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Offline mb300e4m  
#1 Posted : 17 October 2021 01:10:08(UTC)
mb300e4m


Joined: 07/06/2013(UTC)
Posts: 419
Location: Florida
Hi all, I have a 3663 set and one of the motors is no longer functional. I have removed the offending A unit body but have not yet proceeded any further. Is the wiring harness between the A and B units hardwired? I have not yet removed the B unit body.

Regards to all and stay safe.

DSC00184.JPG
Peter B.
In Sunny Florida most of the time.
Marklin, Trix Express, Trix Twin, Fleischmann, Liliput, Hornby Dublo, and Others, 2 & 3 Rail, AC, DC and Digital, Course Scale Wheels & Fine, 1935 to 1960s usually.
Offline mb300e4m  
#2 Posted : 17 October 2021 01:53:18(UTC)
mb300e4m


Joined: 07/06/2013(UTC)
Posts: 419
Location: Florida
Originally Posted by: mb300e4m Go to Quoted Post
Hi all, I have a 3663 set and one of the motors is no longer functional. I have removed the offending A unit body but have not yet proceeded any further. Is the wiring harness between the A and B units hardwired? I have not yet removed the B unit body.

Regards to all and stay safe.


DSC00188.JPG
Peter B.
In Sunny Florida most of the time.
Marklin, Trix Express, Trix Twin, Fleischmann, Liliput, Hornby Dublo, and Others, 2 & 3 Rail, AC, DC and Digital, Course Scale Wheels & Fine, 1935 to 1960s usually.
Offline kiwiAlan  
#3 Posted : 17 October 2021 13:39:44(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 6,446
Location: ENGLAND, Didcot
Originally Posted by: mb300e4m Go to Quoted Post
Hi all, I have a 3663 set and one of the motors is no longer functional. I have removed the offending A unit body but have not yet proceeded any further. Is the wiring harness between the A and B units hardwired? I have not yet removed the B unit body.

Regards to all and stay safe.

DSC00184.JPG


it will be hardwired, but that shouldn't stop you removing the body.

To me this sounds like a brush has worn down and needs replacing. That is certainly where i would start, and then look at the possibility of oil having hardened. One you have done one motor do the other one, as both will be in a similar condition.

thanks 1 user liked this useful post by kiwiAlan
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