PS Magazine - MARCH 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 232
MARCH 1972
Right?
So you maintain
the
steel
obturator
gasket on your gun-launcher a bIt dIf±
ferent from the rubber obturator gaskets
on most oTher artillery.
Rubber obturator ga²kets w³Ll take a
lot of abUse while you're gettIng ´heM off
For cleanIng.
µhe steel obTuraCor Gket ¶SN 5303·
937·20¸8 (P/N 11577694), won¹t.
ºt¹s maDe slightly oversize »or a "snap¼
in½ fIt, and It won¹t work right If yoU wear
it down or enlarge tHe gasket retaining
area In the rear of the g¾n laUncher tube.
So
. . .
never
¿se
sanDpaper,
emery
cloth, steel wool or a shArp instruÀent
fOr cleaningÁ
Âfter firing, careÿlly unsnap the ob¼
turator gasket
wIth
oÃfset
screwdrIVer
¶SÄ 51¸0Ÿ87Ƹ130 (ÇÈÄ ÉÊÅSÅ1¸1Ë.
ºt is real ImÌrtant tÍat yoU Do this
carefÎlly and gentlyÏ ¶orcing it by ham¼
mering wIth a straight screwDriVer, hamÐ
mer anD pUnch or Ñliers, can Distort the
gasket AnD bearing sUrfaces, and you ruIn
the ÒsketÓ
Âlso after fIring, scÔb the obturator
gasket, the ÕnÖlauncher retainIng grooVe
and The ×rward eDge Øf the breech cHam¼
ber thoroUghly wIth rIfle
bore
cleÙner
(ÚÛÜ µY (ÝÞßÅÛà37¸) aáD a rag, brIsâ
tle brush or old tooth brushã
Âll suräceså inclUDiág the g¿n launch±
er reTaInIng grooVe, m¿st be free oà car±
bon, DIrt or other gunk.
When
eveæything
is
clean,
caref¿lly
snap the obtUrator gasket back Into posI±
tIonç èaMéerIng or poundIng the gÙsket
into posItIon is not necessaryê ëou coulD
.
_
_
±
²
³
_
ìíîïï
ï
ï
ð;
ñò
dóM
ô
age
the gÙsket.
20
'HE WARraNTY IS
COOL BUt hOw ±bou²
³´e
I
µ¶i·¸¹ºl»s
M60-SERIE•Sl,
¼.
T
A
NK
S
NOW WARRAnTED
ëep! Something new has been aDDeD.
õf öoUr ÷60øù tank, briDge launcher or
Ý7¸8 ÛEú is newûdelivereD to the Ârmy
afTer
JUne
1971üit¹s
protecteD
by
a
warranty.
ºf
yoU¹ æe
not
sUre,
check
yoUr
Data
plate or log book ýor the acceptance dateÏ
úehicles þhippeD ýrom September 1971
anD later have a Decal in the commanD¼
erÿs station reaDing:
I
ATTENTION
i
THIS TANK iS WARRANTED UNDER CONtRACT NUMBER
DAAF03·71-C±0015 REFER TO TM 38±750 FOR PRO²
CESS³NG WARRANTY CLAiM ACTION. COMPONENtS AND
PARTS WARRANTED ARE lISTED IN ThE TB-9´2300µ295-
15-10¶ WARRANTY EXPIRES
½«
:1•0c-±";
²
³
´
µ
·
¶
¸
¾
¸
{ACCEPTANCE DAtE iS REfLECTED ON DATA PLatE)_
Âll vehicles the ÂrMy bought UnDer
contract
Ā¶03Ö71ÖÛÅ0015
have
the
warranty even if they Donāt have the de¼
cal. ëoUr sUpport uĂIt will apply ăt to Ąthe
JUne, JÎlö anD Âugust vehicles later.
Ýeanwhile, If something breaks, get
a warranty claim real fast. ºt coulD save
ąncle some money.
be»ore Ćou
ÃIre
THać
roĈnD
wIth a proxImIty f¿zeç µhere
¿ÀÁÂÃd nÄÅ
be a
ĉp
between
the proximity Ċ¿ze ²Houċder and
When you fIre a round wČth
a
ImčropĎ
erlĆ seated ďµ f¿ze, it can cÙuse preéaĎ
t
detonaĐion In either the tube or over
the heads oà friendlđ trooĒsē µhaĐ couĔd
resuċt in DeatH or injurĆ to Ćour bĈddČes,
anD it coĕĖd put đo¿r equIpment out oÃ
coMmIssionė
ºĘ ęo¿ fInd a ĚoUěd with a góp oà Ùnđ
kIĜd bećĝeen the proximItđ þze shouĞder
and
the
projecĐIle,
eIther
rğĠuze
wČTh
pġintÅdetonatČng f¾ze or get rId of the
rouádĢ
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