TM 5-4320-302-145-19.ALTERNATOR (CONT)Location/ItemActionRemarks32. Columix andReplace if windings are gouged, broken, or discoloredrotorcolored or if units show misalinement or damage. Donot attempt to repair columix or rotor windings. If thereis a short or open circuit in the rotor windings, or if sliprings are shorted to each other or to any pole finger,replace the rotor. If any columix winding is shorted toany other or to the columix lamination, or if any windingshows an open circuit to its common lead, replacecolumix.33. RectifierReplace positive (+) or negative (-) rectifier diodediodes andassembly if any diode is defective. Replace suppressorsuppressorcondenser if zener diode is defective.condenser34. Voltage regulator/Replace voltage regulator/carbon brush holder ifcarbon brush holder,cracked, overheated, distorted, damaged or ifcarbon brushes, andcarbon brushes do not slide freely into holder.compression springsReplace if mechanically or electrically faulty.Replace carbon brushes if worn, cracked, or oilsoaked. Replace weak compression springs.35. Ball bearingsReplace if excessively worn, out-of-round, binding,(front and rear)or damaged.36. All otherReplace if excessively worn, cracked, distorted,componentsor otherwise damaged, or if threads are stripped.ASSEMBLY37. Ball bearingPress into drive bearing.(front)38. Cover platePosition cover plate and bearing seal spacer onand bearingdrive bearing. Install and tighten cover plateseal spacerscrews securely.5-73
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