User Manual

TROUBLESHOOTING GUIDE (Cont.)
General Problem
Possible Causes
Corrective Action
Turbine Cannot
Attain Desired
Speed
1. Excessive vibration
2. Low or no bearing air
3. Flooded turbine with paint
or solvent.
1. a. Check bell cup for damage.
b. Check bell cup for excessive paint build-up.
c. Bell cup loose - tighten to proper torque.
d. Check cup and shaft tapers for cleanliness.
2. a. Check bearing air pressure (60 psi mini-
mum) (413.7 kPa).
b. Check lters for contamination.
c. Poor turbine air pressure - plant air.
e. Damaged speed control cards.
f. Increase turbine air supply tubing.
3. a. Ensure turbine speed and paint ow are in-
terlocked.
b. Add regulators down-stream of pumps for
paint and solvent.
Aerobell - Maintenance
63
LN-9264-08.2
Ransburg