TM 5-6640-212-14
Figure 2-23. Distillation Test Apparatus
countertop and it extends into cabinet N2 (fig. 1-2). The
b. Operation.
apparatus consists of items required for the immersion of
(1) Push the toggle switch to ON position.
four RVP bombs in a constant temperature bath. The
four RVP bombs and gages are stored in a rack to the
(2) Turn the temperature control knob clockwise to
right and above the bath. Included are heating unit and
increase temperature; counterclockwise to decrease
sensitive controls for automatic maintenance of required
temperature.
temperature. Components include a stainless steel bath,
set into the counter. Over the top are mounted a 1/30
(3) To operate the elevating control, push in and
horsepower motor, a thermometer, a 500-watt low lag
turn the knob clockwise to raise the platform;
immersion heater controlled by a micro set
counterclockwise to lower the platform. Total vertical
thermoregulator (stored in drawer El, fig. B-11ll), and
adjustment is three-fourths of an inch.
brackets
for
suspending
the
bombs.
The
theromoregulator is adjustable; the maximum current
(4) Consult ASTM Method D86 (TM 10-1166) for
carrying capacity is 15 milliampere.
A standpipe
detailed test procedures.
stoppered drain is threaded into the bottom of the bath.
In the housing below the bath working chamber are
2-25. Reid Vapor Pressure Bomb Bath.
mounted a relay, pilot light, and ON-OFF toggle switch.
a. Description. The Reid vapor pressure (RVP)
bomb bath (fig. 2-24), designed to comply with the
requirements specified in ASTM Method D323 (TM 10-
1166)
is
flush
mounted
in
the
right-hand
2-42
