Puzzling out a motor.

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Puzzling out a motor.

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Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Thu Jun 12, 14 1:30 pm Post subject: Puzzling out a motor.

I have here an electric motor which I want to put to use. It came out of a Stannar stairlift and was ripped out by someone a bit keen on the ripping...

Coming out of the motor their are 3 wires: brown blue and black. Whichever way you try them, they measure 8.5ohm.
At the end of the motor there is a thing with two more wires: my guess is this is something like to give information back to the control box: maybe a rev counter?

The control box has most of the wires into it missing. It has four large black boxes which I believe are relays or some sort of switching device. Bit puzzled to why there are four.

So the question is: how do I power it up?
If I put 240VAC across it and choose the wrong wires, is it going to go bang?

I have asked Stannar, but it is obsolete, so they cannot help.

dpack

Joined: 02 Jul 2005
Posts: 46207
Location: yes

Posted: Thu Jun 12, 14 3:51 pm Post subject:
240 in the wrong holes wont do it any good the 4 boxes are probably relays so as the controllers (hand switch and wall switches) are low voltage ,at a guess it might have top wall,bottom wall, chair and remote(maybe) are there any clues on the motor id plate ?

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Thu Jun 12, 14 4:54 pm Post subject:

dpack wrote:

the 4 boxes are probably relays so as the controllers (hand switch and wall switches) are low voltage ,at a guess it might have top wall,bottom wall, chair and remote(maybe)

I don't think there was a remote, and I don't see why you'd want a relay for each switch, certainly not one that big anyway.

Quote:

are there any clues on the motor id plate ?

Not really. There is a serial number, but if Stannar can't find owt to refer it to, then I doubt that anyone else can...

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Thu Jun 12, 14 5:01 pm Post subject:

When you say Stannah, who did you speak to? I bet you need to find an engineer with a few years under his belt, and he'll know the model.

Doing a bit of google suggests they're battery powered, so 240v might be pretty, briefly.

https://www.theiet.org/forums/forum/messageview.cfm?catid=205&threadid=41206

Batteries help avoid those 'What would Thora do?' moments.

https://m.youtube.com/watch?v=gZw3U5MbUmc

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Thu Jun 12, 14 5:09 pm Post subject:

Nick wrote:

When you say Stannah, who did you speak to? I bet you need to find an engineer with a few years under his belt, and he'll know the model.

I wrote and asked, they phoned back next morning and made a convincing show of wanting to help...

Quote:

Doing a bit of google suggests they're battery powered, so 240v might be pretty, briefly.

I think this model may pre-date google. When I said the plate had no clues, it (and other parts) does suggest it is a mains appliance.

Quote:

Batteries help avoid those 'What would Thora do?' moments.

I am not familiar with those...

dpack

Joined: 02 Jul 2005
Posts: 46207
Location: yes

Posted: Thu Jun 12, 14 5:12 pm Post subject:
one of those replies mentions 4 batteries i wonder if each has a box re power in i recon try 12v and see what happens

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Thu Jun 12, 14 5:15 pm Post subject:
Vikings came before Google, but I can still find things on it about them.

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Thu Jun 12, 14 5:50 pm Post subject:
The plate on the motor says 50Hz and the transformer is too small to drive the motor: I conclude that it is a mains motor.

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