PS Magazine - OCTOBER 1977
PS, The Preventative Maintenance Monthly
ISSUE 299
OCTOBER 1977
I
·i
I
tartmg ng t Now you ca± iom t
·
.seal o² your
M60A2
taNk:
Get yoUr copy of TM
9-±350-²3±³±0´±
(Feb
75)
aNd ³ake the last seNteNce of
Table
´
±´±,
page
±-18,
readµ
"Firng pRobe seal (Inspect AteR fiRing
µ¶¶
conveNtional Rounds).±
FIrI²g probe seals ¶et replaced o²ly wheN they're pItted or eroded, Not
Because they have goNe
±00
rouNds·
LIkewIse¸ cross out the "dIscard seal¹ Note oN page
±
.
-671
aNd ³ake page
±³
67±
readº
"Installation: Inspect the fiRing pRobe assembly seal and sEal seating suRf ace
inside the BReech chambeR. If pitting oR eRosion is found, paRts should be
Replaced. I²staL firng pRoBe asseMb³ in ReveRse oRdeR of Removal (figuRe
µ·
¸4¹º»
ToRque coL´R nut to
µ¶¶
to
µ¼¶
lbs-ftµ ¶eplace pRefoRMed packing ·S¸
¼½½¶¾¶¶·¶¿¶ÀÁ¶Â¼Ã
in fiRing p¹OBe.
¸oteº Check continuity of fiRing pRobe befoRe tigh»eninG coLaR nut and
tightening Receptacle ¼u½ and washeR.±
THe TM »s gettI¼g thIs chaNge·
½IrI¼¾ probE seal ¿S¿
Ä0±5-ÅÅ-9Æ5-39Æ7,
costs
$Ä6DZ5,
so savÀ oNe Every
cHa¼ce YoÁ get·
±
I
INSPECT PROBE SEaL aFTER ÈÉÉ ROUNDS
i
-±
1²³a´@µA³
Top
L
d
.
.
A
.I
oa 1ng
·
1r
It lower tÃe ele³eNt all the waÄ to tHe
-
botto³ oÅ the aIr clea²er Æox ÆEfOrE
slIdI²g It toward the sealINg sÁrÅacE·
WheN tHe door Is opeN It shoÁld rEst
geNtly oN thE rear Åe²der box·
¿eVer but ÇeveR sta²d oN tHe doÈr
whe² ItÉs opE¼Ê
StaNdINg o² the door wIll ÆrEak the
hI¼ge aNd whe² the hINge Æreaks, the
ele³eNt woN't seal rI¾ht· ThIs lets dIËt
¾et sucked I²tÈ the e²gI¼e·
ÌouÍll have a tough job gettI²g a
broke¼ HINge repaIred· ÎINgEs arE
alu³I²u³ a²d caN be welded o¼ly Æy
dIrect support or abovE· So do¼Ét
break the³·
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