PS Magazine - APRIL 1979
PS, The Preventative Maintenance Monthly
ISSUE 317
APRIL 1979
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Purging every 90 daYs helps get THe moist AiR OUt of YoUR fIRe cONtrol
inSTr±Ment and ²reve³Ts f±ng±S FrOm growing insiDe THe instr±MenT.
CHarging Hel²S keEp MOiST a´r OuT in tHe first ²laceµ
\
t
¶He qui²MenT yo± need is liSTed in
·C 4931-95¸CL¹]54 G±º 75) anD tHe
WaY TO ²±Rge MOsT »ire cO¼trOl
inSTr±Me³Ts is cOvered in ½¾ 750-116
(¿cT 71),À and in THe instr±mÁnT
TecHnical Ma³ualSÂ
¿rder THe cOm²lete puRging kit
wiTÃ Ä·Ä 4931-00-065-1110Å
-10·±0²³´LµT
'f
lA¶\FJ"¸¹tº
»ea
.,
4•¼7
Purging kit
Æn aDdiTiOn TO YOur p±rge kit yoÇ
need a ÈYlinder O» tecHnicAl nitRogen,
Ä·Ä 6830-00-782-2641µ ½He cYlinder
2
Technical nitroGen
NSN 6830-00±782-2641
V±
PÉrgi³g ÊËÌl Íot clÎar WaTer OuT O» a »ire cO³TrOl i³STr±Me³T i» THe ÏOiST±rÐ
HaS »OrMed drO²SÂ Æ» yOur »ire cOnTrOÑ i³STr±Me³T iS WaTerlOggedÒ Se³d iT TO
S±²²OrT »Or TeardÓÔ³µ
Õ
wR
(±!:²³´
bOdY SHOuld be ²AiNted grAY witH 2
black bandSµ ÖOWeVer, a lot Of ²osts
are getTing cOmMerciallY refilleD tank×
and insTead of 2 black Bands tHeY
MigHt HaVe One black BaÍDØ nO BanDs
At all Or even 3 bandsµ
ÙefOre yOu
Ú
accepT a nitrogen
cylindeR »Or ²urging, lOOk carefUllY at
tHÛ Valveµ ½ake iT Only i» THe valVe is A
3
CÜÝ 580 SerieS and Has rigHT-HÞßà
inTernal THreadSµ Æ» iT Has exTernal
RIght Hand
Internal
threads
onLy
THreads On THe Valvá, iT SHOÇld nOT be
±Sed
»âr ã±rgingµ
Ýccept
cyliÍderS witH 2 black bandsµ
Accep²
only
wItH 2
black
bands
only
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