Ransburg Aerobell (Std.) Rotary Atomizer A12381 - Manual (Page 67)

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 filters 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 flow are in-
terlocked.
b. Add regulators down-stream of pumps for
paint and solvent.
Aerobell - Maintenance
63 LN-9264-08.2
Ransburg