PS Magazine - TB 43-PS-481

PS, The Preventative Maintenance Monthly

ISSUE 481

DECEMBER 1992

PS Magazine - TB 43-PS-481 - Page 19 of 46
M2, M60± M²40 Machine Guns .³³
Extras Need PM, Too
I
f you FOrget prevenTive mainTenance
for youR machiNe gu±'s exTras-sPare
baRrel, blaNk firINg attachmeNt (B²A)³
t´aversing and elevatIng mechanism
(T &E)-
you Put you´self in an extra
bad sItuatioN wheN iT comes Time to µIre.
You ¶re suPposeD to change the bar´el
afte´ so maNy ´ounDs oR The ba´rel over·
heaTs¸ ¹f IT gets too hoTº it¶s rUined» BuT If
you RepLace It wiTh a DirTy sPare barre¼½
youR machiNe gun sTops firINg¾
Soº when you clean one barre¼º clean
the other¿ tooÀ
¹f The barre¼ has a caRrying bagÁ use ITÂ
ÃhaT PRotects iT agaiNsT moisture anD
DI´TÀ
¹f the BÄAÅs not cleaNeDº it gets µouÆed
wIth carboN which coulD cause cham·
berIng and eXTracTing prob¼ems. C¼eaN
al¼ BÄAs wIth CÇÈ afteR fÉRing» You also
cÊeaN the M60Ës after 500 ´ouNdsÌ the
M2Ís aÎer 800 rounDs aND M240Ís after
Ϻ000 rounDsÐ
Clean
BFA
every
50
Rounds
or afer eve´y FirIng
¹f The M2 or M60
T
&e
gets gummeD
up o´ coRrodedÑ iT caNÒt be adjusTed Ór
firÔNgÕ ¹µ It¶s baNgeD arouNd during Travelº
It's knockeD out of ca¼ibrationÖ Ãhat
ruINs accuracy×
Clean the
T
&e
wITh a rag anD CØÙ
when you cleaN your machINe guNÕ Ú´oÛ
tect It by wraPPINg iT in a rag aNd sTo´ing
it In The spare ba´re¼ bagÜ
Stow
t&E
µn spa¶e barrel bag
Ý4
DeC


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