PS Magazine - NOVEMBER 1979
PS, The Preventative Maintenance Monthly
ISSUE 324
NOVEMBER 1979
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The barrel assem
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it stopsÊ If you
coax machËne gun Ës rugged and hear 2 to
7
clicks Bfore the Ìarrel
effËcËentÊ KeeP Ët that way by taÍing a release stops, you're ÎKÏ Ðf you get
feW precautionsÊ
more Ñr less than that number of
NËcÍs, burrs and carÒn can foul it clËcÍs, tell your armorerÈ
uP no matter how Rugged it isÊ
ÐF you Force the barrel or Ìarrel
YoU already Ínow you've got to locÍ rElease you can damage the receiver
the barrel securely if you want Ët to stay threadsÊ
Ën the gunÊ
Óhen the barrel's out, protect the
threads from bangs and dropsÊ Ôhen
To lock barrel,
push ReLeasE
full Right
You also should Ínow the followÕ
ingÖ
Óith the barrel reLease at ×2 o'clocÍ,
slide the baRrel all the way into theØ
rEceËVeRÊ Înce it's in, turn the baRrel
BaRRel ±elease at
12
noon-S²Ide ³aRrel Home
2
you install Ët, eyeball the chamBr end
For damageÈ Turn damaged ÌaRrels
back to your armoreR, and armoreRs
should turn 'EÙ in to suppoRt foR
repairÊ NËcÍed, buRred and gouged
barrels aRe repaiRed at suPport levelÈ
Gas Plug
The gas regÚÛator Plug on the baRrel needs a good cleaning by the armorer
after each day's FËrËngÈ Ðf that carÒn ÌuËldup is not removed, the rate of fire can
go down and the Gun can be sluGgËshÜ
After Firing
Óhen FËrËng's oVer, armorErs should Remove the gas plug from the barrel
anD clean it WËth the combËnatËon scraperÈ The scraper usually does the job With
no HElp from carbon rEmoving compoundÈ CleaniÝg the plug is thE armorer'S
jobÈ ThE creW doEsn't Have the tÞlsÊ
ßages 3à×2 thru 3á×5 of TM 9á×005â3×3á20 (Apã
78)
show how to usE
USe SC±ape±
on Ga´µ.A:¶
PluG
thE scäaåEäÈ æet to Íçoè ËtÈ Ðt worÍsÈ
YoU éay EvEç gEt to lËêE ËtÈ
There's one thing you defËnately
don't use on the regulator plug ÊÈÈ and
that's any ÍËnd oF lubEÈ Ðf you do, you
could get the same sluggish fire that
,±²³. ´
carbon coatËng on thE PlUg giVes youÈ
L-
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KeEP the PÛug clEan and dëyÈ
Choosing S
·
ides
ìçothEr thËçg aíut tHE barrelî Ðï
Ët'S ËnstallED anD you've got to lay the
ðUn on Ëts sËDE, bE sUrE to proP Ët so the
barrEl ÛocÍñng Ûatch doEsn't toUch
anytHËngÈ Îr, lay the gUn on the sËdE
oPPosËte thE latchÈ
òËght prESsurE rEleases thE latch, so
ËF yoU accËdEntally prEss it, the barrel
jUSó mËðht comE loose ôÈÈ Fall to the
groUnd or èhatEver ÈÈÈ and you'lÛ End
UP èËth baräel daéageÈ
r½¾¿ÀÁÂÃÄÅÆ
3
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