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− − 14 15 16 Rotor Slip Ring Test Alternator Reassembly 4-52 Charging System Alternator Overhaul (cont’d) B A C A B A B C D 16. Check for continuity between the slip rings (A). • If there is continuity, go to step 17. assembly. 17. Check for continuity between each slip ring (A) and the rotor (B) and the rotor shaft (C). • If there is no continuity, replace the rear housing assembly, go to step 18. • If there is continuity, replace the rotor assembly. 18. If you removed the pulley, put the rotor in the drive- end housing, then tighten its locknut to 111 N·m 19. Remove any grease or oil from the slip rings. 20. Push the brushes (A) in, then insert a pin or drill bit (B) (about 1.8 mm (0.77 in.) diameter) to hold them 21. Heat the rear bearing seat with a 1,000 W hair drier for about 5 minutes (129 140 °F, 50 60 °C). 22. Put the rear housing assembly (A) and drive-end housing/rotor assembly (B) together, tighten the 23. After assembling the alternator, turn the pulley by hand to make sure the rotor rotates smoothly and 24. Install the alternator and drive belt (see page 4-46). |