Troubleshooting Chart - Campbell Hausfeld AT122700 Manual De Instrucciones Y Lista De Piezas

Operating Instructions and Parts Manual

Troubleshooting Chart

Symptom
Low or no air pressure
Material not blasting from
gun
Gun will not shut off - trigger
stuck
Sputtering - low vacuum
Sputtering - air/abrasive leaks
at nozzle/jet area
Sputtering - vacuum leak
Sputtering - particle clogging
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possible Cause(s)
1 . Regulator set incorrectly
2 . Pinched hose
3 . Dirty compressor filter
1 . Clogged material hose
2 . Buildup around jet
3 . Damp or heavy material
4 . Water in air supply
Damaged o-rings in air valve
1 . Worn jet and/or nozzle
2 . Abrasive buildup around jet/nozzle
1 . Loose nozzle or jet
2 . Damaged o-ring
1 . Loose material hose
2 . Damaged o-ring
Hose connector hole is covered
Corrective action
1 . Reset regulator
2 . Straighten hose
3 . Clean or replace filter
1 . Lower the pressure below 40 psi . Firmly
hold the gun tip flat against the ground
and pull the trigger to force the material
back out of the material hose
2 . Remove nozzle and clean around jet
3 . Replace with dry abrasive . (Damp material
can be dried and reused)
4 . Drain air tank and install air filter, See
"Moisture in Compressed Air" box
Remove and replace o-rings
1 . Replace jet and/or nozzle
2 . Remove nozzle and jet and clean . Make
sure the threads are clean before re-
assembling
1 . Tighten nozzle or jet
2 . Replace o-ring
1 . Tighten material hose
2 . Replace o-ring
Uncover hose connector hole
6