Operation
19.Opentheabrasiveballvalve.
NOTE: NOTE:
NOTE:
Makesurethepotpressurereturnstothe
initialsetting(itwillnotreturntotheinitialsetting
iftheabrasivemeteringvalveisclosed).
20.Engagetheblastcontrolswitchandbegin
blasting.
NOTE: NOTE:
NOTE:
Youmayhavetowait1–2minutesforthe
abrasivematerialtoreachthenozzle.
NOTE: NOTE:
NOTE:
Potpressureandblastpressureshould
equalizeduringblasting.Onlysetpotpressure
withtheabrasiveballvalveclosed.Neveradjust
potpressurewhileblasting.
21.Slowlyadjusttheabrasivemeteringvalvewhile
theabrasiveisblastingfromthenozzle.Typical
adjustmentrangesfrom1/8to1/4turnopen.
NOTE: NOTE:
NOTE:
TheDataTrakcanbeusedtoassistin
settingthepumpcyclerate.Optimalabrasive
mediaconsumptiontypicallyoccurswiththe
cycleratesetat7–10cyclesperminute.
NOTE: NOTE:
NOTE:
Useapieceoftestmaterialsimilarto
whatyouwillbeblasting.
NOTE: NOTE:
NOTE:
Alwaysstartasgentlyaspossibleand
thenincreasetheblastforceasnecessaryto
cleanwithoutdoinganydamagetothesubstrate.
Whenproperlyset,thepumpshouldcycle7-10
timesperminute.Highproductionrateusers
mayneedtoincreasecyclerateabove10cycles
perminute.
NOTE: NOTE:
NOTE:
Closetheabrasiveballvalvewhenever
youstopblastingformorethan20-30minutes.
Thiswillhelptoextendtheservicelifeofthe
diaphragmvalve.
14
334666C
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