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Author Topic: YDK motor - how long should it last?  (Read 1112 times)

Offline Halfie

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YDK motor - how long should it last?
« on: September 30, 2016, 12:29:09 AM »
I replaced the motor in my DC05 at the beginning of last year and it has worked well until now.  (Apart from a brief interlude when I had to cut off the plug and a couple of inches of cable to get round a break in the conductors.)

Today when I powered up there was the very briefest of spins, just a fraction of a second, then nothing.  I removed the motor and checked the cable and switch for continuity.  Both fine.  But there's an open circuit between the connectors to the motor itself.  The thermal cutout hasn't.  There's about 4 ohms across the brushes and it all looks reasonably clean in there.

So it appears that the motor is dead.  It hasn't had a lot of use over the 20 months or so since new, as we've been away on our narrowboat for two periods of six months each.  I regularly clean the top filter; I replaced this and the HEPA filter at the same time as the motor.

Is the YDK motor as supplied by Manchester Vacs up to the job?  Or should I really have to replace it every year?  Perhaps I just got a duff one.  MVacs  say that it's well outside the warranty period, which I accept, but does anyone else have experience of short-lived new motors?
Dyson DC05, DC50 and Hoover 867A Constellation (currently defunct)

Offline Halfie

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Re: YDK motor - how long should it last?
« Reply #1 on: October 07, 2016, 12:44:53 AM »
OK, so no-one has an answer.  I'll just order another one and hope it lasts a bit longer.
Dyson DC05, DC50 and Hoover 867A Constellation (currently defunct)

Online Parwaz7862

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Re: YDK motor - how long should it last?
« Reply #2 on: October 07, 2016, 12:59:09 AM »
There are some dodgy motors on eBay etc from what I hear from other people's experiences. I recommend the MTR240's, however I think they have been discontinued and have now been replaced by the MTR299 motors (still YDK) but the Chinese version hence the cheaper price. My DC33 has an MTR299 and it's about a month old now with no problems (yet) but they are only 13 on eBay so that could mean something though...

I recommend you get the premium ones from Manchestervacs which is the one they use. They use it for a reason rather than the very cheap tat people often go for due to it being cheaper ;)

If  you see a used genuine one on eBay, I would avoid it. They could be sparking. Also, since most Dyson owners don't maintain their machines, it's likely that a used motor is from a Dyson owner of that type and when they don't get maintained (filters not washed frequently)then this will restrict the airflow and thus decreasing the lifespan of the motor.

Hope this helps!
DC14s are tanks, just need a slightly longer motor life. Do plastic parts often break on DC14s? Nope. DC41- Sexy looking futuristic and powerful machine. Just needs a better designed cleaner head wheel and cyclone clip along with a dense metal rod in the chassis.

Offline Halfie

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Re: YDK motor - how long should it last?
« Reply #3 on: October 07, 2016, 01:15:06 AM »
Thanks Parwaz, I have just this moment ordered another one from Manchester Vacs.  (The one that died was also from M-Vacs.)
Dyson DC05, DC50 and Hoover 867A Constellation (currently defunct)

Online Parwaz7862

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Re: YDK motor - how long should it last?
« Reply #4 on: October 07, 2016, 01:43:40 AM »
Was it the cheapest one?
DC14s are tanks, just need a slightly longer motor life. Do plastic parts often break on DC14s? Nope. DC41- Sexy looking futuristic and powerful machine. Just needs a better designed cleaner head wheel and cyclone clip along with a dense metal rod in the chassis.

Offline MVacs

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Re: YDK motor - how long should it last?
« Reply #5 on: October 07, 2016, 11:55:22 AM »
I recommend the MTR240's, however I think they have been discontinued and have now been replaced by the MTR299 motors

Only to the public. 240 motors are still available to the trade. We won't use 299 ones.

Offline MVacs

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Re: YDK motor - how long should it last?
« Reply #6 on: October 07, 2016, 11:57:30 AM »
Is the YDK motor as supplied by Manchester Vacs up to the job? 

For cylinders we supply the 283, most people supply the cheaper MTR300. We have very few problems with them to be honest.

Offline Halfie

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Re: YDK motor - how long should it last?
« Reply #7 on: October 10, 2016, 10:45:16 PM »
I recommend the MTR240's, however I think they have been discontinued and have now been replaced by the MTR299 motors

Only to the public. 240 motors are still available to the trade. We won't use 299 ones.

New motor from M-Vacs arrived today:  it's the MTR283.  Thanks, M-Vacs.

Was it the cheapest one?

It was 21.99.

I've eventually managed to put it all back together again - it seemed to be much harder than the last time I did it 20 months ago.   I had managed to get the motor out without removing the wheels but I couldn't reassemble without taking the switch side wheel off.  I couldn't remember how I'd removed the wheels before.  This time I looped a piece of wire round the tabs projecting inside the casing, then twisted the ends with a pair of pliers thus pulling the four tabs in just enough to release the wheel.

ila_rendered

I couldn't get the other wheel off (cable side) so I tried to reassemble with just one wheel off.  Eventually I managed it, but it took an awful lot of jiggling etc.

ila_rendered

Now I'm just waiting for the filter to dry before doing some hoovering oops - I mean Dysoning!  (And, yes, I did power it up in a dismantled state to check the electrical side works.)
Dyson DC05, DC50 and Hoover 867A Constellation (currently defunct)

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