Advertise on Bikeforums.net



User Tag List

Results 1 to 5 of 5
  1. #1
    Senior Member cheg's Avatar
    Join Date
    Sep 2004
    Location
    Seattle
    My Bikes
    1974 Raleigh International (RIP), 1975 Raleigh Twenty Folder, 1983 Diamondback Ridgerunner, 2008 Davidson Custom Titanium, Burley Duet Tandem, 1981 Shogun Touring Bike
    Posts
    798
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    E-Werk disassembly

    Does anyone know how to non-destructively open the case on a Busch & Muller E-Werk charger? Mine has a very irritating rattle inside.

    It appears that the screw on the bottom just holds the mounting bracket on.

  2. #2
    Senior Member cheg's Avatar
    Join Date
    Sep 2004
    Location
    Seattle
    My Bikes
    1974 Raleigh International (RIP), 1975 Raleigh Twenty Folder, 1983 Diamondback Ridgerunner, 2008 Davidson Custom Titanium, Burley Duet Tandem, 1981 Shogun Touring Bike
    Posts
    798
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by cheg View Post
    Does anyone know how to non-destructively open the case on a Busch & Muller E-Werk charger? Mine has a very irritating rattle inside.

    It appears that the screw on the bottom just holds the mounting bracket on.
    In case anyone was curious:

    The rattle eventually caused a total failure of the unit. I opened it by squeezing the sides of the case in a vice. I appears to be glued shut but the case did not crack, it separated at the glue line.



    The rattle was the large iron core inductor bouncing around because one of the rubber spacers was omitted at the factory. The magnet wire that broke has varnish insulation that has to be removed by scraping or heating before it can be soldered. The wire was soldered back to the board and the device works fine now. I used a silicon sealant/adhesive to rebond the case.

    Moral: if your e-werk is rattling it will probably fail eventually.

  3. #3
    Flandrien
    Join Date
    Jan 2007
    Location
    Geneva, Switzerland
    Posts
    81
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Any pictures from the other side of the circuit?

  4. #4
    Senior Member cheg's Avatar
    Join Date
    Sep 2004
    Location
    Seattle
    My Bikes
    1974 Raleigh International (RIP), 1975 Raleigh Twenty Folder, 1983 Diamondback Ridgerunner, 2008 Davidson Custom Titanium, Burley Duet Tandem, 1981 Shogun Touring Bike
    Posts
    798
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by carrefour View Post
    Any pictures from the other side of the circuit?
    No, just the top.
    Last edited by cheg; 02-17-11 at 11:06 PM.

  5. #5
    Flandrien
    Join Date
    Jan 2007
    Location
    Geneva, Switzerland
    Posts
    81
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Bad luck for me. I'm just very curious to see how complex or simple the circuit is.
    Good you managed to repair it yourself. If ever you have to open it up again, plse think of me ;-)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •