TM 55-4920-217-15
electric blasting cap requires a blasting
a. Remove and empty portable fire extinguishers.
b. Prepare 4 charges (1 charge = 2 ea. 1 lb.
Warning:
Keep the blasting caps,
blocks) of EXPLOSIVE, TNT. Place charges as in (1),
through (4) below.
detonating cord, and safety fuse separated
(1) Place 1 charge of explosive on the front of the
from the charges until required for use.
shop on the platform, forward of the storage
compartment.
c. Detonate the charges. If primed with nonelectric
(2) Place 1 charge of explosive between the axles
blasting cap and safety fuse, ignite and take cover. If
of the shop, at the approximate midpoint of the
primed with electric blasting cap, take cover before firing
axles.
the charges.
(3) Place 1 charge of explosive on the shop floor
at the approximate center width of the shop
Warning:
The
danger
zone
is
and approximately 4 feet from forward wall.
approximately 250 yards; take cover without
(4) Place 1 charge of explosive on the shop floor
delay as an early explosion may result from
at the approximate center width of the shop
incendiary fires.
and approximately 6 feet from the rear wall.
(5) Connect the 4 charges for simultaneous
61. Destruction by Gunfire
detonation with detonating cord. Provide for
a. Remove and empty portable fire extinguishers.
dual priming to minimize the possibility of a
b. Destroy the shop set by gunfire using artillery,
misfire.
For priming, either a nonelectric
machine guns, rifles using rifles grenades, or launchers
blasting cap crimped to at least 5 feet of safety
using antitank rockets. Although one, well-placed, direct
fuse (safety fuse burns at the rate of 1 foot in
hit may render the shop set temporarily useless, several
30 to 45 seconds; test before using), or an
hits are usually required for complete destruction unless
electric blasting cap and detonating cord may
an intense fire is started, in which case the shop set may
be used. If a nonelectric blasting cap and
be considered destroyed.
safety fuse are used, the fuse should be
sufficiently long and so-positioned that it may
Warning: Firing artillery at range of 500
be ignited from outside the shop set. Safety
yards or less should be from cover. Firing
fuse, which contains black powder, and
rifle grenades or antitank rockets should be
nonelectric blasting caps must be protected
from cover.
from moisture at all times. The safety fuse
may be ignited by a fuse lighter or a match; the
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