Model h6330 21⁄4 gallon paint tank-10-
tank troubleshooting

symptom possible cause solution

Air escaping from
regulator port.
1. Broken or damaged dia-
phragm in tank regulator.
1. replace tank regulator.
pressure dropping
slowly on regulator.
1. dirty or worn valve seat in
regulator.
2. loose air ttings leaking air.
1. replace tank regulator.
2. tighten loose air ttings or
remove and re-install with
new pipe thread tape.
Fluid or air leak at
lid gasket.
1. defective lid gasket.
2. Wing screw loose.
3. dirt or foreign object between
gasket and rim.
1. replace lid gasket.
2. tighten wing screws
evenly.
3. Clean rim and gasket.
paint tends to settle
rapidly in tank.
1. paint not mixed or thinned suf-
ciently.
1. Mix or thin paint according
to manufacturer's instruc-
tions.
gauge not register-
ing air pressure.
1. Air pressure turned OFF.
2. defective pressure gauge.
1. turn air pressure ON.
2. replace pressure gauge.
safety valve pop-
ping out.
1. tank pressure too high.
2. defective safety valve.
1. reduce tank pressure to
25-30 psi (see page 7).
2. replace safety valve.