DSCI0378.JPG New 9-Diode RectifierDSCI0377.JPG New Rectifier Soldered to the StatorDSCI0379.JPGOld Slip Ring removed from rotor
DSCI0382.JPG New Slip Ring installed and soldered in to Rotor windings.
New SKF Bearings Front and Back--same as in this post..
https://www.bimmerforums.com/forum/s...earing-Refresh
Randy
Last edited by 320iAman; 12-15-2018 at 04:10 PM.
DSCI0383.JPG Alternator Back side--new noise suppressor and Voltage Regulator DSCI0384.JPG Front SideDSCI0385.JPG Slip Rings 17mm ID x 28 mm OD with brushes---
7 of them for less than the price of 3... .......Anyone doing this and needs a New Slip Ring--I have a few to sell. New Bushings are ordered and going to be installed to boot..
New top and bottom Bushings installed-Polyurethane
DSCI0386.JPG DSCI0387.JPG
Ordered a new solid pulley for this one to cap off the alternator rebuild, pictures later, the pulley hole diameter matches the rotor shaft diameter, had a choice of bigger/smaller pulley.
Randy
Last edited by 320iAman; 12-31-2018 at 10:27 AM.
This 65A Alternator is done and ready for service, exchanged the BMW pulley from the 80 A alternator with this one, New Paint on EF as well.
DSCI0388.JPG
Randy
Just came back from Alternator test,, 1st test failed 11.1V output,, took out the new Aborn Voltage Regulator and put in new Huco Voltage Regulator-Made in Germany-all signs points to good--
The machine testing the Alternator was coded for 1980 BMW E21 320i - Alternator
Print out on Test Results:
Lamp/Diode Trio: Passed
Regulator Test: Passed
Rectifier Test: Passed
Battery Volts- Low 13.5,Actual -14.64, High 15.4
Ripple Volts Low -0, Actual -.33, High 1.25
Jump On Volts Low-0,Actual 1.51, High 8.00
Jump Off Volts- 13.00 , Actual 14.61, High -0
This alternator has tested good and will function properly in the vehicle.
Just retested at place where 11.1V showed up with Huco VR
Lamp / Diode Trio Passed
Regulator Test Passed
Rectifier Test Passed
Rated Amps: 65
Alternator is Good
DSCI0392.JPG DSCI0393.JPG
Randy
Last edited by 320iAman; 01-14-2019 at 06:05 PM.
Update this is now installed and running very well,all signs point to good, The 100 A alternator is out to refresh its bearings and bushes and so forth.
Randy
Last edited by 320iAman; 03-29-2019 at 11:53 AM.
Randy you always do great write ups pictures and explanations. Need a wiki or something with all of your posts and info. Keep up the good work!
'81 E21 320i / '90 E30 325i / '̶9̶2̶ ̶E̶3̶4̶ ̶5̶2̶5̶i̶t (sold) / '15 Toyota XW30 / '̶̶8̶0̶ ̶E̶2̶1̶ ̶3̶2̶0̶i̶A̶ (sold)
Thanks, this one is running is good, Voltage is around 14.6 V, just tested it again, The rectifier plate with 9 diodes, I paid like $20.00 with free shipping.
Randy
Last edited by 320iAman; 04-04-2019 at 10:23 AM.
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