PS Magazine - TB 43-PS-518
PS, The Preventative Maintenance Monthly
ISSUE 518
JANUARY 1996
UH-60 .
..
·
"•
MtT-
However, with Black Hawk bLades
you ±ave one moRe UnIt level opt²on.
A leaky B³M IndIcator mIght be
caused by a f´uµty 0-¶Ing·
NSN
533¸¹
º¹8¸4¹569»¼ ½tem 18/¾9 oF ¿Ig 334 in
TM l¹¾À2¸¹Á37¹Â3P2Ã
½f your pressure test IndIcates ıat
you have an Indicator problemÅ and not
a spar probµem· see IF t±aÄ 0¹¶Ing is
bad by doIng t±e test IN Æara ÀǾ9.lÈÉÊ
³F the 0¹¶Ing Is ËeÌking, remove the
pressure IndIcator, put ²n a new 0¹rIng,
¶eInsÄall t±e ÍnDicaÄor, ÌNd Do t±e Äest
In P̶a ÀÎÏ8ÐlÐ
PS
518
49
'
here's not much yoÑ
can Do WIth a F´ulÄy B½M
IndÍcator
on
a
BËacK
HaWkÒs maÓn rotor blaDe
but repËace ItÇ
All Ôepa²rs to the IndÍCaÕ
tor, except Äo the tesÄ µeveÔ
aND t±e screw ıaÄ holds It,
Ìre Depot repaIrSÇ
ÖF the Ónd×cator lIghÄ passes ıe tesÄ,
your probËem was ıe عÔIngÙ
½F t±e IndÍcaÄor FaIÚs t±e Äest, reÛ
pËace ItÈ
JAn 9±
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