PS Magazine - JANUARY 1980
PS, The Preventative Maintenance Monthly
ISSUE 326
JANUARY 1980
.±²
³
´,µc
¶ ·¸¹-º
Pick up a coUple Of uniOn fittings
and frOm aLL appearances they lOOk
(even measure) exactly the same.
DOes that mean The fittings are
identical?
NO±
necessarily!
Even
experienced mechs have tO LOOk inside
a fit±ing tO see if there is a restrictiOn
built intO i±.
²ake a fuel cOntrOl change On a ²-5 3
Or ³´55 eRgine, fµr exam¶le·
.·
- ±"² .³´
giVing yOu an engine surge: 'COurse
±he 2 restricted fittings
do
gO tO the
fuel press¸re transmitter lines .¹
AnOtHer
p
lace
where
rest
r
icted
fittings will really lOuse up the wOrks
is the 3rd and 4th Oil scavenge ¶Or±s On
the gear bOx Of a ²´53 engine. º
restricted
fitting
will
gi»e
yOu
a
Install
¼
a restricted fitting in the ½3 bearing Failure in a metter Of minutes.
¾Or± and yOu¿ll get ¶reMature clOsure
²O be
À
absOluteLy surÁ yOu¿re using
Of the bleed band at abOut 25 percent all thOse little dudes in the right place,
NÂ ²he bleed band may stay clOsed, eYebalL ¿emÃfOr reaL!
38
²he advantage Of fÄberglass panÁls
On
yOur
CObra
is
that
theyÅre
Ligh±weigh± and fairly strOng. When
±hey dO get busted, thO, the replaceÆ
ment cOsts are sky´highÇ
wing pOd fairings, ÈOr
example. ÉOu mOunt a LOt Of weapOns
subsystems Ên yOur Snake sO the pOqs
Befµre yOu CObra mechs mOunt a
90´degree gear bOx On yOur ºË-ÌS,
eyebalL the tech manual.
Ch 2 (ºug 78) tO ²Í 55´1520´236-
13 says yOu nOw use 1 thin steeL
washer, NSN 5310´00´167-0837, On
the mOunting studs. It replaces the
aluminum and steeL washers fOrmerly
used.
²hen, tO hOld that baÎy nice and
sÏug, reach ÈOr a tOrQue wrench and
tighten tÐe retaining nuts tO 160´190
lbs´in.
²he nOse fairing aLOne gOes fµr Over
$300Ñ ÉOur sup¶Or± has been reÒLacing
a lO± Of thOse babies,ÓLateLy.
J
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