TM 5-4610-218-12
cable connectors are connected correctly (fig. 2-22).
the sun, daylight illuminator, or artificial light re-
flected from a white surface). Be sure your fingers
(2) See that the van body circuit breaker (fig.
do not cover the light window in the back of the
2-26) located inside the electrical control cabinet is
comparator, Rotate the chlorine color comparator
in the ON position.
disc until a color on the disc matches the color of the
(3) Turn the heater thermostat to the desired
indicator tube. The reading can be made directly
temperature reading.
from the round window in front of the comparator.
The value is expressed in milligrams per liter (mg/
L).
personnel heater.
i. If the color of the indicator tube is between
two colors on the chlorine color comparator disc, the
value must be estimated. Choose a value between
personnel heater. If the heater is to be shut down for
readings, corresponding to the colors either side of
a long period of time, disconnect the power cable
the indication color.
and the thermostat cables from the receptacles.
2-22. Starting and Stopping Personnel Heater.
a. Preparation for Starting.
(1) Make sure the power cable and thermostat
Figure 2-26. Electrical control cabinet, lower section, with door open.
2-56
