How do you remove the armature??

The TC185 'Ranger'.

How do you remove the armature??

New postby vman858 on Sun Oct 25, 2015 4:51 pm

I can get the armature off my 1974 TC185. I remove the generator and the bolt that hold the point cam. Now I have a M10 bolt screwed into armature with a slap hammer connected and it wont come off. Any tips?


Thanks!
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Re: How do you remove the armature??

New postby vman858 on Sun Oct 25, 2015 4:54 pm

Bike is on its side in a attempt to soak shaft with PB blaster.
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Re: How do you remove the armature??

New postby vman858 on Sun Oct 25, 2015 6:37 pm

Got it off. Dropped a piece of all thread down to the shaft the screwed in M10 and it came off. Seal looks new and no leaks.
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Re: How do you remove the armature??

New postby Dansrc51 on Tue Oct 27, 2015 4:27 pm

These can be a real bear to remove. I have taken mine off 3 times now, and one of my parts bike. I had a local fabricator make the slide hammer for me.

If it were me, I'd replace the seal since you are in there already. Cheap insurance. Also, a mistake I made was not lubricating the seal before seating it in.
Last edited by Dansrc51 on Tue Oct 27, 2015 4:27 pm, edited 1 time in total.
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Re: How do you remove the armature??

New postby Butcher on Tue Oct 27, 2015 11:16 pm

Good advise Dansrc51. I'd be replacing the oil seal too.

Good technique vman858. Let Gravity do the work with the penetrating oil.

Be careful with the dynamo. A forum member busted a tag off. If I remember rightly, there are two tags with wires attached. This was part of the brushes. Be careful!

There is a thread on dynamos. Mr. custardcruiser started it.

Good luck!
‘Fix it and try again’ - Burt Munro.

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Re: How do you remove the armature??

New postby tc185Dupuis on Wed Feb 21, 2018 5:29 am

I got a big hole in my piston and it sucked a bunch of metal into the case... So now I'm trying to split it open to clean everything out. I don't totally understand how you removed the armature.

Where does the M10 bolt screw into? Do you have to take the cam off (part #22 below)?

https://www.partzilla.com/catalog/suzuki/motorcycle/1975/ranger-tc185/generator


Thanks
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Re: How do you remove the armature??

New postby Butcher on Wed Feb 21, 2018 7:20 am

Not sure how to get it off.

Hole in piston crown does not sound good. Normally hole is caused by detonation. It is when petrol basically explodes instead of burning slowly. Petrol needs tu burn slowly. Research 'detonation' for possible causes...
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Re: How do you remove the armature??

New postby MyBad on Wed Feb 21, 2018 1:16 pm

You need a puller, dont try and pry it off.

With the M15D you will probably also need this
suzy_dynamo_test_2.pdf


Perhaps Mr Butcher would like to add it to the stash of treasures. Could save all those lengthy confusing reg questions.
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Re: How do you remove the armature??

New postby MyBad on Wed Feb 21, 2018 1:27 pm

And.. Get a new set of engine seals. , That piston didnt burn a hole in itself for no reason at all.
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Re: How do you remove the armature??

New postby overrun on Wed Feb 21, 2018 1:29 pm

Thanks for the pics!!


{Sorry you have to learn so much about your machine.}
1975 TC185
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Re: How do you remove the armature??

New postby Butcher on Thu Feb 22, 2018 12:10 am

Yup I will add the data to the TC185 section. Credit where credit due...

I suspect that that data came from "Glenn's Suzuki" book, which I own. Highly recommended! Most likely went out of print years ago!


I had that .pdf on my computer, as well as part 1. Here is the link to them on the board... (I wonder if it is already in the manual section... Off for a peek).

http://suzukits.informe.com/forum/service-manuals-service-data-f356/tc185-electrical-system-service-dynamo-t3829.html#p34269


...mmm. Apparently not. Well it is now. May be this info can be added to the 'wiki' ? And yes, the dreaded "my electrics are fried" questions! No good. Not easy to get on the level and assist without having subject on front of One.


And get 1/2L of petrol and a brush and clean all that oil / funk off of motor before disassembling...
Last edited by Butcher on Thu Feb 22, 2018 12:10 am, edited 4 times in total.
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Re: How do you remove the armature??

New postby tc185Dupuis on Thu Feb 22, 2018 4:53 am

Awesome! Thanks for the pdfs, it makes more sense now. Is the puller anything special, or just a long M10 bolt?

I'm not sure what happened with the piston. I think it could have been burning a little too lean. It scored the cylinder pretty badly, although I was able to hone it out nicely.
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Re: How do you remove the armature??

New postby MyBad on Thu Feb 22, 2018 5:57 am

A little hot you say?

That damage occurred extremely quick. Honing wont clean that up sufficiently. It requires a rebore, the amount of material required to be removed and have it servicable cannot be done by a normal hone. Have the bore measured correctly by an engineer or machinist. 3 positions 2 measurements at 90 degrees each.


Im still aghast adt the piston. You. Need to find why it occured as it will bappen again as soon as the engine starts. Instant h bomb
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Re: How do you remove the armature??

New postby Butcher on Thu Feb 22, 2018 6:57 am

Argh piston seizure... Almost like it did not get any lubrication... Is your pump turning and delivering??? Dear oh dear, that is bad.
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Re: How do you remove the armature??

New postby MyBad on Thu Feb 22, 2018 10:13 am

Nothing to do with oil at all.
A gallon of crude wouldnt have stopped that.

Thats chronic fatal detonation.

What caused is a guess at best wirhout the engine here or its history.

Incorrect fuel type?
Extreme loading?
Electrical timing fail?
Engine air leak?
Damaged combustion chamber?

Who knows, likely a combination of all and ultimately its user abuse not mechanical failure.

The sparkplug was so hot it acted like a mig welder with a gas shield of hydrogen. Instant plasma torch.
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