PS Magazine - TB 43-PS-469

PS, The Preventative Maintenance Monthly

ISSUE 469

DECEMBER 1991
PS Magazine - TB 43-PS-469 - Page 5 of 43
Entrance poRts aRe usually ci±cled In
graY paInt and exhaust poRts In yeLlow
paInt.
Tak² ofF ³he poRt Caps (or unscRew
tHe sCRews) befoRe you stArt´ µ¶ you
don't open ³he eXhaust port, pRessuRe
could BuIld up ANd Blow tHIngs apARt
InsIde ·e Ins³RUmen³¸
Do not ¹ose tHe port Caps oR sCRewsº
»ou¼
II
need them aFteR ½haRgIng.
if
the
en³ranCe valve has a sCRew Instead o¶
a Cap¾ you¼ll need one of the adapteRs
In ³he puRgIng kIt¸ ¿se eIther 8-32
¿ÀÁÂ2ÃÄ
10Â24 ¿ÀÁÂÅÃ oR
±
0Æ3Ç
¿ÀÁÂ2ÃÈ
The Purge URge
tM
750-ÉÉ6 oR the VehÊcle oR InstRuË
Ment
±M
has the pÌrgIng
¶oRmula
ÍtHat¼s how much pRessure ÎOR how
long a tImeÏ FoR ·e InstRument you¼Re
woRkIng onÐ Ñpen the RegulatoR ValÒe
untÊL the rIght pRessuReÓneaRly alwaYs
FÊVÔ PSµÓshows on the low pressuRÕ
gaugÖÐ
ÑnCe the Ins³RUmen³ has puRged FOr
the RequIred t×me, shutoFF Øhe regulatoR
ValVe. Ùhen RÕplace the eXhaus³ poRt
Cap or sCRewÚ
-
DEC 91
low
p²s³´E
GaµGE
a 5 PS²
³
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