PS Magazine - DECEMBER 1980
PS, The Preventative Maintenance Monthly
ISSUE 337
DECEMBER 1980
DN'T MAt±ER, SaW²³
!
M 6 0
n's
nO´ 24 IµCHes
MG: The
-pring's
the tHi
n
g
LONG±
The operating rod spring of your
M60 machine gUn can pUt ±he gun
down in more ways than one.
•±
Forget it. The rules have changed
²,-³1rA´Rµ
and the spring can now be from 22%
inches to 27 inches long.
The word on serviceable Length is in
TB 43-0001-36²1 (Apr 79).
·. _
.
±
²
³
,
&
•
s±-²
!³
´µ¶=·¸¹º»¼
³½
1
Check fo¶ bends·
lat ±PotS
flat spoTs anD lEngTh
Wear caUses fla± SPO±s On thE OUtEr rims O³ ±hE SPriNG´ µr¶OrErs sHO·lD
rePl¸ce
¹
±he spring ºheN ±hey ³ind ³la± ¸rEas´
»omE±imEs ±he o¼era±ing rOd sPring will ±¸kE ¸ Per¶¸nEN± Se± ³rO¶ ½EinG
bent DO·blE in i±S P¸cKaGe. If YO· re¶OvE ¸ SPriNg frO¶ ¸ ¼¸ck¸gE ¸nD it Sti¾¿ haS
a slight ½end in i±, t·rn i± ½acK in´ À±herwiSE, ±he ½END ºi¿¾ ºE¸r D·riNG USE ¸nD
yoU'Ál h¸vE ±O rEPl¸CE i± anyº¸y.
M¸6¹¸ ºiFle .
..
FirINg ²In FOuL!!
»ure yoU can Use yoUr rifle's firing
pin to heLp taKe down your weaponÃ
ThatÄs Legalà BUt yoU never use the
firing pin for cleaninÅ jobs.
F'rinstance yoU never Use it to
remove the carbon deposits froÆ the
shoulder inside the boLt carrier. That
can ruin tÇe firinÅ Pin tip .
.Ã and tÇa±'s
a foul.
..calLinÅ for a new pin.
Read the bolt carrier grOUp cLeaning
poop in TM 9²1005²249²È0É
Êou clean out carbon deposits with
pipe cleaners swabs and Rifle Bore
ËLeanerÌRBËÍ Îothing eLseÏ
Ëarbon buildUp's usUaLly caused by
too mUch lUbe on ±he bolt c¸rrier
groupà »o after the cleanup biz ¿ÐÑÒ±¿Ó
lUbe the firing pin and firing Pin
recessÍ
¶·
Wa¾c¿
THa¾
Repeated reÆovaL oÔ Õhe nUÕÂ screw
anÖ spring tension washers on tÇe
Õrigger and fraÆe asseÆbLy of your
²·
M240 macÇine gun can do in tÇe
\-
.
,±ilf
.
w"h×
.
.
: ±²
4
?
.; y³
³
-
;»¼
¸¹
Àf
:½
'r
ÊoU migÇÕ ÇaVe Õo reÆoVe tÇem
oÔÕen enougÇ in training so tÇat Õhe
wasÇers λΠ53Ø0Ù0Ú-033-3850 Lose
tension or tÇe serrateÖ siÖes wearÍ If
tÛe siÖe wears smootÇÂ or tÇe bÜnÖ
flatÕens oUt the nut λΠ53Ø0Ý0Ø-
034²Ø542; can bacK off.
If Õhe nut worKs Loose tÇe trigger
anÖ Ôrame assembLy starts to coÆe
apart ÍÍÍ and can even faLL off during
firing.
»o wÇat Õo do? Þse an adJustable
wrench Õo tighten the nut wÇen yoU
install it. A checK after firing woUldnßt
Çurt eitÇer. àf tÇe nut Keeps coming
Loose teLL your armorerÍ áe may haVe
to replace the tension wasÇer.
¶5
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