PS Magazine - JANUARY 1986
PS, The Preventative Maintenance Monthly
ISSUE 398
JANUARY 1986
M60-Series Tanks .±²
Gaging
Gouges
Loose fSteners on
Fnal drive hubs anD
sprockeTs can dAmage
your
tn
and set up
An aCCiDenT.
When You Crewmen
MAKe Your be±re-
operation P² CheCKs,
Eyeba³³ The Hubs and
spRocKets. Look ±r
signs o´ looSe nutSµ
shinY spots oR RuSt¶
Loose mounting BoltS
or sTuds wIl³ gouGe tHe
meTal and make tHe Hub
or SproCket uSe³eSS¶
·ouginG ¸I¹³ ¹et tHe HUB or
sprocKet mOve baCk and ±Rth
on its mount¶ º´ tHe Hub OR
sprocket SheaRs O» ¸Hen You'Re
tooling down the
tn
tRai¹, yOu've Got
55 tons O¼
tn
that'³³ be mIgHtY hard
to control¶
½epo¾T loose hArdwAre To you¾ Me¿
chAnÀc As soon As you spoT ÁT. ½eTightenÂ
Àng MAy soÃVe The p¾obleM: 140Ä190
ÃbÅÆ wET To¾que Ǿ The sp¾ocKeT nÈTs
AnD 450É470 ÃbÄÆ wet To¾qÈE Ǿ TÊe
ÊuË nuTs.
GPFU Airlow TeStS
ÌHeRe'S He¹Í avaI¹aB¹e ÎR YOU ÏÐ8ÑÒ/Ï6ÓSeRIeS
T,
ÑÔÕÖ aN× ÏØ28
meCHaNICS IN OÙRatING tHe Ï3Ú ÛIRÜO¸ teSteR¶ ÌHe teSteR meaSUReS tHe aIRÜO¸
ÝOm tHe Ï8Ñ3 aN× ÏÞ3ÑÞ GaS ÍaRtICU¹ate ß¹teR UNItS tO eaCH CRe¸memBeR'S
ÍROteCtIve maSk¶ ÌHe INStRUCtIONS aReN't ÎUN× IN aNY O¼ YOUR à2á ÌÏ'S, tHO¶
ÌHeY'Re IN âaRa 2àÒe O¼ Ìã Ð3àäåæà3ÚàÐ (JaN 8Ò)¶
6
NM
FRom MisSing WaShe± to LoSt ²ank
çOmetHIng aS SImp¹e aS tHe tHRee SpRING teNSION ¸aSHeRS ON tHe tRanSmISSION
mOUnt bRaCketS CaN ³ea× tO YoUR
tn
BeING èÏéêIë tHeY'Re mISSInG¶
ìHe ¸aSHeRS CUSHION the BRaCketS' RuBBeR BUSHINGS¶ íItHOUt ¸aSHeRS, tHe
BuSHInGS ¸ear Out QuICkî¹Ike¶ ÌHeN a³³ tHe SHOCkS aBSORBE× BY tHe BUSHINGS are
tRaNSmItted tO tHe ÍaCk¶
ïveNtUa¹¹Y, tHe SðOCkS aN× BUñÍS ×òñaGe óa¹ ×ôIve Sea¹Sõ aN× tHat ÍUtS YOUô
±²
OUt O¼ aCtION¶
öOU ñeCHS CaN ÍReveNt ×òña÷e BY maøIN÷ SUôe YOU
i³l
ò¹¹
´e
SÍôING
teNSION ¸aSHeRS ON eaCH ñOUNt ¸Heù YOU ÍUt tHe ÍaCú IN¶
û¼ tHeYüRe ñISSIùGõ Re͹aCe tHem ¸Iý
µSµ
Ò3þáàÿàØÚáàáæ8Ā¶
ïYeBa¹¹ tHe āBBeR BUSHIN÷S INSI×e tHe BRaCkeĂSõ tă¶
I
tHeY'ôe tOĄ OR RaGGąõ
Re͹aCe tHem ¸ItH
µSµ
Ò3ÐáàÿÓĀØ8ÓÒ38Ú¶
p³ B´ck Issues
öou dOn't need to GO ARound In tHe ×ark tRYING tO Fn× baCk ISSueS O¼ âĆ
²AgazIne¶ juSt dRop A ¹Ine tO ãoNnIe, âç ÏagazIne, LexIngtON, ćY ÐáÒææĈÒĉ01.
Nm
7
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