PS Magazine - TB 43-PS-458

PS, The Preventative Maintenance Monthly

ISSUE 458

JANUARY 1991
PS Magazine - TB 43-PS-458 - Page 48 of 52
Masks
Temperatures above l 20°F cRack the
Lenses of ±he M24 and M25A 1 masks.
²hat ³uins a mask's p³o±eCtion´
P³otec± masks as muCH as possIbLe
fRom the Heatµ Keep youR mask in Its
caRRIe³ wheN It¶s not in use ±o sHIe·d It
¸Ro¹ the sUnº
»eveR ·ay you³ mask Down on hot
me±a· ¼½¾ ·ike a vehiCLe tHat¶s been si±-
tIng In ±He sun¿ ÀonÁt Leave tHe mask
shu± up In a vehICLe o³ aI³CRaÂt wHe³e
±he ±empERaÃuRes can quIck·y zoom upÄ
Åse wÆRm wa±erÇBeLow ÈÉÊËÌÍto
wash youR mask´
Îf the mask Does ge± hot, put It In a
coo· p·aCe ÏR È5 minutes beÂOre you
tÐy ±o Ñ·ex it o³ stow itÄ ²haÒ may gIve
±he mask
enough
ÓÔeXiBI·i±y
noÒ to
c³ackÕ
SanD Is aLso a ma
j
or probLemµ ÎÂ It
ge±s on tHe arEas wheRe vaLve assemÖ
b·ies ÆNd Cannis×ers Óit togetHe³Ø neÐVe
agen± can seep in ±he mask¼ ÙÂ sanD
c·ogs ±he fi·±eRs anD va·vesØ brea±hIng
wi·· be diÂÑÚcuLt½
²he
so·uÒion?
Û·ean
va·ves
anD
Brush oÂÜ CannIsters as o±en as possiÝ
bLeµ
Û·ean in aReas p³otec±eD Þom
B·owIng sandß
Wàpe sÆnd out o M
17
va·ve assemÝ
B·ies wi±h a CLean c·o±há âse a c·eaN
CLo±h to wIpe away sand Âãom tHe mesH
coverIng ±he inLet va·vesä åotate va·ve
discs with you³ Óinge³ to BE suÐE ±he
Discs Ƴe no± stuck anD are seated
propeRLyæ
çn M2è anDM25ALsØ pu·· tHe CoupÝ
·ing o ±he top o the cannister anD
wipe sand out o ±he coupéIng anD canÝ
nis±e³ with a c·ean cLo±hê Make sure
±he vaLve dIsCs ·ie f·at aNd Comp·e±eLy
CoveÐ ±he air in·etsë
Àon't ìo³ge± the masksí
caR³ieRs½
SanD gets In tHem even i tHeyîve no±
been opened a·· dayë Sand in the ca³³ie³
wi·· scÐÆÒch tHe ·enses and c·og Òhe in·eÒ
anD out·e± va·ves and dRinking ±uBe disÝ
conneCt½ Shake sand ou± of tHe Ca³RIe³
BeÂore you ³epaCk the maskÄ
58
JAN 9±
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