TM 5-4320-302-145-19.ALTERNATOR (CONT)Location/ItemActionRemarks29. Carbon brushesInspect voltage regulator/carbon brush holder forand voltagecracks, signs of overheating and distortion. Inspectregulator/carbonbrushes for cracks, oil saturation, and wear. If brushesbrush holderare worn, oil soaked, or cracked, replace the entireassembly. Depress brushes in brush holders. Brushesshould slide freely in brush holders. Replacecompression springs if they are weak. Check thatcontinuity exists between each brush and its respectivelead wire. If assembly is electrically faulty, replace it.REPAIR/REPLACEMENT30. TerminalReplace if cracked, separated, or broken, or ifassembliesthreads are stripped.WARNINGDry cleaning solvent is flammable and potentiallydangerous to people and property. Do not use nearopen flame, sparks, excessive heat, or on hotsurfaces. Flash point of P-D-680 solvent is 100° to138°F (38° to 59°C). Use solvent in a well-ventilatedarea, and avoid inhaling fumes. If repeatedlyexposed to fumes, seek fresh air and immediatemedical help. Avoid prolonged exposure of skin tosolvent. Wash exposed skin immediately andthoroughly.Death or severe injury might result whencompressed air is used to blow dirt from skin orclothing. Air entering body openings is extremelydangerous. Compressed air used for cleaning shallnot exceed 100 psi (690 kPa). Use goggles or faceshield for eye protection. Do not direct airstreamagainst skin.31. Drive bearingReplace if severely distorted, worn, or damaged. Repairand bearingany minor nicks or burrs with MIL-S-17243 surfacingsupportstone. Reclean with P-D-680 solvent and dry withcompressed air. Remove any rust or corrosion andrefinish in accordance with MIL-T-704.5-72
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