PS Magazine - TB 43-PS-441
PS, The Preventative Maintenance Monthly
ISSUE 441
AUGUST 1989
M60 Machine Gun .
.±
gas system provides the breatH
of life fOr your M60 ±acHine gun. If
The Gas sysTem becomes gummy and
grimy, the gun couGhs and sPUtters and
chokes .
.. and qUiTs² BUt jUsT a Few
minUTes of daily
³MCS keeps your
M60 gassed up and ready to go.
´eel The Gas cYlinder for looseness
by grabbing The barrel firmly with one
hand and geNtly tugging the cYlinder
side to side WiTh The other. If yoU µel
anY movemenT, tell your armorer.
A
loose gas cYlinder cracks the piston.
¶ilT the baRel up and down and LisTen
fOr The qUick ·lick ¸f The Piston. If
±
±
²
there's no qUicK click, clean The piston
and cylinder¹
A
dirty Gas system causes
short recoil² ¶his can resUlt in a runa-
way gUn, failUre to exTract, feed and
Fºre.
»se C¼³ to clean carbon o½f the Pis-
ton¾ ¿eme±bEr to shaKe THe C¼³ boTtle
first to Àix the C and ¼and ³. If yoU
have troUble geTTing all the carbon oÁF,
Use ¿BC, ÂSÂ 6850Ã00Ä224Ä6656.
Åour ar±orer shoUld have soÆe. Çt'll
±aKe the job easier¹
ÂeVer use crocUs cloth oÈ tHe Piston
or cylinder. CrocUs cloth roUgHens tHe
Piston sUrÉce and causes worse carbon
bUildÊp¹ It enlarges tHe cylinder and
Lets gas escaPe.
Don't use crocus cloth
on the pIston± ²t causes
carbon buIld-up
¿ea± tHe gas Port wºtH yoUr coÀbº-
nation too˹ ³UsH ºt in UntºË yoU rEacH
14
aUG 89
botto± or THe cylinder wºll stºll be PlUg-
ged Up.
¿ea± aLl tHe Holes in tHe PºstoÈ and
cylinder.
ÌUn yoUr bore brUsH tHroUgH tHe cy-
linder and oVer the cY˺nder and Piston
Holes to ±aKe sUre YoU'Ve gotteÈ all
tHe carbon. ÍÎÏn ºf THe Piston's cLean,
GIve cyLInder and pIston a
cleanIng to make sure you³ve
removEd aLL The carbon
aUG 89
15
cylinder.
»se a Pºece of lacºng wire to clear
out the extensºon Vent hole.
ÐiPe tHe pºston drY beÑre yoU pUt
it back iÈ The cylinder¹ MaKe sure tHe
piston holes lºne UP wºth tHe cylinder
hoLesÒtHe sHºny Pºston end goes ºÈ
Ëast. Ótherwºse, yoUr Ô6Õ FºrEs oÈce
anD qUºtsÖ
ÐHen YoU PUt tHe cYlºÈder bacK to×
getHer, Àake sUre tHe KeY wasHer's
loÈg ProÈg Poºnts toward tHe oPPosºte
end oF tHe cYlºnDer. ØF tHe wasHer's
bacKwarDs, YoÙ'LL HaVe a toUgH tiÀE
taKºng oFF tHe cYLºÈder nUt agaºnÚ
ÐheÈ YoU screw oÈ tHe cYlinder ÈUt,
˺steÈ FOr tHe ÛeY waÜHer's cLºcKingÖ
Âo cLºcKºÈG ÀeaÈs tHe wasHer'Ü weaK
and wºLË Let tHe ÈUt bacÛ oÙtÝ Þet a
Èew ÛeY wasHerß
KEy washer
sHoUld
clIck as
YoU sCrew
IN nUT
àaVE yoUr arÀorer safEtY wáre tHE
cyLiÈder PLUG aÈd KeY waâHEr to KeEP
tãäå cYLiÈDEr tºgHtÝ
Âow YoUr æ6Õ caÈ brEatHE FºÈEÖ
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