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Author: Subject: Buchi RE-121 drive unit
Basser
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[*] posted on 4-6-2019 at 11:28
Buchi RE-121 drive unit


Hi all,
I managed to get my hands on a nice RE-121 unit and would like to maintain and clean the drive unit thoroughly. However while trying to open the hub unit I got stuck. Even with the manual at hand I'm stuck when trying to remove the front plate (10049) and get acces to the interior. Any help welcome!

IMG_1767.jpg - 72kBIMG_1770.jpg - 63kBRE-121 explosion drawing.png - 643kB
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Sulaiman
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[*] posted on 4-6-2019 at 12:05
just guessing ...


unscrew (4x) 10137
and unscrew (1x) 00631 ?

00631 could be threadlocked or held by 00568
in which case the helical/worm drive would have to be removed
by unscrewing (2x) 18738,
to allow the front plate assembly with 11140 to be removed

[Edited on 4-6-2019 by Sulaiman]




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Corrosive Joeseph
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[*] posted on 4-6-2019 at 13:43


Quote: Originally posted by Sulaiman  
unscrew (4x) 10137
and unscrew (1x) 00631 ?
[Edited on 4-6-2019 by Sulaiman]



^^^ What he said......... It has been a long time since I had one of these apart, but IIRC, 00631 is a push in rubber seal.
Once the four screws come out, the plate should come off.

[EDIT] - I have a vague recollection of being very afraid and overly cautious, and of removing the motor first before accessing the internals behind the plate...... In hindsight, I'm not sure if I needed too, but it made the whole surgery easier and less stressful.



/CJ


[Edited on 5-6-2019 by Corrosive Joeseph]




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Basser
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[*] posted on 13-6-2019 at 06:12


hey guys, thanks for the reply. Did all the suggested as an educated guess, but without succes. The plate only slightly moves (rotationally) within the 18722 housing after removing all screws, rubbers etc, but in no way moves outward (as in the pic). I thought there might be a trick to unlocking it. Ill keep trying...Cheers, Bas

[Edited on 13-6-2019 by Basser]

[Edited on 13-6-2019 by Basser]
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