TM 9-1375-213-12
(b) Dynamite may be primed by lacing
detonating cord through it. This is used chiefly in
boreholes, ditching, or removal of stumps. Punch
four equally-spaced holes through dynamite car-
tridge. Lace detonating cord through holes as shown
(c) Dynamite cartridges may also be primed
inserting knot inside end and securing with tape or
string.
(d) Dynamite cartridges may also be primed
by laying a single strand of detonating cord four
times on the length of the cartridge as shown in
the cartridge with tape or string.
2-20. Detonator, Percussion: M1A2
(15-Second
Delay and M2A1 (8-Second Delay)
Except for delay period, marking, and shape of pull
ring, 8-second delay percussion detonator is identical
in construction, functioning, and use to 15-second
delay percussion detonator.
a. Operation.
WARNING
Once pull ring has been pulled, it must be
assumed that delay fuse has been ignited
because it gives little or no indication it is
burning. Do not attempt to neutralize or
refunction detonator after pull ring has been
pulled.
(1) Remove cap protector.
(2) Screw into threaded cap well in explosive.
(3) Place charge.
(4) Remove safety pin.
(5) Pull pull ring to fire and leave area im-
mediately. Do not stop to investigate the in-
stallation.
b. Misfire.
WARNING
namite cartridge and insert electric blasting cap. Tie
Do not handle or disturb detonator.
cap lead wires around cartridge with two half hitches
Detonate by placing a 1 -pound charge on top
or a girth hitch.
of misfired charge and repeat waiting time
below.
a cap well in side of dynamite cartridge and insert an
Wait hour after delay detonator was activated
electric blasting cap as outlined in C(1)(c) above. Tie
before approaching suspected misfire.
cap lead wire around cartridge with a girth hitch or
c. Neutralizing. If pull ring has not been pulled,
two half hitches, or fasten with string or tape.
proceed as follows:
(3) Detonating cord priming.
(1) Reinsert safety pin.
(a) Dynamite cartridges may be primed with
(2) Unscrew detonator from charge.
detonating cord by attaching nonelectric blasting
(3) Replace cap protector.
cap to end of detonating cord and following any of
the methods for nonelectric priming outline in (1)
above.