TM 3-6665-320-10
CAUTION
2-2. PREOPERATIONAL PROCEDURES.
Protect
sampler-detector
during
a. General.
Since color combinations and
exposure from excessive moisture,
comparisons are used during training operations, the
such as rain and dew.
user should have normal color perception. Remove red
lenses from flashlight to avoid false-negative
interpretations if training is conducted at night.
(2) Carefully remove the sampler-detector
from the protective bag. Retain the protective bag for
WARNING
reference to the instructions written on it.
Be careful when breaking the glass
(3) Handle sampler-detector carefully. Hold
ampoules. Small pieces of glass
the sampler-detector by the hinged protective strip (fig.
may cut through the plastic and
could cut gloves or hands.
(4) Swing the hinged heater assembly away
from the test spot; remove and save the two heater pads
NOTE
under the hinged heater assembly.
The decision to unmask during
(5) Pull off and discard the pull tab (marked
training exercise is always made by
1) to expose the lewisite detecting tablet.
the person in command (FM 21-40).
(6) Rub the top half of white paper side of the
b. Preparation for Operation. Read the instructions
lewisite tablet rubbing tab (marked 2) on the lewisite
on both sides of the protective bag before proceeding.
detecting table. Repeat rubbing until a mark is visible.
c. The Sampler. Study (fig. 2-2) carefully and
(7) Hold the sampler-detector in the vertical
become familiar with the location of all parts of the
position so that the arrow points up.
sampler.
NOTE
WARNING
Talk the trainees through the
Be careful when breaking the blass
following procedures, when TM 3-
ampoules. Small pieces of glass
6665-307-10 is not available.
may cut through the plastic and
could cut gloves or hands.
2-3. OPERATIONAL PROCEDURES.
(8) Using the two heater pads, finger-crush
NOTE
the four reagent ampoules in the three center pockets
All operational procedures, including
(marked 3). The ampoules to crush are indicated by
sampling times, must be followed for
asterisks on figure 2-2.
the sampler-detector to function
correctly.
NOTE
Nerve spot may become difficult to
a. Operation Under Usual Conditions.
wet with solutions as the sampler-
(1) Open sampler-detector protective bag by
detectors age. Work solutions to
tearing the bag along the tear line marked with arrows.
spot carefully.
WARNING
(9) Rotate the sampler-detector so arrow
Hold sampler-detector on the upwind
points downward. The protective strip should still cover
side to avoid picking up vapors from
spots and the pads should still cover the broken glass
your protective equipment.
ampoules. Then force liquid to each spot with right
hand while pressing protective strip with left hand to
ensure wetting of covered spots.
(10) Make sure the hinged heater assembly is
away from the test spot.
2-2
