PS Magazine - FEBRUARY 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 243
FEBRUARY 1973
BOLT HEAD
-
Worn or elongated
firing pin ho±es. Damaged, broken
extractor ±ip² Worn or burred pins
and ±ocking surfaces³
FIRING BO´T ASSEMµLY
¶Nick
·
ed, burred, ga±led ¸rackways¹ Worn,
damaged rol±erº
SPRING»Broken,
cracked. Com¼
pression gone kaput!
P
½N
¾»
Bent ±ock¿ng pin; spring
pin ends ba¸tered³
GUIDE BAR
-Nicked, cracked, or
bent, won't control roundsÀ
BEARINÁ
WonÂt
rotate free
DÃLÄNKIÅG FEEÆER MAÇÈ56/A AÅD
AMMO ÉHÇÊE
ËCracked, nicked, broÌen,
scored² Dirty, gÍmmy, too oilyÀ Meta±
filings, dirÎ, grease, oÎher noÏgoÐÑÒstÓff
in ammo magazine assembliesÔ
ÕÄRING
PIN
-Worn,
broken
sÎriker² Burred, worn tangÖ
×Ø
1
Ù
L
»Bore and chamber too oi±y,
dirÎyÀ PowderÏfou±ed barre±Ú Outer surÛ
face too greasy. Eroded, piÎted, damaged,
worn ±andsÜ DeÝormed, bulged barre±À
1±
²
P
ËWorn,
damaged, needs oi±À ReÎaining rings loose.
ARH ,ON rOL
Þ1
-
Êoo greasy³
D
vl f³
.•
ßàáL
ËBurred, nick¼
ed, broÌen, dirty spur gears.
REC
âVER
Ë
Dirty, needs ±ubingã
I
Iä
I Jå
F
I
´ µc¶
-Êip burred
or æroÌenÀ
çèéê LèVèR
-ëorn, cracÌedÀ
ÕìíD
åEAR
-Worn, broken teeÎhÀ
FOLLOîÄNG åEAR
-ëorn, broken
teethÀ
ï
ðññò SLIDE
ËBurred.
FóED SLIòE ؾSEàôLõ
-
Missing or
damaged pin³ Cartridge feed actuator
bearings, posiÎioners, spr¿ngs, retainers,
p±unger, cartridge stoö, ±ever, Ýeed pawl
and p±unger need ±ubeÀ Burred, binding
guides ÷n' s±ots²
õOKE GÇIDè
-
Deformed, æurred.
FÄRINå øIN
-Damaged, worn, chippedÀ
ùREECú ûN¾ERÊ
-
ErodedÀ
åÇN
CRØD´íü
_
àAGØZÄNè
ØMàO
CúUÊè
-Dirty, excess grease, oi±ý Gremþ
±ins ±¿ke so±der, meta± fil¿ngs, d¿rt, gravel
that cause FOD³ BroÌen, frayed w¿res²
Any componenÎ marred, scarredÀ
Hold one, Knucklebusters! This
40-
Mm
scatter gun has upteen spring pins.
Be extra c-a±r±e±f±u±1 that nary a one of
. _·¸¹¹º»¼½¾¿ÀÁ Â
'em is bent² broken, or has lost its pizazz³
Hydraulic ´oses and fairIngs get a
20Ã20
loOk for security² leakageµ
Ä7
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