How long for a Dual to gum up..??

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goatbreath
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How long for a Dual to gum up..??

Post by goatbreath » 12 Aug 2019 13:42

I am going through a Technics Phase just now,but starting to miss the sound of the Dual 1226 I own..

I haven't used the Dual for 3 Months..I know this might offend the Dual Faithful..lol

How long does a Dual have to sit unused before problems start to happen with the oil gumming up etc..?
I know it is probably longer than 3 Months,but I know Duals can be temperamental especially about servicing..

I wish I had more Space,I'm really missing the sound of the M 75 D conical Cartridge on the 1226 too..

62vauxhall
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Re: How long for a Dual to gum up..??

Post by 62vauxhall » 12 Aug 2019 18:42

I would love to know this myself.

I’ve got two Dual’s, three Miracords, a BSR McDonald and a Zero 100. Plus I just brought home a TD124 II.

It’s not possible to line them up for use at will. It took my a long time to get the changers operational and it concerns me that they don’t get enough exercise.

mrow2
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Re: How long for a Dual to gum up..??

Post by mrow2 » 12 Aug 2019 18:58

It really depends upon the quality of the original servicing, and also the climate. The Alvania dries out, but only very slowly. Most likely you didn't use synthetic oil in the motor, but that will evaporate across many years (which is probably why some restorers simply add new oil during their servicing without a full sintered bearing cleaning -- they run the risk of gumming things up, though). The likely answer is that, just like our own aging frames, the Dual will limber up very quickly (especially only after 3 months) if it's been nicely serviced, and should be good for several years. ~ D

PS An image I'm working on for the cover of my newly revised PDF Guide, several of these and more besides, are my kids who have since found new families; each one represents many hours. My own BSRs (just two), Miracords and Zero plus an assortment of Technics and C.E.C. units also have new owners but they sure looked fine when they left home.
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goatbreath
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Re: How long for a Dual to gum up..??

Post by goatbreath » 12 Aug 2019 20:32

Thank You. :)

I am also drooling at your picture..

62vauxhall
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Re: How long for a Dual to gum up..??

Post by 62vauxhall » 12 Aug 2019 22:15

Yeah, no kidding - a nice assortment. I’ve sent a dozen or so off to new homes - some gifted, some bartered and its hard. They’re like your kids, nurtured and everything.

mrow2
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Re: How long for a Dual to gum up..??

Post by mrow2 » 13 Aug 2019 01:18

Thanks.... I miss my kids! Still have some, though, and other adoptions too. ~ D

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Re: How long for a Dual to gum up..??

Post by Fah » 13 Aug 2019 23:36

My 1237 sat in a basement unused for 30 years, it needed a new belt, and cleaning of the headshell contacts, but worked fine otherwise!

T68
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Re: How long for a Dual to gum up..??

Post by T68 » 14 Aug 2019 08:20

I have bought two duals (1225 and 601) that had been sitting for I don't know how long. Neither had issues with gummed up lubrication. Both needed a new steuerpimpel though (surprise!). But of course I have done a cleaning and relube to be sure they´re ok.

The Garrard Zero 100s is another story. Here in some places there wasn´t grease any more but really good glue. Took heat from soldering iron to loosen up

BoblK
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Re: How long for a Dual to gum up..??

Post by BoblK » 23 Aug 2019 03:05

Mine never did gum up. I've had it since 1973. A 1229. I finally changed the steuerpimple in 2016 and then the anti-skate cam and then the mulit-single lever lift ring. But it never gummed up and quit working. It sat in a heated basement for at least 12 years in a box between my "CD period" and realizing I enjoyed my vinyl a lot more than CDs. Of course I cleaned and completely re-lubed the thing when I started replacing parts in 2016.

62vauxhall
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Re: How long for a Dual to gum up..??

Post by 62vauxhall » 23 Aug 2019 04:34

T68 wrote:
14 Aug 2019 08:20
The Garrard Zero 100s is another story. Here in some places there wasn´t grease any more but really good glue. Took heat from soldering iron to loosen up
Garrard did use better glue than Dual did.

bhuston
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Re: How long for a Dual to gum up..??

Post by bhuston » 27 Aug 2019 19:47

So far no issues in that department with my 1257, had it since it was a pup. Put mine away in the closet in about '93 and it sat there until 2016 when I decided to make room for it in the basement and started missing my vinyl. Pulled it out, set it up, played great mechanically and has ever since. I haven't done a thing to it but changed out the cartridge, belt, and the RCA plugs. So far, seems to be bulletproof. I have never used the stacking feature with this TT. Never been interested in that, how do I know what I want to hear next? It was on closeout sale in '81 when I bought it and I wanted a Dual, didn't care about stacking but wanted auto return.

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Re: How long for a Dual to gum up..??

Post by mrow2 » 27 Aug 2019 20:57

Compared with the earlier models, there's not much to do in servicing a 1257 (and others in that same design grouping); just make sure the grease has not hardened and that the original steuerpimpel hasn't split and fallen off (or is about to), and deal with the ULM holders etc. The turntable is easy to get into. As re: belts, best to go with Wm Thakker or Turntablebelts.com suppliers, others can cause problems.

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