PS Magazine - TB 43-PS-467
PS, The Preventative Maintenance Monthly
ISSUE 467
OCTOBER 1991
1
J
(
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±²,³
OT91
W
hen you put
RTV
silicone sealant oN avioNIc
Eu±Pment, never Use sealaNts that releas² acet±c acid
dUr³ng cUrIng.
Wh²N those sealaNts come iN conTact wi´h metalµ
´hey cause Rap±d corros±on¶ So· never use them on
electRonic or eLec¸Ical c±rcu±ts¶
Most of ´he time you can identiFy those seaLants
w±th your nose¶ SealanTs w³th acetic acid give
oFF a
´inear oOR
while they
a
L±qu±d or
cur¹ngº
±02
²03
²³
²08
²´
±²2
±±6
±±8
»He on¼y
RtV
s²a½ants aPP¾oved ¿Or
ai¾craFt conFo¾m to MÀÁ-AÂ414
sÃcI¿ÄcatIoNsÅ
Some adÆesives and sealants
±40
236
784
3±44
µ2.µ
90
±42
7¶
785
20-046
µ2·²0
§3
²54
73²
8µ±
20¸78
µ2¸±8
µ¹005
º56
732
'±²
30»07µ
µ2-024
µ6-080
±57
733
±¼2
3½±2±
µ2¾8
¿8²
²5µ
7
²¼3
˵2
µ4-055
³´
²µ2
780
²508
µ2Á5
˵2
Â4-28±7
±µ8
78±
±8Ã
µ2-Ä7
µ4ÅÆ3
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