Ransburg MMA-570 Direct_Ind Charge Atomizer A13366 - Manual (Page 82)

TROUBLESHOOTING GUIDE - DIRECT CHARGE
(Cont.)
Atomizer mounting ring is loose
O-ring is missing
O-ring is damaged
O-ring is damaged
Fluid tubing not properly installed
or tightened.
Damaged o-ring(s) on outer
diameter of valve body
Damaged or worn needle
seals inside valve assembly
Excessive vibration
Low or no bearing air
Loss of fiber optic/no feed
back
Bent of kinked supply tube
No fluid flow
Blocked fluid tip or external
nozzle.
Ferrules holding tubing over
-tightened.
Tighten mounting ring.
Install O-ring.
Visually inspect for damage and replace.
Replace O-ring.
Inspect and retighten.
Replace o-ring(s).
Replace valve assembly.
a. Check bell cup for damage
b. Check bell cup for excessive paint buildup
c. Bell cup loose - tighten to proper torque
d. Check cup and shaft tapers for cleanliness
e. Have manufacturing check bell cup balance
a. Check bearing air pressure (minimum 80
psi) (352 kPa)
b. Check filters for contamination
c. Check for bent or damaged bearing air line
d. Poor turbine air pressure - plant air
e. Damaged speed control cards
Damaged fiber optic sensor, bad cable, too
many splices. Maximum three (3) slices
per-mitted.
Replace.
Check microvalve, check fluid supply source.
Clean parts, remove obstruction.
Replace tubing and ferrule assembly.
General Problem Possible Cause Solution
Fluid and/or Air
Leakage Between
the Robot and Bell
Manifold Plates
Fluid Leakage In
Fluid Manifold or
Bell Plate
Fluid Leakage
Around Fluid Valve
Turbine Cannot
Attain Desired
Speed
Loss of Exterior/
Interior Cup Wash
or Lack of Flow
MMA-570 Direct/Indirect Charge - Maintenance
Ransburg
LN-9279-13 79