PS Magazine - TB 43-PS-439
PS, The Preventative Maintenance Monthly
ISSUE 439
JUNE 1989
M548 Cargo CarRiers .
.±
4
JUN 89
f
u wouldn't leave the coveR ofF
you² FavoRite compact discs during
a raInstor³, so it doesn't make much
sense to leave oFF the top coveR oF
the M90 radar chronograph's carry-
ing case e´Ther±
µacT is, though, qu´Te a Few carRY-
´ng cases are being treated That way
¶and the real damage shows up in
the chRonograph.
I
ext th´ng you know, the M90 is
shot, all because The case cove·was
leFt open ´n the rain¸
Use your heads, gun crews. CLose
the cove¹ t´ght eveRY ti³e yoº use
the M90.
JUN 89
T
he
rubber cushion´ng ´n the case
soaks up the water. »hen an unsus-
pect´ng sold´eR stores The M90 ´n the
wet case. Mo´sTurE
¼
causes the pa´nt
to bubble and peeL, le½ing corRos´on
go to worK.
Moisture also loosens the sealeR
holdIng the cover on The back oF the
antenna bracket asse¾bly, which
causes sho¿ circu´Ts in the elecÀ
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