PS Magazine - TB 43-PS-428
PS, The Preventative Maintenance Monthly
ISSUE 428
JULY 1988
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your M2 has a charging cable,
´µ¶·¸¹º» j(
alwayspullitstraigHtBackwhenyou're
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headspacing, tIming, or puttIng on The
barrel. Pull±ng The cable up fays and
rUins it. Eyeball ²e cable FOr ³aying
be´re you go µo ²e ¶eld.
Bolt Bits
PuLL chargIng cabLe
-²
STraIghT ±ack
³
Do ²is to avoid sTUck cleanIng
patches in the bolt's ¶rIng pIn hole:
-·rim the ¸atch to a 3/4¹iN square.
Wºen you remove the bolt fom »he
receiver, stick the bolt stud in the
backplate hole¼ ·hat way you won't
½t's a two¾way street.
Your M2 machine gun will do its job
´r you iF yo¿ do your job ´r it. WIth
These PÀ tIps, you and your M2 can get
µhe job Áone together.
ON-²imE ²imiNG
You must headspace and time your
M2 every tIÂe be´re you Ãire to preÄ
vent rUptureÁ cartrIdges and a damaged
weapon.
Åut you'll have a hard time doiNg it
right iF your headspace aNd tiÆIng
gages are bent, rusted or pItted. Gages
must be smooth to be accurate. Çever
etch an
i
on your gages. ·ag ÈÉe gages
iF you need an
i.
D³ ´µ¶
MarK
gageS!
18
Your armorer should hang gages on a
board or hanger to prÊtect them.
I
you can move The adjusTment and
timing nut in The receiver with one ¶nË
ger, tell your armorer. Ìe spring is
weak and wiL hurt timiÍg.
·a¸e Sure
¹IMIng nuT
d³eSn'T
SpIn
eaSILy
Also, Îel the barrel locking spring
´r strengTh.
I
µhe spring's weak or
broken, the barrel tURs anÁ your M2
loses Its headspace.
Chec¸
barreL L³cKIng
SprIng
JUº 88
ÏPut CÐP on the patch anÁ work it
straight in and out The ¶ring pin hole
wiTh your cleaning rod. Don't twist ²e
rod. Ìat jams the patch.
PuSh
STraIghT
Ñ
½F you ever stIck a patch, your
armorer shoulÁ send The bolt to DS.
Òying to get tÉe patch out wITÉout the
right tools ruins an expensive bolt.
JUº88
19
lose it.
Åe´re you install the
bolt, make absolutely
sure the cocking lever
is FOrward.
½F the
lever's back, Óou're
stUck with a gun µhat
won't shoot and your
armorer's sTUck wiTh a
tough job getting the
bolt out oF the receiver.
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