the home of the turntable

Servicing Dual Turntables - Revised

twice the fun

Servicing Dual Turntables - Revised

Postby JaS » 23 Jan 2014 13:18

Servicing Dual Turntables

Motor and Drive Systems

Cam and Cycling Problems

DIY Repair Stand

Klaus Adlhoch (dualcan)
Fredrick Adlhoch
Jean-Luc Bruyelle
User avatar
JaS
engine room
engine room
 
Posts: 10817
Images: 186
Joined: 12 Feb 2002 17:32
Location: Dark Peak

England

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby wildsearch » 26 Jan 2014 22:28

Jean-Luc and Klaus:
Just a quick note to thank you for your posting "Servicing Dual Continuous Pole Motors and Drive Systems". In particular the cardboard protective ring when inverting the T.T; the recommended method for the removal of the idler wheel; and the advice to wear latex gloves. All good pieces of information in addition to your clear step-by-stem procedure.

Have you posted other pieces like this? If so how can I locate them?
Many thanks.
wildsearch
member
member
 
Posts: 27
Joined: 08 Mar 2013 19:46
Location: Vancouver, BC

Canada

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby jlbruyelle » 27 Jan 2014 00:53

Hi wildsearch, and thanks for the kind words :D We have not posted other tutorials yet, but we have plans to write more soon. As Klaus says: stay tuned :wink:
jlbruyelle
senior member
senior member
 
Posts: 451
Images: 0
Joined: 11 Aug 2008 13:51

France

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby wildsearch » 27 Jan 2014 03:01

Hi again. Since my last email to you I worked on my TT using your tutorial. One thing that you may want to look at is the disconnection & re-connection of the electrical during this process.
Please take this as my involvement and not as a criticism of your good work.
Thanks once again!
wildsearch
member
member
 
Posts: 27
Joined: 08 Mar 2013 19:46
Location: Vancouver, BC

Canada

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby dualcan » 27 Jan 2014 03:17

I'm not sure what you mean. Disconnect turntable from the mains or disconnect motor from the ac switch of turntable?
If you mean the later, it is not needed. The wires are long enough for servicing in situ. Another thing I was afraid of, is that someone may replace wires incorrectly or worse break of the pins in the switch box. In all the years I worked on these motors I never removed the cables unless the stator needed changing.
If it is the mains supply, I hope that it's self evident and by removing the turntable from the base/plinth it would require this step already.
I appreciate any suggestion and consider them always as constructive.
Thanks!
k
Klaus Adlhoch, fmr. Assistant Service Manager,
Noresco -N.Q.I.-Dual of Canada,
Area of expertise: Tech Training and Consumer Service P.R.
Associated with Dual till Thompson era.
Favorite Duals: TG 12a, 1009, 721.
User avatar
dualcan
long player
long player
contributor
 
Posts: 3138
Images: 88
Joined: 15 Nov 2013 23:53
Location: Sorel-Tracy Quebec

Canada

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby wildsearch » 27 Jan 2014 20:08

Hi, I meant the motor from the AC. Thanks for clarifying your reasons.
wildsearch
member
member
 
Posts: 27
Joined: 08 Mar 2013 19:46
Location: Vancouver, BC

Canada

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby fscl » 11 Feb 2014 17:41

Thank you JLB and KA...... =D> =D>

Much appreciated.

Fred
Music is Everything....Except Predictable....Music Discovery Starts Here.....WFUV Member
fscl
vinyl addict
vinyl addict
contributor
 
Posts: 7040
Images: 127
Joined: 05 Aug 2004 07:51
Location: CT, US

United States of America

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby malleharry » 02 Mar 2014 17:26

I'm having problems removing the idler wheel. If i use a screwdriver to pushdown on the shaft i have to apply allot of force and still nothing happens. Is this normal, should i use more force? I have a Dual 1019.
Remon
malleharry
junior member
junior member
 
Posts: 9
Joined: 15 Aug 2012 14:32

Netherlands

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby dualcan » 03 Mar 2014 02:35

Hi,
Make sure that you use a screwdriver that is narrower than the plastic ring which holds the idler in place and push against your fingers (under the idler) as in picture. It will require some pressure before it lets go. Every 1019 was serviced that way, so don't worry about using more force.
Regards,
k
Klaus Adlhoch, fmr. Assistant Service Manager,
Noresco -N.Q.I.-Dual of Canada,
Area of expertise: Tech Training and Consumer Service P.R.
Associated with Dual till Thompson era.
Favorite Duals: TG 12a, 1009, 721.
User avatar
dualcan
long player
long player
contributor
 
Posts: 3138
Images: 88
Joined: 15 Nov 2013 23:53
Location: Sorel-Tracy Quebec

Canada

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby malleharry » 03 Mar 2014 21:58

Thanks for the reply. The screwdriver was small enough, but i'm gonna try it again. :D
Remon
malleharry
junior member
junior member
 
Posts: 9
Joined: 15 Aug 2012 14:32

Netherlands

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby audiopile » 04 Mar 2014 03:32

Exceptionally well done! This will keep many a old Dual spinnin for a some more decades.
audiopile
long player
long player
 
Posts: 1660
Joined: 11 Feb 2010 07:48
Location: Milwaukee ,Wi. USA

United States of America

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby malleharry » 06 Mar 2014 21:16

It worked. I finally removed the idler wheel, and nothing broke :). Thanks for the help.
Remon
malleharry
junior member
junior member
 
Posts: 9
Joined: 15 Aug 2012 14:32

Netherlands

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby muovimies » 25 Mar 2014 19:31

I wish I had stumbled upon this a week ago and my Dual 1229 would have got a better service and I would've had easier time with it - I had some piece of documentation but it wasn't as good a piece as this. Well.. next time if there's gonna be one. Thanks for the great work!
muovimies
 
Posts: 4
Joined: 11 Nov 2013 16:58

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby flavio81 » 27 Mar 2014 21:23

JaS wrote:Prepared by:
Jean-Luc Bruyelle (jlbruyelle)
Klaus Adlhoch (dualcan)

Review by:
Fredrick Adlhoch

revision 1.0

download


It is a pleasure to have this document. My deep thanks to Jean-Luc, Klaus, and Fredrick. Greetings from this turntable technician!
flavio81
 

Re: Servicing Dual Continuous Pole Motors and Drive Systems

Postby patchboston » 05 Apr 2014 20:01

Last night, I used this guide to service my Dual 1019 motor. Super easy to follow and made something that seems like a chore quite fun!

Cannot wait for future tutorials!
-Dave.
patchboston
 
Posts: 1
Joined: 18 Mar 2010 21:14
Location: Cape Cod, Mass.

Next

Return to Dual