Mobility Scooter Motor

[jock]

I am trying to figure out what all the wires are on my donor mobility scooter. There are 4 wires going to the motor. Does anyone know what the two thin wires are for?

Thanks,

Jock

[graeme]

The two thin wires are for the electronic brake, put 24v to them and the brake releases, take it away and it applies it....

[brian]

There will be an expert along soon I have no doubt, but as you are talking "Mobility Scooter", I would think the thicker wires will be motor positive and negative and the two thinner wires will be brake release positive and negative.

Regards,

Brian

[RH JOINERY]

If you want to use a hydraulic disc brake instead of the electronic brake can you just leave the wires disconnected or is it mandatory that they are wired up?
  Many thanks Rory.

[brian]

Hello Rory, you will need to apply a voltage to the brake wires when you want the car to go otherwise the motor will be driving against the brake and burn out.

You could disable the brake I'm sure with a little spanner work, that should be a possibility, but personally, if I had this facility, I would use it and supplement themotor braking with some other external braking.

Regards,

Brian.

[graeme]

Is that not what i said four posts ago.....

[Donnydarko]

You can remove the brake from the back of the motor.

[brian]

Graeme, you should not be so quick to put critical pinky to keyboard without first getting to know the foibles of this site.

My reply, which took longer than yours to type in obviously due to it's length, was started while the topic had just the one posting asking for help.  By the time I posted my attempt at offering assistance, you had obviously posted your attempt at offering assistance, so we both gave correct answers.

My second posting was in answer to Rory's request for clarification as your one liner obviously did not make it clear enough for him.


We really don't need any smart answers on here unless you have established a repartee with someone, so that a humorous answer cannot be misconstrued.

Regards,

Brian.

[graeme]

Hello brian, forgive me for stepping on your toes, i was under the impression that the forum was open to anyone, NOT the select few, consider my knuckles rapped and i'll now take a back seat while the forum goes ahead under your watchful eye.... apologies to anyone offended by my postings.

[Richard]

Thank you for your offer to help but I don't think that kind of response is called for Graeme. Brian's answer simply explained why both of you gave the correct reply. Nobody was rapping knuckes, only suggesting it might be a good idea to understand how forums work in terms of actual time taken to register a post and suggesting that if you want to irritate people use a smart reply. You are more than welcome to make positive posts and you obviously have some good experience to offer but please bear in mind that quite a high number of questioners do not have a great deal of experience.
Regards Richard

[brian]

No offence was intended Graeme, I was just pointing out that the writing of posts takes time, and a writer can often be gazumped by another faster or shorter message writer.  It has happened to me several time before your posting.

I finished my post with a smiley, which was actually smiling. .  

Brian.

[Ron-tje]

Hi All,

Instead of starting just another "scooter motor" tread, I'll try to get an answer to my problem here.

Today my Scooter axle I won on "Ebay" arrived, I wanted to bench test it but I have some problems connecting it. Of course it has two thick motor wires. But it also has 4 thin wires! 2 black ones and 2 yellow ones, the yellow ones are connected to each other through the motor/brake unit (used my "volt meter") but when I flip the freewheel lever at the back of the elec. parkingbrake the connection between the yellow wires is broken (or vice versa).

Technical info:
AMT - Auto Move Technologies
Type: DG 0120
24 Volt, 28 A, 0,55 kW
3000 / 243 rpm.

Does anybody have a clue on how they should be connected? Thanks.



Ron, Netherlands

[electric4fun]

Hi Ron,

I have similar motors in my build (purchased in the Nehterlands too  .. near Eindhoven)

the thick are the motor power wires,
the black one are for the electric brake disk attached to the end of the motor
the yellow are the microswithecs indicating it hte parking brake is engaged , this usually goes to the controller to avoid powering the motor while the parking brake is on .

you can ommit the yellow but make sure the parking is off or the brake is eletrically engaged.

best regards,
Luc

[Ron-tje]

Thanks Luc!

But a few more questions came to mind;
* Since the brake wires are the same color (both black) I assume it doesn't matter which wire is connected to + or -?
* Brake release wires need to be fed with 24V, just like to motor?

Had quick look on you site, some great vehicles you have build there! I also saw one of you futere build plans of the 65% mini. If all goes well I'm going to use the axle of 50% version, but that will take a loooooooong time to get finished I think. 

[Ron-tje]

Got the info I needed through PM and also finally got in contact with the person who sold it to me. Tried everything yersterday with two batteries and a bunch of wires.... "problem" sorted, motor/axle is running fine! (on the table)

For who is interrested:
- Which wire  + or - goes doesn't matter, it's just an electric magnet.
- parking brake need's 24V, else it was not releasing enough and was slipping.

Hope this helps any future builders who face the problem.