PS Magazine - FEBRUARY 1978
PS, The Preventative Maintenance Monthly
ISSUE 303
FEBRUARY 1978
For freezing
±
ther, Cobra mechs, eyebalL the right-hand gunner's window
frame. YOu coUld save ±ncle a bUndLe²
Focus on the lower forward corner² If you find the bottom screw missing³
good! Do n´t replace the screw² If thereµs one there, take it out²
It seems that after appLication of MW¶
55-1520-221-30-39,
pr·viding for
the expLosive type of emergency canopy removaL, The window frame can leak.
¸his comes about because
2
sLots in the right side of the center window frame
had t0 be sealed when the
.
,
J
-l
±:
__
.±²_
WATER ROUtE
pilot's door jettison cabLes
/7
·'
-±
IS INSIDE
were removed²
,/
TUBULAR FRAME
When the seaL leaks, water
¹
:
²
(
º
runs down inside the frame
²³
and becomes trapped in
´!
»he lower part of The
³´·
frame²
µ¶
{
screw²
±se a piece of stiff wire to UncLog
tHe screw hoLe, which wiLl give you
good water drainage¼
Spare The
¸he slim nut that holds the bearing
in place has only a few threads² So,
when a mech "guesses½ the
60³85
LBs¾
in Torque and
¿
doesn't use a Rorque
¸¹º»¼
wreNch
oN the socket there is a gooÀ
ANÁmech worth his salt woN'T work
chance of stripping the nutÂ
on
aircraft
without
Using
Torque
Even
worse,
an
overtorqUe
wreNches on alL hardware²
stretches
the
threads on
the pitch
Ãe
knows
that
Äovertightening
change rod so both paÅts have to be
hardware iN the
Æ
LoÇ torque raNge is a
repLaced² ¸hat's No way to get a bird
proBLem² ÈT's hard to use too much
back in the blue on scheduLe²
muscle iN the high torQue ranges²
'Course,
you
woULdn't puLL a boner
ÉoÊËÌÍiN oN the ÃUey
TaiL roTor
iNÌÎaLÏaTÐoNÑ Òor exampÏe²
Like ThatÓ Ôight?
Õ Öot wheN The TorqUe wreNches are
onLÁ a few
×
steps away in the tooL cribØ!
´7
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