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I am puzzled by this spin one blade and the others should spin too biz. I did my first mowing of the year yesterday and for the most part it went well though at times it seemed the middle mower was cutting out leaving a strip of unmowed grass. today I reached under and turned each blade one at a time and never did the other two blades spin. well perhaps I was spinning them in the wrong direction or not fast enough? I had my wife sit on the tractor so I put my hands on each motor they were all running while stationary. is there a thermal switch on the mower motors?
dave, seattle
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---------- Original Message -----------
From: Rob Brockway <getractor yahoo com>
To: Stephen & Carol Welch <welches paonline com>, elec-trak cosmos phy tufts edu
Sent: Sat, 17 Apr 2004 18:09:16 -0700 (PDT)
Subject: Re: (ET) Re: EGT120 questions
> All three are connected together. If all the bearings etc are good, when you spin one it acts as a generator that powers the other two.
>
> Stephen & Carol Welch <welches paonline com> wrote:
Hi all,
>
> Finally had a chance to check out some of the various recommendations to my questions.
>
> First, I checked the resistors with a voltmeter. Voltage drops with each speed and in top speed, voltage = 0. So, seems like that's working fine. The tractor definitely has three distinct speeds forward, and two in reverse as it should. I have some other recommended testing to do yet, but it may just come down to the batteries.
>
> Also, a couple of times I've seen something like the following snip from this list:
>
> - Sounds like it maybe a problem in the mower. When disconnected from the
> tractor do the blades spin free? If you spin one blade the others should
> turn.
>
> This happened to be from SteveS. Now, I'm a bit perplexed by this. I have two decks - tried 'em both. Spin one blade by hand. Nothing happens with the others. Since the blade motors aren't connected by any belts why should turning one make the others turn?? Essentially, they're just 3 motors connected by wires, right??
>
> Maybe I'm just dense. Someone please straighten me out!
>
> Thanks,
>
> Steve W. _______________________________________________
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>
>
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