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Re: (ET) Re: EGT120 questions

I guess I would look first at how much power the motors draw when powered with good balanced blades.  If it is 1/2 the green zone or less than 25 amps with no bad noise why not use the mower deck for a while and keep an eye on things.  In the last 4 years I have ended up changing the bearings on all of my deck motors.  It just took some time for them to fail.  You can try a little oil in the bottom bearing, but it is hard to get it in.
 
When I was testing the deck, I would run it off 6 volts from a automotive battery charger.  It allowed me to hear the bearings without the wind noise and vibration.

Stephen & Carol Welch <welches paonline com> wrote:
Fair enough.  I tried (vigorously) spinning a couple of the blades - nothing happened.  I guess if they aren't spinning freely enough, that means they'll draw too much juice when powered up.  So what is needed?  Lubrication?  Both decks look like they have had very little use - the original paint is in good condition and is even present on the underside.

Thanks again,

Steve

From: Rob Brockway <getractor yahoo com>
Date: Sat, 17 Apr 2004 18:09:16 -0700 (PDT)
To: Stephen & Carol Welch <welches paonline com>, elec-trak cosmos phy tufts edu
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.
-snip-

- 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??

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