PS Magazine - TB 43-PS-681

PS, The Preventative Maintenance Monthly

ISSUE 681

AUGUST 2009
PS Magazine - TB 43-PS-681 - Page 2 of 33
S
oldiers continue to try to improve the performance of their weapons by modifying them.
That is a big no-no!
Unauthorized modiFcations to weapons are strictly forbidden. Para
3-1.e in AR 750-10 clearly states: “Commanders will not allow their equipment to be modiFed
unless there is an ofFcial MWO.”
Why is the Army so strict about modiFcations? Because they want to ensure through
thorough testing that any modiFcations will not injure Soldiers, damage the weapons, or
cause the weapons to stop Fring in battle.
Here are some examples of unauthorized modiFcations:
Converting an M16A2 rifle to an M4 carbine.
Installing an M4 buttstock on an M16A2
receiver or converting the rifle from burst to fully automatic will cause Fring stoppages,
malfunctions, and possible injury.
Installing an aiming laser or an ergonomic pistol grip or a silencer on an M9 pistol.
None
of these have been tested, so there is no way to know how they could affect the pistol. That’s
a risk you don’t need.
Changing a basic M240 machine gun (coaxial) to an M240B (dismounted infantry).
Adding
and removing components can hurt the performance of the M240.
So, WarFghters, give your weapons a break and protect yourself and your unit by staying
away from unauthorized weapons modiFcations. The only help your weapon needs is for
you to follow the PM and PMCS in the -10 TM.
JCIMS Identification Panels
Stryker Hatch Safety
AN/VIC-3(V) CVC Helmet Replacement Parts
MLRS Carrier Steering Cable
2-4
5
6-8
9
COMBAT VEHICLES
2
By order of the Secretary of the Army:
GEORGE W. CASEY, JR.
General, United States Army Chief of Staff
Official:
JOYCE E. MORROW
Administrative Assistant to the Secretary of the Army
0914906
10
WHEELED VEHICLES
HMMWV Unauthorized Mods
M1114 UAH Impact Wrench
±MTV Driveshaft PMCS
M931/M932 5-ton Tractor Trailer Lights
M915 ±OV Armor Door NSNs
Vehicle Battery Solar Pulse Chargers
10-14
15
16
17
18
19
Dispatch Assistance
National Guard COMET Program
PMCS Types Explained
56
57
58-59
LOGISTICS MANAGEMENT
56
AVIATION
35
AH-64A/D Tail Wheel Inner Tubes
CH-47± M±D Cleaning
No High-Pressure Water Cleaning
OH-58D Step Cautions
Aircraft Hydraulic Bleeder and ±iller Turn In
35
36
37
38-39
38-39
COMMUNICATIONS
40
40-43
44-45
Electrical Outlet and Plug Safety in SWA
CAT 5 Cable and RJ Connector NSNs
CBRN
46
46-47
48-49
M41 PATS Alcohol, Care
M40-Series Mask Stowing
M249 Machine Gun Extractor Pins
M240 Machine Gun Sear Safety Check
M240B Machine Gun Rail Kit Installation
M4/M4A1 Carbine Buttstock Available
Headspace Gages ID Tag
20
21
22
23
23
SMALL ARMS
20
Avenger Missile System Tools
TS-4530/UPM Radar Test Set Battery Sticks
Dragon Missile System Turn In
24-25
24-25
26
MISSILES
24
No And
s
or
But
s
!
No Mods!
Hey Connie, I want to
show you this pistol
I’ve modified, but…
what’s the
matter?
it’s so
heavy
now, I
can’t
lift it!
That’s the
least
of your
problems!
The
biggest
problem is
YOU’RE NOT
SUPPOSED
TO DO iT!
SOLDIER SUPPORT
50
50-54
55
HAZMAT Storage
Tactical Water Purification System ±ilters
You are invited to send PS your ideas for improving maintenance
procedures, questions on maintenance and supply problems and
questions or comments on material published in PS.
Just write to:
MSG Half-Mast
PS, the Preventive Maintenance Monthly
USAMC LOGSA (AMXLS-AM)
5307 Sparkman Circle
Redstone Arsenal, AL 35898
Or email to:
logsa.psmag@conus.army.mil
or
half.mast@us.army.mil
Internet address:
PS, The Preventive Maintenance Monthly
(ISSN 0475-2953) is published monthly by the Department of the Army, Redstone Arsenal,
AL 35898-5000. Periodical postage is paid at the Huntsville, AL post office and at additional mailing offices.
Postmaster:
Send address changes to PS, The Preventive Maintenance Monthly, USAMC LOGSA (AMXLS-AM), 5307 Sparkman Circle,
Redstone Arsenal, AL 35898-5000.
TB 43-PS-681, The Preventive Maintenance Monthly, is an official
publication of the Department of the Army, providing information for all
soldiers assigned to combat and combat support units and all soldiers with
unit maintenance and supply duties. All information published has been
reviewed and approved by the agency responsible for the equipment,
publication or policy discussed. Application of the information is optional
with the user. Masculine pronouns may refer to both genders.
ISSUE 681
AUGUST 2009
681.00-01.indd
1-2
6/28/09
6:14:10 PM
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