3-21. Conversion of Expended M81 Time Blasting
3-22. Rendering Shock Tube Residue Inert
Fuse Igniter to Inert M81 Time Blasting Fuse Igniter
a. Shock tube residue can be verified as expended us-
for Training Use
ing an M81 Igniter for time fuse and shock tube or a com-
a. Recover expended M81 Igniter from firing range.
mercial, reusable initiating device. Reusable devices can
Turn expended igniter into the ASP or organizational
be used to up 1000 times. Reusable devices may be lo-
maintenance ammunition facility. Ammunition person-
cally procured and are authorized only for disposal of
nel will verify the M81 Igniter has been expended and
shock tube at ASPs or organizational maintenance am-
contains no explosive residue in accordance with local
munition facilities where approved by the local com-
SOP. Upon verification, the expended igniter will be re-
turned to the using unit for conversion to a training de-
vice. The using unit can utilize their local DS, BN
b. Suggested sources of supply are:
support or machine shop to modify the igniter.
(1) EEV Inc.
b. Assure the igniter's end cap is tightened down
4 Westchester Plaza
clockwise, finger tight.
P.O. Box 1482
Elmsford, NY 10523-0976
Phone: (914) 592-6050, FAX: (914) 682-8922, Item
c. Drill two holes, 1/8 inch diameter, approximately
90 degrees apart, through the outside case of the igniter.
Name: Cobra Shock Tube Initiator. Unit Cost: 5.00.
The holes should be drilled approximately 1/8 inch from
the end cap of the igniter. The hole side will penetrate
(2) Powder Horn Supply
through the primer/prime base inside the igniter. The
134 Court Street
primer/primer base must remain in the body in order for
Watertown, NY 13601
the inerted igniter to be recocked.
Phone: (315) 785-8255 or (880) 633-WIRE, FAX: (315)
785-8431, Item Names: Cheetah (0.00 ea.); Surefire
d. Insert a 1/8 inch diameter press-fit rod, roll pin or
wooden dowel into the hole and then trim flush to the ig-
niter body walls. This will deter removal of the primer
c. The reusable devices listed above or any similar
base and reloading of the device.
commercial items are not authorized as demolition initi-
ating devices. The reusable devices should only be used
by range control, ASP, or depot personnel to verify that
e. Utilizing a gold, brass, or bronze color, paint the ig-
shock tube residue has been expended or to render inert
any unused portions of shock tube.
d. Expended shock tube/shock tube residue should not
f. Mark, using 1/8 inch high letters in black marking
ink or flat black paint, the following on the side of the ig-
e. The authorized method of disposal of expended
shock tube is to deposit it in a landfill. Do not burn ex-
INERT TIME BLASTING FUSE, M81
pended shock tube for disposal.
3-23. Preserving Practice Blasting Cap, M14
g. If necessary, dummy DODIC YN08 can be as-
In order to prolong its usage as a training item, do not
signed to the inert M81 Igniter.
cut the sealing end of the Practice Blasting Cap M14 dur-
ing training sessions unless it is necessary. However, if
h. The inert M81 Igniter should be retained with other
the Practice M14 is cut, re-attach the cut potions using a
MDI Inert components (M11, M12, M14, M15, M16 and
commercially available adhesive tape or any available
Change 19 3-16.1