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Home >> BMW >> 1971 >> 3.0CS Automatic Trans >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternators - BOSCH >> Overhaul >> Testing & Repairing >> Diode Replacement
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Diode Replacement

  1. On all except 0 120 400 600 series alternators, set diode plate on press die and force diodes out with plunger. Place diode plate (without diodes) onto suitable guide pilot (EFLJ 57/0/5) and set diode seat with suitable sleeve (EFLJ 57/0/3). Smear silicone oil on diode seat, place diode plate on press die and press diodes into position. After pressing in, test all diodes.
  2. On 0 120 400 600 series alternators, set slip ring end frame on press die and force out defective diode. Coat diode seat with silicone oil and press in new diode. Test all diodes after replacement.
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