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Tool Talk Discussion Forum

Re: Solenoid switch

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George Marsh

03-24-2013 06:53:57

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GUIDO, your solenoid looks like those used on mowers. Call it what you want, solenoid, relay, motor contactor. Basically they all work the same way. A electo-mangetic controlled heavy duty switch.

A solenoid is an automotive term, relay is an electonic term, and a motor contactor is an air-conditioning term compressors.

A solenoid can also be a term for electro-magnetic controlled valves. Gas, air , water soleniod, ect.

Take a screw driver, touch the two large terminals and you are jumping out the switch part of the solenoid.

If this is off a mower, there are many safety switches that could be causing your problem.

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03-24-2013 07:03:46

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 Re: Solenoid switch in reply to George Marsh, 03-24-2013 06:53:57  
Hello George March,

Thanks for the explaination. Saved me the time to do it. I have taken the solenoid apart. It had a bad ground and was rusty. I soldered A wire to the negative side of the solenoid and wrap it around the spring. Had to drill out the rivets to take it apart, and i used screws to put it back togather. HEY! its not my first rodeo! No other safety devices in this case.
HO! by the way.................. it works.

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03-25-2013 09:24:15

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 Re: Solenoid switch in reply to GUIDO, 03-24-2013 07:03:46  
One thing to keep in mind - sometimes they burn out - and sometimes they get stuck - but often for the same reason -

yeah some do get old and die - but often bad connections (or a bad starter) force the starting circuit to draw extra current.

the solenoid/relay parts - just like anything else - heat up more when more current is pulled through them.

That can lead to failure or relay sticking.

so - fixing or replacing a relay is sometimes only a temporary fix...

Always good to check the whole circuit - worn starter motor - bad ground connections - frayed battery cables - bad batter connections...

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George Marsh

03-24-2013 14:59:41

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 Re: Solenoid switch in reply to GUIDO, 03-24-2013 07:03:46  
Glad it worked for you.

There are many places on line that sell mower parts real cheap. I just purchased a new honda carb $48, rebuild kit $9, shipping, handling $12 for my 4 stroke husky weedeater. Most new carbs run twice that amount. Just got it yesterday, looks just like the old carb. Hope it works.

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dr sportster

03-24-2013 11:04:54

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 Re: Solenoid switch in reply to GUIDO, 03-24-2013 07:03:46  
Once I saw the pictures of it taken apart I knew you were going to fix it yourself. I always drill out rivets of stuff like that . File and spray and see what you can get away with. Ha ha good save.

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03-24-2013 12:22:18

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 Re: Solenoid switch in reply to dr sportster, 03-24-2013 11:04:54  
Hello dr sportster,

o Thanks!once I knew the coil was good, I took time to clean it. Works just fine.
I know it is not that much to buy one. I like to be green, heck I've been green way before it became a cool thing to do.
Have a good day..................Guido

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