PS Magazine - APRIL 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 245
APRIL 1973
The foam rubbeR barRieR filteRs weRe
removed fRom yoUr HUey w±.en MWO 55-
1520²2³0-3´/µ7 <J¶n 68) came ou· wi·±
t±e engine paR·icle
separator and Inlet
fil·ers¸ The Foam rUbber fIlters weRe Caken
oU¹ becaUse ·he ice de·ec·oR was removedº
TRouble is, some of ·±e old foam filters
are beIng Used along wi·h ·±e new 14-
mesh fil·eRs» T±e foam fil·ers collect mois¼
tuRe w±ich can freeze in cold wea·her
and c±oke off aiR ·o ·he engine inlet½
You'll los wi·± ·±a· ·ype of play¾
¿UbbeR fiL·ers aRe ou· w±en opera·ing
in cold wEa·±eRÀ
STOP FOo
Some of t±ose ³4-mes± fil·eRs, ÁSN
2945-027Â30³6, are made with the rivet
±eads facIng ·±e engine inle·Ã Vibration
can break off ·±ose Rivet ±eadsÄ TheyÅre
small enough to pass t±ru ·±e Ænle· screen
and into ·±e engine¸ SCop i·!
A Rive· head may caUse only ÇÆnor
daÇage, bu· w±y ·ake t±e c±ance?
PU· a bead of ad±esive compound
MilÈSÉ88´2, ÁSÊ 8030²753Ë5006 oveR the
rive· lÆÌeÍ Î·Åll hold ·±e rivet ±eads in
place even if ·±ey s±ould breakÏ
50
·-±
.±
_
CLEANING YOUR ENGiNE
Ðhen yoU clean yoUr Ñuey engÆne, the
best Òay Æs to Use ·he waterÈsoÓUble
ÔleaÌer caÕÕed for Æn para Ö×Ø5 of ÙÚ 55Û
28
Ü
ݲ22
Þß
2à (Aár 7â) on t±e Tã5ä engÆneÍ
åf yoæ Use t±e aÓterÌate ÔÕeaner, ·ho,
abrasÆve graÆÌ is Òhat yoU Òantç
S±GNaLS cR²SSED?
SignaÕs áUt oUt by yoUr Ñæey have Co
be seen by alÕ the áÕayersè éÕÕ ro·atÆng
BeaÔons mUs· be workingÍ êeacoÌs ÔoÇe
froÇ sUpáÕy ÒiCh a Decal coveRiÌg Che
Òater draiÌ hoÕeë
ìhíÌ Che îeacoÌ Æs Co go on the boCï
CoÇ of yoUr BÆrDð Cake Che decaÕ off so waï
Cer caÌ draiÌ oUCç
MAKE SURE
DECAL IS OFF
51
ìheÌ yoU pæC Che saÇe Cñpe beacon oÌ
Coá of yoær baby, leave Che DraÆÌ hoÓe
coveredè òhe decaÕ ÒÆÕÓ keeá ÒaCer froÇ
enCerÆÌg Che Beacon anD s±orCÆÌg oUC Che
ÒorKsó
ås the toásÆde beacoÌ DraiÌ CaáeD oÌ
yoUr Ñæey? Îf not, pÕæg C±aC holeô
YessÆr-e-e-e, yoU anD C±e main·enance
teaÇ ÒiÕÕ sÔore ±Ægh oÌ ·he aÆrcraft avaÆÕõ
aBÆlÆty char·öÒ±eÌ yoU ára÷tiÔe PM øèÍ
ÓiKe a ároÍ
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