PS Magazine - TB 43-PS-724
PS, The Preventative Maintenance Monthly
ISSUE 724
MARCH 2013
40
PS 724
MAR 13
Dear Editor,
The M9 pistol has been in use long enough that armorers need to be on
the lookout for worn parts. We have seen several instances at Ft Carson
where M9 safety levers have become worn to the point that there’s too
much distance between the lever and the hammer release lever. That makes
the pistol unsafe.
Operators and armorers need to make
a point of doing the Safety/Function
check found in both TM 9-1005-317-
10 and -23&P: “Rotate the decocking/
safety lever to the SAFE (down) position.
Manually
cock
hammer
and
release.
Hammer
should
fall
to
full
forward
position.” If the hammer stays cocked,
the M9 is not safe to fire.
This is part of the operator’s BEFORE
PMCS, so this check always needs to be
done before the M9 is fired.
Terry Blount
TACOM Armament LAR
Ft Carson, CO
Dear Half-Mast,
We have a constant problem with the data plate labels disappearing from
night vision weapon sights like the AN/PVS-4 or -4A or the AN/TVS-5 or
-5A. Some units are etching the information onto the sights, which isn’t a
good idea. Is there any way to get replacement labels?
T.H.
Editor’s note:
Excellent tip,
Terry. Thanks for letting us know
this has become a problem.
Dear Mr. T.H.,
Yes, there is. Contact CECOM’s Lauren Scicchitano at DSN 648-1404, (443)
395-1404, or email:
lauren.n.scicchitano.civ@mail.mil
Provide her the sight’s NSN, how many labels are needed, whether the label is for
the sight itself or the sight case, and a valid shipping address. Normally, you will
receive the labels within a few days.
Units deFnitely should not etch numbers on sights. That could
damage them or lead to corrosion.
Some units have tried using other vehicles. The result was broken MSK guide rails
and upper guide plates. They make the MSK NMC, plus they’re expensive to fx.
So tow with the HMMWV only.
IF you have any questions about the MSK, contact TACOM’s Erik Jensen at DSN
786-1220, (586) 282-1220, or email:
erik.s.jensen4.civ@mail.mil
S
ometimes it doesn’t pay to try save a few bucks. A case in point is substituting standard
alkaline batteries for L91 lithium AA batteries in the AN/PAS-13C, -13D and -13E thermal
weapon sights.
The L91 AA batteries last up to 10 times longer than alkaline batteries, which means
fewer battery changes during operations and less weight to lug around in your pack.
Although alkaline batteries cost less per battery, they are more expensive, considering how
many you need to complete a mission. So trying to save money by using cheaper batteries
actually costs you money.
Order L91s with NSN 6135-01-333-6101 and use them.
Many thermal weapon sights and night vision goggles are designed to be powered by
1.5V AA batteries. If you use batteries with a higher voltage in these devices, they will be
damaged. Use only the batteries specified by the equipment’s -10 TM.
Tow
MSK
with
HMMWV
Only!
M9
Pistol…
Mortars…
AN/PAS-13
Thermal
Weapon
Sight…
Safety Lever Unsafe?
Lithium Only, Please!
Night
Vision
Sights…
How to
ReplaCe
Data
Plates
the m326 mortar
stowage kit (msk) for
the m120mm mortar
can’t be towed
with just
any
vehicle.
the
one and
only
vehicle
that can safely
tow the msk is
the hmmwv.
darn!
your
data plate has
disappeared!
I wonder who
can get me a
replacement?
cecom!
Cock hammer and release.
Hammer
should
fall full
forward
Tow
MSK
with
HMMWV
Only!
724 40-41.indd
1-2
1/29/13
2:56 PM
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