Ransburg RMA Dual Purge Direct A12868 - Manual (Page 86)

RMA-303 Dual Purge Direct Charge - Maintenance
83 LN-9267-11.3
TROUBLESHOOTING GUIDE (Cont.)
General Problem Possible Causes Corrective Action
Turbine Cannot
Attain
1. Excessive vibration 1. a. Check bell cup for damage.
Desired Speed b. Check bell cup for excessive paint
buildup.
c. Bell cup loose - tighten to proper torque.
d. Poor turbine air pressure - plant air.
e. Have manufacturing check bell cup
balance.
2. Low or no bearing air 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. Loss of fiber optic/no feed 3. Damaged fiber optic sensor, bad cable,
back too many splices. Maximum three (3)
slices permitted.