PS Magazine - NOVEMBER 1975
PS, The Preventative Maintenance Monthly
ISSUE 276
NOVEMBER 1975
I
i
HERe Ar± Thf ONLY
3 ²³GUlato´S yµu
¶s· F¸¹ Pº»gIn¼
½¾D C¿ÀÁÂiÃÄ,
First off, look at your nitrogen tank.
It'Ll be painted gray w±th
2
black bands²
(³f it's not´ stoP right thereµ
You've
got the wrong tank¶)
Take the protective coveR off.
This can be eitHeR a small PLug
scRewed in±o the tank valve outlet
or a dome scRewed over tHe ±He
neck of tHe tank. QuiCkly flick tHe
±ank valve open and sHu±² THis will
bLow any dust or wa±e³ away from
±He vaLve seat or i± will let you know
±He ±ank is emPty² If you smelL
anyth´ng you're ´n ±RouBLe because
ni±rogen Has no smeLlµ
The newest regulator
and the onLy one
NSN
4
820-00±001-
7749
now being maDe for
·
stock. Needs no extra
fIttIngs² R³ght´hand
thread.
The Most common
NSN 6685-00µ7
2
4
´9744
one i¶ ·he sUpply
system now¸ ¹eFtµ
hanD threadº
Has a ci»cU¼a»
NSN
4931-00-558-0922 pressUre relIef²
¹ef·´ha¶d threaD½
¶EMOVE
·¶OTE¸TIVE
•
¸OVE¶
FLICK TANK
V
A
¹º» ¼·EN
AND
S½U¾
QU¿ÀKÁY
Âse
coRÃect
size
opeÄ-end
wRencHes ±o put tHe paRts of ±he seÅ
±ogetHeR² ÆouÇll need 11/16, "9/16
and 5/8 wRencHes.
Mount ±he regulator oÄ ±He ±aÄk
us´ng the f´±±ings needed ÈoR ±he
PaRtiÉÊlaR k´nd Ëf ReguÌa±o
;
R
Í
y
Î
o
:
Ê
_.:±;
=²³´-µ
.±²³´ µ¶-·¸_
Have.
ÏOW ·¶ÐSS¶РGAÑE
'¶·¸¹º»¼½¾¿ÀÁÂ
ÒLose
tHe PRessÊre RegÊlatoR
valve by moving ±He HandLe to the
±
LeftÓ counteRÔcLockwise.
Th±s ±s
oppos±te to the way you nor•
malLy close a valve.
(Õe ÉaRefÊÌ
because you caÄ really mess ÊÖ a
vaÌve sea± by tuRning ±he Handle tHe
wRong way.)
Slowly open the taÄk valve until
tHe
High×pressÊRe
gage
Äeedle
stops moviÄg forward² ¿t is now
reØis±Ùring (outeÚ Ring) the ·SI of
±he
gas
within
±he
cylindeRÛ
·ressure must be over 100 ·SI oR
yoÊ canÇt do a good job of PÊRgiÄܲ
(If ±He PRessuRe is down, get Ý new
cyÌiÄder from sÊpPly²) If gas is
escaPing at ±He end of the Hose, ´t
means the diÝPhRagm ´s bRoken oÄ
yoÊR PRessure regÊÌator vaÌve. Ñet
a new Regulator becaÊse ÞoÊ caÄÇt
contRoL
puRgiÄg/chargiÄg
w´th
a
leaßiÄg
Slowly
open
youR
pRessuReà
reguÌatoR
vaÌve á until
the
lowà
pâessÊRe×RegulatoR valve until the
low×pRessÊRe gage RegisteRs ã0 ·Sä
and tHen cLose the vaÌve Right away²
(TH´s looks like a waste of nitRågeÄ
but it cÌeaRs wateR, dus±, sPideRsæ
etc., oÊt of yoÊr hose ´nstead of
blowing tHem içto yoÊR fiRe coÄtRol
instrÊmen±.)
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