PS Magazine - APRIL 1979
PS, The Preventative Maintenance Monthly
ISSUE 317
APRIL 1979
M2 MG DepressoR Fit
HMm±
•±
YOUR DEPreSso±²
-³´µ¶ A·¸ a BIT L¹º» .¼½
¾d¿
hal-²Ast
·
²
•ÀÁ u
herElR±,H²ing
gGd b
thÂÃ
Be³c DEpr´Sµo
o
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PLÃy /N
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Dear Sergeant J.F±M±,
You're right, Sarge± The depressors
are allowed up to 3/32-in vertical up
and down) play± Measuring at the Ups,
or free eNds, they can have up ²o 1/16-
In play ³rom ´ide to ´ide± You've nly
got ±005µIn leeway when you pu´h em
In and out±
¶eed part´ ·or your ¸achi¹e gun
mounts? PedestaL, ta¹k Cupola, gu¹
ri¹G and ´o forth?
ºook in TM 9»¼½½¾¿24¾¿¼4 (Feb
73)±
¶ot only do you get ¸ai¹te¹a¹ce
in·o o¹ the mounts, but you aLso Get
parts listinGs ·or various modeÀs o· the
M¼42,MÁ,M3Â,MÃ6,M49,Ä66,Ä68
and M8Â ±±± pÀus a bunch that are listed
by stock or part nu¸ber o¹ly±
ÅabLe Ã-¾ o·ÅÄ9-½½¾ÆÇÂÃÈɽa¹Ê
ËtabLe ¾Ì o· the -Ǿ
É
aLLoW vertiCaL
:Íove¸e¹t
Ê16ËÌ ÍIFÎÏ ÐÐÑ
DeTenTs and Sp±iNgs ²eE³ CARE
.
r
·
rmorers must Clea¹ a¹d Àube the
dete¹ts a¹d spri¹Gs aCcordi¹G to TabÀe
2-3 o· TM 9-½½¾Æ2Á9-2½ (Sep 7Â)±
,
Û ÜÝiÞßàá âãäåæçè
,
Î
A¹d
theRe's
the
probÀe¸±
The
K½
¾
•
I
:;¿
À
ÁÂ
Ã"
-
ÄÅ
ÆÇ
È
É
Êt
detents a¹d spri¹gs Get ¹eGÀected a¹d
Ïete¹ts a¹d spri¹Gs
Ò"Ó
ÀOWer
bi¹d±
receiver Group o· your ÄÂ6AÐ ri·Àe
Armorers have bee¹ see¹ tryinG to
Ca¹ cost you a bu¹dÀeÑor a ·eW
·ree the pi¹´ a¹d ´Elector lever with
¸i¹utes o· preve¹tive mai¹te¹a¹Ce±
haÍmer and punch, a rock a¹d a ¹aiL,
Òxa¸ ÀeÓ Åhe
seÀeCtor
Lever,
or Ôhatever eÀ´e is handy± At the least,
·orWard pivot and rear takedoWn pin´
each have dete¹ts
Õ
and s
Öi·le¸en must generously lube ×he
pivot and takedoWn pins When you
cLean and lube your ri·Le± See page 23
o· TØ 9ÌÂ005Æ249-½ (Apr 77)±
thatÙs bad ¹ews for the pin holeÚ± At
the
wor´t,
they
crack
the
LoWer
receÛverÜ
Ýhen you craCk the ÀoWer ÞeCeiver,
you scratCh the whoÀe ri·Àe± ßostÓ $Â79±
àou canát get the loWer receiver Group
separateÀy±
àou aÀready knoW hoW to preve¹t
it±
There's
even
ân i¹teresti¹g
procedure in TabLe 2ã3, paGe ¼,o· the
-20 TM WhiCh teÀls you What to do i·
the
pins or detents are stuck± An
eXa¸pÀeÓ Push a smaÀL pu¹ch aGai¹st
the detent with your hand (¹o
ham¸er)±
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