Ransburg Aerobell (Std.) Rotary Atomizer A12381 - Manual (Page 66)

TROUBLESHOOTING GUIDE (Cont.)
General Problem Possible Causes Corrective Action
No Fluid Flow
(Cont.)
Continuous Fluid
Flow
Uncontrollable Fluid
Flow
Fluid and/or Air
Leakage Between
the Valve Module
and Mounting Man-
ifold
Fluid Leakage
Around Fluid Valve
4. Clogged fluid tube
5. Plugged bell cup
6. Worn bell cup splash plate
1. Flud valve open
2. Fluid valve seat damaged
or worn (MCV type)
1. Insufficient back pressure
to fluid regulator
2. Fluid regulator does not
control flow
1. Fittings loose
2. O-ring is missing
3. O-ring is damaged
1. Damaged o-ring(s) on
outer diameter of valve
body (MCV style)
2. Damaged or worn needle
seals inside valve assem-
bly.
3. Dirt or debris in valve
4. Remove and inspect fluid tube.
5. disassemble and clean.
6. Check splash plate for worn or missing teeth.
Replace.
1. a. Remove air pilot signal.
b. If still open, replace fluid valve.
2. Replace fluid valve seat.
1. Replace fluid tube with the next smaller inner
diameter size.
2. Disassemble fluid regulator and inspect for
failed components.
1. Tighten or replace.
2. Install o-ring.
3. Visually inspect for damage and replace.
1. Replace o-ring(s).
2. Replace valve assembly.
3. Remove debris. If damage to seat exists, re-
place valve and/or seat.
(Continued On Next Page)
Aerobell - Maintenance
62 LN-9264-08.2
Ransburg