PS Magazine - TB 43-PS-714

PS, The Preventative Maintenance Monthly

ISSUE 714

MAY 2012
PS Magazine - TB 43-PS-714 - Page 21 of 33
39
PS 714
MAY 12
Load the ammo box like the TM says
± Load±M2±and±
MK±19±ammo±
back±and±forth±
until±all±rounds±
are±in±place.±For±
M240±and±M249±
rounds,±fill±in±each±
compartment±of±
the±box±before±
moving±to±the±next±
section.±
Remember ammo limits
± For±the±M249,±the±maximum±number±of±rounds±you±can±load±is±1,600.±For±
the±M240,±it’s±1,000;±for±the±M2,±400;±for±the±MK±19,±96.±If±you±cram±
in±more±rounds,±
you will have firing problems.
Get PMCS quick reference cards
± The±cards±
make±it±easier±
to±PMCS±
and±operate±
your±CROWS.±
CROWS±
training±teams±
can±provide±
the±cards,±
as±can±your±
TACOM±LAR.
Get training
± Only±Soldiers±who±have±been±fully±trained±and±certified±on±the±CROWS±by±
an±officially±trained±and±certified±CROWS±instructor±should±be±allowed±to±
use±the±system.±Training±teams±are±available±if±your±unit±needs±instruction.±
For±more±information,±contact±Nicholas±Sultzbach,±(973)±724-7515,±DSN±
880-7515,±or±email:
picacrows@conus.army.mil
or±Jay±Ruark±at±(573)±563-6245,±or±email:
jay.ruark@us.army.mil
± Jay±Ruark
± Paul±Swinton
± Ft±Leonard±Wood,±MO
B
ecause more and more devices on vehicles and in support base areas are producing
radio frequencies (RFs), extra care is needed with the hazards of electromagnetic
radiation to ordnance (HERO).
Typical munitions vulnerable to HERO include electrically-primed cartridges,
electrically-±red rockets, and electrically-initiated detonators.
If you don’t take care to shield HERO, electromagnetic RF radiation could
detonate them–a disaster of the ±rst order.
The best safety measure is to turn off all RF emitters when uploading unpackaged
ammo. Also, shield uploaded unpackaged ammo from possible RF emissions.
Putting ammo in closed metal boxes or vehicle ammo stowage areas usually provides
adequate RF shielding.
Constantly monitor the distance of RF sources to ammo storage to ensure there
is safe separation. Determine what’s a safe distance by checking out Table 17-3 in
DA Pam 385-64,
Ammunition and Explosives Safety Standards.
You can also use
JSC Ordnance E3 Risk Assessment Database (JOERAD) software to make the
calculation. Request JOERAD software at
http
s
://
acc.dau.mil/joerad
If you have questions about JOERAD, contact Matthew Grenis at (410) 293-9264
or email:
matthew.grenis@
disa
.mil
Fill in each
section
before
loading
next section
for M240
and M249
Get PMCS
cards
Ammunition…
Guarding Against
RF
Dangers
RF can cause ammo
that is electrically
initiated to
explode.
here’s how to
guard
against
that…
You guys are
indeed the voices
of experience.
Thanks for the
excellent
tips.
say
what!?
714 38-39.indd
1-2
3/22/12
5:05 PM
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