Alternator Slip Ring Repair

The meter should read very low resistance on a good rotor coil.

Alternator slip ring repair.

The brush type rotor is the rotating member inside the alternator. They used krytox new to deal with the heat and high rpm. With an ohmmeter on its lowest scale test across the 2 slip rings for continuity. Slip rings at the rear of the rotor are connected to each end of the rotor coil.

I found a repair rebuild guide for the cs130 alternator. Page 5 contains the following. New valeo alternator slip ring brushes repair rebuild kit 599102 bmw. Spin the rotor and hold the polishing cloth against the slip rings until they are clean.

Alternator rebuild kit for 1987 1991 volvo 740 1988 1990 760 1989 1991 780 1991 940. It is sold in 2oz tubes. Rotor slip ring for ford 3g series alternators. Test for continuity between the slip rings and the.

Slip ring repair consists of soldering on a repair ring and then truing on a lathe. Should be soldered to the coil with a high temperature solder. The armature rotates on two bearings at either end of the armature the brushes rub on what is called the commutator also referred to as the slip rings when replacing the brushes some wear is often noted on the copper slip rings however cleaning them up a little with very fine emery paper is usaully all thats needed to get another 80k miles from your alternator at the point when the copper finaly wears out on the slip rings 500k plus on my dodge and two sets of brushes later the slip rings. The slip ring is where the brushes ride and allow power to flow into the rotor coil.

Home technical alternator options replacement alternator options with rebuild parts list denso type replacement alternator repair alternator for 2008 2010 borrego 3 8l 2008 2010 sedona 3 8l with rear dvd 11387 alternator rotor slip ring for hairpin denso alternators 5 8mm id x 14 36mm od 7190904b. I found a better way to repair this alternator so i used a pencil eraser with fine emery a rag now it s shiny like new but i think the middle contact may need machining as it has a deep. Details about new valeo alternator slip ring brushes repair rebuild kit 599102 bmw. Slip ring servicing it the slip rings are dirty they may be cleaned and finished with 400 grain or finer polishing cloth.