Ransburg RMA Indirect A11600 - Manual (Page 76)

General Problem Possible Causes Corrective Action
Turbine Cannot At-
tain Desired Speed
Loss of Exterior/
Interior Cup Wash
or Lack of Flow
1. Excessive vibration
2. Low or no bearing air
3. Loss of fiber optic/no feed
back
1. Bent of kinked supply
tube
2. No fluid flow
3. Blocked fluid tip or exter-
nal nozzle.
4. Ferrules holding tubing
over-tightened.
1. 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 bal-
ance
2. 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
3. Damaged fiber optic sensor, bad cable, too
many splices. Maximum three (3) slices per-
mitted.
1. Replace.
2. Check microvalve, check fluid supply source.
3. Clean parts, remove obstruction.
4. Replace tubing and ferrule assembly.
Troubleshooting Guide (Cont.)
RMA-303 Indirect Charge - Maintenance
Ransburg
72 LN-9252-06.4