Troubleshooting

Troubleshooting Troubleshooting

Troubleshooting

Problem Problem
ProblemCause Cause
CauseSolution Solution
Solution
Theairsupplyisinadequate.Makesuretheairinletpressuregauge
reads100-125psi.Ifthegaugedoes
notread100–125psi,checktheair
compressorforpropersetup.
TheEmergencyStopisengaged.DisengagetheEmergencyStop.
Inadequatewatersupplytothe
pump.
Makesurethewatertankisfullandthe
inletballvalveisopen.
Thepotpressureregulatorisset
toolow.
Increasethesettingonpotpressure
regulator.
Thepotbungcannotsealproperly.Cleanallabrasivefromthebungand
seal.Makesurethebungspringislifting
andthebungisrmlyagainsttheseal.If
cleaningdoesnotsolveissue,replace
bungseal.
TheAuto-Ventvalvewillnotseal.SeeCleaningtheAuto-VentValve,page
31.
Thepotpressurereliefvalveis
dischargingwater.
Decreasethepotpressureto145psi
(10.3bar,1.03MPa)orless.Ifthevalve
weepsorrelievesat145psi,replace
valve(Kit17D785).
Thepotorpumpisleaking
pressure.
Makesuretheabrasiveballvalveandthe
dumpvalveareclosed.Ifpotpressure
gaugestillcreepsdownward.See
CheckingforLeaks,page26.
Thepotwillnotproperly
pressurize.
Thepotpressureregulatoris
malfunctioning.
Replacethepotpressureregulator
assembly(17C132).
Theairsupplyisinadequate.Makesuretheairinletpressuregauge
reads100-125psi.Ifthegaugedoes
notread100–125psi,checktheair
compressorforpropersetup.
Themainairregulatoris
malfunctioning.
SeeRepairingtheMainAirRegulator,
page28(EQ600–Kit17C131,EQ300
–Kit17C129).
Theblastpressurewillnot
reachthedesiredsetpoint.
Theblastairregulatoris
malfunctioning.
Replacetheblastairregulator(Kit
17C625).
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334667B