PS Magazine - NOVEMBER 1975
PS, The Preventative Maintenance Monthly
ISSUE 276
NOVEMBER 1975
ARE YOUR SIGHTS iN A FOg?
YOU NEED-
'1
,±
RGINg
You'lL fike purging your Fire controL
equipment with nitrogen. It±s a reaL
gas.
So, Listen up, you organizationa²³
maintenance mechanics.
TM 750-116 (OCt 71) teLLs you to
purge aNd charge· your Fire controL
items eveRy 90 days or when condensa´
tion is evideNt in your iNstruments.
SuppLy
µataLog
4931¶95¸µ¹¸]54
(May 75) lists comPlete purging sets
and parts, and it and the TM spell out
who gets ±em.
ºt»s Necessary, too. ¼F the Fire control
instrumeNts are FulL oF Fog, dirt or
Fungus, you can±½: use them
¾
i¿ tHe Àast,
accurate
way that gives First¸rÁund
Âhits.
Moisture
in
tHe
Fire
control
causes corrosion wHich screws uà ÄHe
cLose toLerances oF Ähe equipment.
µareless use oF high¸pressuÅe water
Hoses
is
Ähe
worst
enemy
oÀ Fire
controL equipmentÆ Çeglect oF purgÈ
ing is the next worst tHingÉ
Even aFter you get ÄHe urge to purge,
you±ll need general knowÊHow and
speciÀic knowledgeË
The general know¸how comes witH
experience, but tHis article may Help
you.
THe speciÀic word on purging all
type oF equipmenÄ is in TM 750Ê116.
This TM shows location oF entrance
and exhaust porÄs and gives you ÄHe
Formula in pressure and time For botH
purging and charging every type oF
equi
p
menÄÉ THe ¸10 and ¸20 TM±s For
your weapon or veHicle Have some
purging
dope, but TM 750¸116 is
sHarper.
WHen you want to purge, line up
Ì
\
your goodies and give tHem tHe hairy
eyebalLÉ ºs everytHing tHere and in
good working order?
17
·
±
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