PS Magazine - TB 43-PS-643
PS, The Preventative Maintenance Monthly
ISSUE 643
JUNE 2006
)F YOU NEED COPIES OF ANY OF THESE
bf8S, CONTACT YOUR LOCAL bf8
OFlCER OR eX[8b(S *IM bORPHEW AT
THE NUMBERS AND EMAIL ON 1AGE 24/
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bf8 7-4240-746-20-=
4HIS -7= APPLIED A RETAINING CLAMP )yIP
TIE+ TO THE FACEPIECE TO PREVENT THE SILICONE
RUBBER FROM SEPARATING FROM THE OUTLET VALVE
HOUSING. 4HE >"# >#= CAN DO THE -7=
WITH A SPECIAL TENSIONING TOOL THAT COMES
WITH THE -7= KIT. 4HE KIT ALSO CONTAINS A SET
OF 1-#3 CARDS THAT SHOULD BE ADDED TO THE
CARRIER. !LL -Zb, -Zb!5, AND -Z8!8 MASKS
SHOULD HAVE HAD THIS MODIlCATION DONE
BY NOW.
/F yIP TIES WEAR OUT, >"# >#=S SHOULD
NOT LOCAL PURCHASE NEW ONES. &OR NEW TIES,
CONTACT 4!#=-'S *IM -ORPHEW AT $3>
]9@0\Z5[?)@b9+ ]^80\Z5[ OR EMAIL_
MORPHEWg2KRIA/ARMY/MIL
bf8 7-4240-746-20-7
4HIS -7= REPLACES THE THE QUICK
DISCONNECT COUPLING HALF IN ALL -Zb?-Z80
SERIES MASKS. 3OME OF THE OLDER MASKS HAVE
ADHESIVE APPLIED TO THE COUPLING HALF. /N
THAT CASE, YOU MUST ORDER A NEW FACEPIECE.
4HE >"# >#= DOES THE MODIlCATION. aOU
CAN TELL IF YOUR MASKS HAVE THE NEW QUICK
DISCONNECT COUPLING HALF BY CHECKING FOR
THREE KNURLING STRIPES )OR RAISED RIDGES+
ON THE COUPLING. 4HE OLD COUPLING HAD
TWO STRIPES. 4HIS -7= SHOULD BE DONE
IMMEDIATELY BECAUSE SOME OF THE OLD
COUPLING HALVES MAY LEAK AND LET
CHEMICAL AGENT
IN THE MASK.
bf8 7-4240-746-20-2
4HIS -7= REPLACED THE OUTLET VALVE DISK
WITH AN IMPROVED DISK THAT MINIMIyES THE
CHANCE OF THE DISK COLLAPSING INTO THE OUTLET
VALVE HOUSING DURING EXTREME NEGATIVE
PRESSURE CHECKS. 4HE >"# >#= DOES THE
-7=. !LL -Zb, -Zb!5, AND -Z8!8 MASKS
SHOULD HAVE THE MODIlCATION DONE BY @5
$EC b\. 4HE NEW DISK IS OLIVE GREEN. /F YOUR
MASKS' OUTLET VALVE DISKS AREN'T GREEN, THE
MASKS HAVEN'T BEEN MODIlED.
b4>
bf8 7-4240-74@-20-=
4HIS -7= REPLACES THE QUICK DISCONNECT
COUPLING HALF ON THE -Z[ LAND WARRIOR AND
-Z[ MASKS. /T'S DONE BY THE >"# >#=. 4HE
NEW COUPLING HALF HAS THREE KNURLING STRIPES.
4HE OLD COUPLING HALF HAD TWO. 4HIS -7=
SHOULD BE DONE IMMEDIATELY BECAUSE SOME
OF THE OLD COUPLING HALVES MAY LEAK AND LET
CHEMICAL AGENT IN THE MASK.
-Zb?-Z803ERIES -ASKS,
-Z[ -ASK}
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