PS Magazine - TB 43-PS-541
PS, The Preventative Maintenance Monthly
ISSUE 541
DECEMBER 1997
Machine GuNs .±.
•i
±
9f
you spare thE SpaRE barrEl fOR
±-=²³
'·-
±
ThE
M2, M60± M²40³
and
M2´9
ma-
²
'
±²
³
´
.
cHinE gun± during FIR²ng, ³HE bar´El
._
bE²ng µirEd gEt± V¶·Y hot. And ³hEn
±
³
´µ ¶¸ ¹
tHE ¸¹Lºowing can HaPPEn:
- µ
-²³"´µ
•
A cooko»¼
º
A waRp½d Ba¾¿EL
º
A woÀ-ou³ Bolt and ba¿¿EL
•
Áu²nEd Head±pac²ng and tHE maÂ
ChinE gun Can ExpÃodE dUrIng ÄÅR²ng
ÆPaR²ng ³hE ±PaRE pU³± yoU and
youR macH²nE gun in dangERÇ Èhat'±
why you MU±³É
•
ÊaKE ³hE ±PaRE bar¾El to ³HE RangEË
º
ÌEEp t¾aÍk oF ¾ound± »iREd and ra³E
oµ FiREÎ
•
ÏHangE ³HE barREÃ whEn you REacH
³HE RoUnd± L²M²tÐ
Ñor thE
M60
and
m240¶
cHangE
thE barREÃ EvERy
10
MÒnu³E± duR²ng
±u±tainEd ÓÔRE
(·00
Round± PER
MinutE) and EvEry ³wo M²nu³E± µÕR
raP²d µirE
(200
Öound± pER M×nutE)Ø
ÙoR ³hE
m²¸¹±
dU¾²ng both ±U±Ú
³a²nEd FirE
(50
Round± PEr minutE)
and RaP²d µ²RE
(·00
Round± pEr
m²nu³EÛÜ ÝhangE thE Ba¾rEL EÞERy
²00
RoUnd±.
ßor tHE
m²º
cHangE ³hE Ba¾rEL at
³HE End oF EvERy ÓirIng ±E±±²on or iF
tHE BarREÃ i± daMagEd, rEgaRdLE±± oµ
RatE oµ µÔrEà
áµ i³â± a HotÜ ±unny day, changE tHE
baRrEL moRE oµtEn on aÃl tHE MaÝh²nE
gun±Î
PS 541
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