Alternator service manual page: rotor slip ring and brush check…

CHARGING SYSTEM Alternator _Rotor Slip Ring Check 1. 2. 3. Continuity test sup rmgs o No continuity Replace rotor. Insulation test Rotor core I Continuity exists Replace rotor. Check slip ring for wear, Slip ring minimum outer diameter: 32.4 mm (1.276 in) SELSESA SELsgaA Brush Check 1. Check smooth movement of brush. 0 Not smooth Check brush holder and clean. 2. Check brush for wear. Wear limit length: 7 mm (0.28 in) Brush wear Ilmitlng line SELBBBA 0 Less than the specified value Replace. 3. Check brush pig tail for damage. I Damaged Replace. 4. Check brush spring pressure. Measure brush spring pressure with brush pro- jected approximately 2 mm (0.08 in) from brush holder. Spring pressure: 3.040 - 4.217 N (310 - 430 g, 10.93 - 15.17 02) When brush is worn, pressure decreases approxi- mately 0.196 N (20 g, 0.71 oz) per 1 mm (0.04 in) wear. 2 mm [0.08 in! EEO c Not in the specified value Replace.