PS Magazine - MARCH 1975
PS, The Preventative Maintenance Monthly
ISSUE 268
MARCH 1975
Dear Specialist
J.
P.
G.,
MaintenaNce of the FappiNg aNd ±eath-
eriNg axis maiN rotor hub beariNgs has
'
beeN a major problem² Units with the AH³
LG´s and UHµLC/¶ models have the s·me
¸i¹cultyº
Depots are inst·llINg a New el·stomeric
Bearing iN the »appiNg ·xis o± AHµLG
heads as kIts become av·ilable² Ey¼ba½½
your rotor head¾s D¿ Àorm
2408-5
to see
i
¶WO
55±1615²201²50/1
h·s beeN ·PÁ
pliedÂ
NEW FeATH±RInG a²S
³lsOM´rµC B¶·¸g¹
º»¼ ½¾o ¿À
1E
wÁÂKÃ
LÄ tÅ Æh-²Ç
540 ÈÉÊË
HeAD.
Ì
Í
THE RIGHt hARDWaRe
The use o± bÃÄÅÆg ÇÅRe ·NÈ glue tÉ hÉÊd
ËN Pl·ce o± scRewsÌÇÉÆÍÎ h·ÏK ÐÎ: The
ÎÏÐÑ
Ñ·N
·ÅRÏr·±Î ÎogeÎheR mÐgÒÎ hÓVe beeN ÔÕ
±R·me iÖ uÆÈeR sÎRess ËN »I×hÎØ ·NÈ m·KeÙ
ÇheÆ ÔRvIÄÄe ·Æd ÚIÛbuR sηRÎedÜ
Ý
ÞuÎ IÎßs
shi±t àes caÆ ruiN youR ÇhÉle
dÎ
y
!!
Ò
· NoµÆo oN ÎÉÈáYâs sÄeeK
ã
ÞÅäÈså
æ
çÎÅÏè ÇÐé Îêe haRdw·Re lisÎeÈ ÅÆ Îhe
Ó
ë·ils iN pÄ·Ïe o± ìíîeÎsïÞoÄÎs ·Æd ÆuÎs
ÞËRð paRts PuÞÜ
YÔ
he·R?
1±L_²0³·
ÕÖ
±²³
×
ØÙ
´
ÚÛÜ
µ
ÝÞ
¶
ßà
.·
áâ
¸
¹
ã
º
ä
åæçèéê
è
ë
ì
íî
ï
ð
A HIT-IS a STRIKE!
Dear SPecialist
ñò óô
J³,
ñegative!
ño matteR wh·t the t·il rotoR hItsØ yÉu
have · bl·de strikeÂ
òhereós No way you c·N determiNe iNô
ternal damage to the assembÊyº õoö Îhe
huB aNd Blade assembly h·s to be coN÷
demNed aNd disposed o± loc·lÊyø Th·tùs
your
opeNiNg
traNsmissioN coÇlingú ûiow·
Îypesü ÔÎherwiseú yoýÍll geÎ the poiNÎ the
haRd Ç·yþ±Rom the
fm
aNteNN·ÿÿ
òhĀ source of ā· highĂfRequeNcă vibR·Ą
tioN caN sometimes Be har¸ to ąn¸Â Would
you Believe that a loose door latch c·N
cause ItĆ ćt´s true!
ëeVeR Ĉy to gRe·se those teFoN tailĄ
rotor be·RiNgs ÉN youR ÕioÇ· ĉĊ They doN¾t
Æeed iċČ À·cÎ isč gre·se will shorÎeN Îhe
»
¼
Ď
bďaring life by PiÏking uP dirt aNd Đritº
õõ
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