Miller Nitro 7380 - Product Pump Troubleshooting

8-TROUBLESHOOTING
Productpumptroubleshooting
Ifsprayingperformanceisunsatisfactory,checkthefollowingtroubleshootingguideforpossibleproblemsandsolu-
tions.
Symptom
Possiblecause
Correctiveaction
Pumpnotprimed.
Removetopmostventplugfrom
faceofpumpandrunpumptoexpel
trappedair.
Airleaksinsuctionline.
Checkandresealinletttings.
Blockedorcloggedlinestrainer.Inspectstrainerandclearanydebris
fromscreen.
Impellerplugged.Inspectandclearobstruction.
Cloggedorcollapsedhose(s).Replacehose(s).
Lowdischarge.
Eyeofimpellerrubbingonvolute.Removevolute(frontcover)and
inspecttheimpeller.Ifweardetected,
sandtheimpellereyeoutside
diameterwithemerycloth.
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