Quantcast Figure 4-12. M2 weatherproof fuse igniter

 

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Figure 4-10. M700 time fuse.
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TM-9-1300-277 Demilitarization/Disposal of Conventional Munitions Manual
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Figure 4-13. M60 weatherproof fuse igniter.
TM 9-1300-277
weather conditions-even under water if it is properly
e. Igniters
waterproofed. A pull on the striker retaining pin causes
the striker to hit the primer, igniting the fuse. A sealing
(1) M2 weatherproof fuse igniter (fig. 4-12).
compound is applied between the fuse and the igniter to
This device is designed as a positive method of lighting
protect the open end of the fuse against moisture.
time blasting fuse.  It operates effectively under all
Figure 4-12. M2 weatherproof fuse igniter.
(2) M60 weatherproof fuse igniter (fig. 4-13).
a. Priming adapter M1A4 (fig. 4-15). The M1A4
This device is designed to ignite time blasting fuse in all
priming adapter is used to secure an electric or
sorts of weather conditions and under water. The fuse is
nonelectric blasting cap in the threaded activator well of
inserted through a rubber sealing grommet and into a
a standard demolition charge. The adapter is made of
split collet which clutches the fuse when the end cap on
plastic and is externally threaded at one end so it can be
the igniter is tightened. A pull on the pull ring releases
screwed into the activator well. The bore in the non-
the striker assembly, allowing the firing pin to drive
threaded end is large enough to receive safety fuse or
against the primer, which ignites the fuse.
detonating cord (fig.  5-6).  A blasting cap is held in
place by a shoulder formed where the bores meet. A
(3) Squib, electric, M1 (fig. 4-14). The squib
slot along the length of the adapter allows the insertion
is a small explosive initiating device used to ignite
of lead wires of an electric blasting cap.
pyrotechnic or incendiary compositions or black powder
when a source of electricity, such as a blasting machine
or battery, is available.
b. Clip, cord, detonating, M1 (fig. 4-16). The M1
detonating cord clip is a steel device used to hold
4-4. DEMOLITION ACCESSORIES
together two strands of detonating cord either parallel or
at right angles to each other. Connections are made
These accessories perform particular functions
more quickly with these clips than with knots.
in detonation systems or adapt components or charges
for disposal procedures.
Change 2
4-12

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