PS Magazine - MAY 1985
PS, The Preventative Maintenance Monthly
ISSUE 390
MAY 1985
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You wouldn't pay $39.95 to tune up your old jalopy if you could make it purr
ĈĉĊ
like a kitten by cleanIng your spark plugs, would you?
Well, some Cobra and Huey mechs have been maKing the saMe ²istakes with
³´µ Their inTernal transmission Flter elemenTs¶ ·hey're turning Their old Flter
elements in ¸r new ones, which cost $3¶34, when The old ones could be cleaned
and reused. 'Course, they're only ¸llowing ·¹ instructioNs.
·hat's The problem-the instrUctions are wrong!
·he Source, ¹aintenance and RecoverabIlity (S¹R) code ºr Flter eLeMent,
»S» 2910¼½¼803¾9525, used In the main transmission of A¿¼1 series and ÀÁ¼1
series helicopters, is wrong in The parTs manuals.
·he Flter's S¹R code is PAOZZ IÂ ·¹ 55¼1520¼210¾23P¼1 Ãnd ·¹ 55¾1520¼
236¼23PÄ1, and PAOOO in ·¹ 55¾1520¼239¾23P. Ån all three Manuals, it should
be listed as
PAOBZ.
·he maintenance code letter "BÆ iÇ
The ¸urTh position of t\e S¹R code is
The keyÈ Åt Means
É
that no repair is
authorized, but the item may be
recon-
diTioned
by adjusting, lubricating and
cleanIng at The user leveL.
So,
CE
and reuse Those Êansmission
oil Ëlters, iÌ possible. 'Course,
I
They're
permanenTly damaged, replace 'em.
ClEan fIlLER²
³EplacE on´y If
daNagEd
Cleaning procedures are ¸und in Para 6¼164 oÌ ·¹ 55¼1520¾236¼23¼1 and
in Para 6¼46 of ·¹ 55¼1520¼210Ä23¼1¶
·he parTs manÍals will be changed To reÎect The correcT S¹R Ïodes.
40
MaY 85
ċČč
ĎďĐ:
đĒ
ēĔ
Bµ¶·k H¶wk ¸±¸
You've heard a loT about abuse Ðately,
but have you heard the latesÑ on troop
seÃt abuse?
Black Hawk sEaTs
Ò
get stomped on
when mechs pull overhead Maintenance
in the cabiÓ area. ·o make rooM ¸r
The job, They disconnect some of the
Troop seats Ôom their overhead attachÕ
ments and leave 'em where they Öll×
on top oÌ the lower diÃgonÃl cables±
·Øat's when the stomping sTarTs and
the cables catch it!
Seats suÙer, too, when the bottoms
oÌ a mechanIc's boots covered witØ
grease, oil, hydraulic Úuid, dirT and
grime coMe down on them.
·o stop this kInd of abuse, remove
the seats and cables ÔoM the cabin
Uh¹1º Ah»1 ¼½¸
area next timÛ you do overØeaD mÃinÜ
tenance. ·ask 23 oÌ ·¹ 55¾1520Ý237¼
23¾5 tells you how.
·he extra eÙort MÃy save you the
embarÞassMent oÌ eXplainIng daMaged
cßbles and àlthy seats and will save
cable replacement cosTs.
Close Couplings corre±tly
Åf The oil or áel Flter on your bird is held togeTher with the old¼sâle coupling,
P» 10035ã, make sure you close the coupling rigät.
A wrong turn could break the bolt and send tØe àlter Îying.
Some mecqanics thiNk they have to remove the nut and slip the bolt under
the coupling bar.
·hat's wrong! As The bolt is torQued
to 50 lb¾in, it pushes against the couå
plIng. Pressure on the bolt can break it.
æo it rightçtuè the
é
coupling bar
arouêd. ·hen put the bolt in and torQue
it to 50 lb¼in.
MaY 85
41
Åf tëe bolt is tigØtened right, it won't
come loose or break±
ÅÌ you have tØe new
ì
clamp, »S»
5340¾00¾225¼9053, you woí't Øave a
proîlem closing tØe coupling.
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