TM 9-1375-213-12
Figure 2-20. Nonelectric and electric priming of
shaped charges.
follows:
2-17. Priming
Charges with
Threaded
(a) Untwist free ends of lead wire
Cap Wells (Block, Shaped,
Bangalore Torpedo, Universal
(b) Pass lead wires through slot of
Destructor: M10 and Explosive
adapter and slide adapter into place over cap
Destructor: M19)
(c) Insert cap into well of explosive
and screw adapter into place.
a. Nonelectric Priming.
(2) Without priming adapter. If a prim-
ing adapter is not available, proceed as follows:
(1) With priming adapter. Priming adapt-
(a) Untwist free ends of lead wire
ers should be used, if available, to secure
and fasten them to firing wire.
nonelectric blasting cap and time blasting fuse
(b) Insert electric cap into cap well
and tie lead wires around charge by two half
(2) Without priming adapter. If priming
slack in wires between blasting cap and tie to
adapters are not available but charges have
prevent any pull on blasting cap.
threaded cap wells, they are primed as follows
c. Detonating Cord Priming.
(a) Wrap string tightly around
charge and tie it securely leaving about 6
(1) Block demolition charges may be
inches of loose string on each end after making
primed with detonating cord in several ways.
tie.
(b) Insert blasting cap with fuse
NOTE
attached into cap well.
(c) Tie loose string around fuse with
A 6-inch length of detonating cord
two half hitches to prevent blasting cap from
equals the power output of an electric
being separated from charge. Do not tie string
or nonelectric blasting cap. A 6-inch
so tight that powder train is broken in fuse.
length of detonating cord will not deto-
b. Electric Priming.
since the power output is not as concen-
trated as a blasting cap.
(1) Priming adapters should be used, if
available, to secure electric blasting caps to
(a) Assured-detonation method. This
charges with threaded cap wells.
Proceed as