(2) Arming time in air. The device in an air
2-21. Concussion Detonator
installation becomes fully armed as soon as safety
cotter pin is removed; therefore, personnel should be
a. Safety Precautions.
clear of danger zone immediately removal of safety
(1) Arming time in water. Since salt delay
pellets become soft before they are completely
(3) Pellet sleeve cover. This cover fits over
dissolved, the device is dangerous after half the
pellet sleeve and completely protects salt delay pellet
arming time (as determined by the test) elapses.
from dissolving during placement in an underwater
Therefore, personnel should be clear of danger area
installation. Cover should not be removed until last
within half the arming time so determined. This is
possible moment before pulling safety cotter pin.
because a nearby concussion from enemy bombs,
b. Preparation for Firing. Refer
to table 2-5
projectiles, or other causes could fire device after salt
operating range of concussion detonation kit.
delay pellet has softened. The initiating charge
should not be fired until full dissolving time of salt
delay pellet has elapsed.