TM 9-1375-213-12
(10) If no clicking sound is heard, pull out
gentle pull, firing pin may have been released and
wire or nail from interceptor hole. It should come
is pressing against it. In such a case, replace
out easily.
safety fork, remove installation, and remove firing
device from mine. Unscrew coupling base and
b. Neutralizing.
check firing mechanism. If firing mechanism is
(1) Insert wire or nail through interceptor
defective, replace it.
holes.
(f) Retain safety fork and safety pin for
(2) Insert safety pin.
(3) Remove restraining load.
b. Neutralizing.
(4) Insert cotter pin.
(1) Carefully insert safety pin into case of
(5) Remove device from mine or charge.
firing device, and install safety fork.
(6)
(2) Take up assembled firing device and mine
or demolition charge.
WARNING
(3) Remove firing device from mine or demo-
DO not attempt to remove blasting cap
lition charge.
from coupling base.
(4) Unscrew coupling base and destroy, or
Unscrew coupling base and destroy, or store in a
store in safe place. Return firing mechanism to
safe place, Protector cap from used delay detona-
original packing.
tor may be used.
c. Reuse. To recock firing device for use with
2-25. Pressure-Release-Type Demolition Firing
new coupling base or reprimed coupling base in
Device MS
training, proceed as follows:
(1) Remove coupling base.
a. Installing and Arming..
(2) Hold firing mechanism with release plate
up, hinge of release plate toward you.
(1) Inspect firing device to make sure that
there are no obvious defects, that firing pin is
(3) With nail held in right hand perpendicu-
cocked, and that safety pin is in proper position.
lar to long axis of firing mechanism, force firing
pin back to cocked position.
(2) Remove small cotter pin.
(3) Slip a common nail (6-, 8-, or 10-penny)
(4) Hold down release plate and withdraw
or a length of 10-gauge wire through interceptor
nail,
holes.
(5) Insert safety pin,
(4) Remove coupling base.
(6) With release plate held down firmly,
withdraw safety pin to see that it slides out eas-
(5) Remove celluloid shipping cap from cou-
ily; replace safety pin.
pling base and crimp on a nonelectric cap (or
secure into mine activator).
NOTE
(6) Screw coupling base into firing mecha-
nism.
Other methods of recocking may be used
if found, satisfactory.
(7) Screw device into threaded cap well of
charge or auxiliary fuze well of mine. Install so
(7) Screw in new or reprimed coupling base.
that release plate is held closed by weight of a
mine, charge, or a boobytrap bait, or is restrained
2-26. Pull-Type Demolition Firing
Device M1
by a wedge. If firing device is in the ground, use
small board issued with device to provide solid
a. Preparation for Use.
foundation. See that safety pin is in proper posi-
(1) Inspection before use, Check firing device
tion and adjust installation so that safety pin will
as follows:
slip out easily.
(a) Unscrew primed coupling base and in-
(9) Remove safety pin gently by pulling at-
spect primer. Invert coupling base and hold it so
tached cord. If striker falls, it can be felt striking
that nipple end is inside case,
the interceptor hole nail or wire. (If this happens,
remove restraining load and check device. If
(b) Holding coupling base firmly against
device is defective, discard it.) Recock device and
case, remove positive safety pin and head safety
repeat process.
pin. Pull outward on pull ring. Firing pin should