Figure 2-24. Reid Vapor Pressure Bomb Bath (Sheet 2 of 2)

TM 5-6640-212-14

(4) Apply power to the unit. This will energize the

b. Operation.

heater and stirrer motor circuit. Turn on the stirrer motor.

CAUTION

WARNING

Never turn on the toggle switch

Exercise extreme care not to exceed

unless bath is filled with water.

this proportion, as 12 parts per

Heaters will burn out if they are not

million (0.012 ml/liter) of copper

immersed.

sulfate is poisonous.

(1) Fill the bath to level of the overflow standpipe

(5) Pilot light will light while the heater is on.

with water to which has been added 10 parts per million

When the temperature attains 100 degrees F (38

(0.01 ml/liter) of copper sulfate to cut down the growth of

degrees C), the thermoregulator will shut down the

algae.

heater and the light will extinguish.

(2) Check and calibrate the thermoregulator (para

(6) To drain the bath, unscrew the standpipe by

3-18d).

turning the handle (rod through pipe) counterclockwise.

(3) Install the thermoregulator in the bath.

Lift out the pipe and the water will drain out.

2-44