PressureReliefProcedure
Pressure Pressure
PressureRelief Relief
ReliefProcedure Procedure
Procedure
FollowthePressureReliefProcedure
wheneveryouseethissymbol.
Thisequipmentstayspressurizeduntilpressure
ismanuallyrelieved.Tohelppreventserious
injuryfrompressurizeduid,suchassplashing
uid,followthePressureReliefProcedurewhen
instructed.
1.Turnthepotpressureregulator(PR)off.
2.Closetheabrasiveballvalve.
3.Turnthecompressoroffandclosetheinlet
ballvalve.Closethecompressorsupplyair
valve.Engagetheblastcontrolswitchtorelieve
pressureinthesystem.Thendisconnecttheair
inlethosefromthesystem.
4.Turntheselectorvalve(SL)toFILL.
5.Openthedumpvalve.
6.Verifythatthepotpressuregauge(PG)displays
zeropressure.
8 334667B