or tent and allow
2-13
