PS Magazine - TB 43-PS-421
PS, The Preventative Maintenance Monthly
ISSUE 421
DECEMBER 1987
I
,
ij
Jc
M1A1 Tanks .±²
Grind the Plug
The anor plate plug you crewmeN
have to remove to get at the lockiNg pi±
fr the Number 4 or 5 leF-side skirt caN
be a bear to get out.
The plug ²ts above the skirt aNd oN
the ³BC armor plate.
I
some cases
RemoviNg
the ³rmor
pl³te plug
m³y c³Ll
for the
griNder
theRe's Not eNough clEaNce fr the plug
to come out easiLy.
To
f
the problem, get your m´chs to
griNd about a quarter oµ aN iNch o¶ the
bacK ´dge oµ the plug·
They'¸
ne
to prime aNd paiNt the
plug accordiNg to
T
43¹139. DetaIls oN
this
f
caN be fuNd iN Para 2¹5µ oµ ºB
43¹0»1¹39¹3 (Jul 87).
GriNd
',
³bout
´-iN
oF the
b³cK edge
WeDge the Telescope
ºhe w´dge assemblY oN Your taNk's M1¼5D Ar½cu¾a¿d ¿lescoÀ holds the ÁoNt
eNd o the scoÀ steady.
i
itÃs ÄÅssűg or loose, cross-couNÆy operatioN or Ç messes up the scope
aNd boresight adjusÈeÉÊs·
i
the wËdge is mÌss̱g, Your taNk must go to DS to get iÊ replacÍ.
ε the bolt holdűg the w´dge is looseÏ torQue it tO 3¼Ð35 lb¹iN· ÑhaÊÒs tight
eNough
t
hold the wËdge ÓlY, but Not too tight to brÔ the bolÕÖ
BOµEsI¶H· DEV¸CEs ¹º¹
Re± FLa² 'Em
»
¼½¾¿ ÀÁ S½ÂÃÄ¿Å Æ
ÇUÈ W¿ W¿Å¿ÁÉÊ
¿XP¿¼ÈÄÁË Ì½U!
ε you ²re a ta×k's 1¼5 oR 12¼MM caNNoN with a muzzle boresight iN the tube,
you caN damage the boresight device, the guN tube or other equipmeNt, oR INjuRe
a buddy.
To help you remember to remove the M26 or M27 boresight device, tIe a r´d
Øag to the eNd oµ it. The M26ÙÚ aNd M27 ÙÚ come with a r´d Øag already atÛach´d.
Pay atteNtioN to what the red Üag meaNsÝthere's a boresight device iN the tube
aNd the guN's Not ready to load
ad
Þße.
à´ed a Øag? Use àSà 8345¹á¹227¹1511.
Ùs a secoNd check, always look through the breech befre you load that Þßst
rouNd oµ ammo.
ImpAct Socket fo³ T-142 T³Ack
âou'Ve a¾ways waNt´d a thiNwaãL impact socket to use oN M6¼-serÅes äk track
ceNterguidesåNow you
æ
caN get oNeç SNap-èN has a wiNNer IN Pà éêS422,
ëÙGì 55í19. î's a 6-pt, 3/4¹ï square drive, 1 5ð16¹iN socket that ²ts wIth
ñ/8-iN
±
spareò óse it ÅNstead oµ tôÅNg to grÅNd dowN a staNdard Åmpact socket.
ºhat õust wöakeNs the socket wal¾s aNd makes it dANgerous to use.
DEC 87
9
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