Re: (ET) one blade not cutting well

[David C Robie <mycroftxx1 juno com>]

Answers within

On Fri, 28 Jul 2006 08:58:57 -0400 (EDT) Michael S Briggs
<msbriggs alberti unh edu> writes:
> 
> On Thu, 27 Jul 2006, David C Robie wrote:
> 
> > Well if you're going to just throw it away,  throw it in the trash 
> in
> > Weymouth MA.  I'll take it.
> 
> Don't get your hopes up Dave, I'm not planning on chucking it. ;) 
> I'd 
> prefer to get this one working rather than buying another one.
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Darn it !
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> 
> > How about just doing a bit of mowing and feeling all 3 motors for
> > temperature?  If the bad one is hotter or cooler than the others 
> it'll
> > tell you something.
> 
> Ah, there's something. When I was using it on Sunday with the 
> mulching 
> (Gator) blades, the other motors shut off after about 30 minutes of 
> mowing 
> due to the thermal overload. But, if I remember correctly, this one 
> didn't. But, none of them shut off once I switched back to the 
> original 
> blades.
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That could be a badly calibrated or aged breaker.  Feel em at the point
next time when that first blade breaker drops out.
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> 
> > I've seen a lot of motors with cracked field magnets.  Crack  can 
> be
> > fixed with JB weld.  They still work but got a bit less power if 
> it's a
> > bad crack.
> 
> JB weld? I don't do welding, so I'm not sure what that is. 
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A quite sophisticated type of 2 part epoxy resin glue that you buy at
hardware stores
in a pair of 'mix it yourself' tubes for bout $4.00.  Don't buy the
'quick set' kind it ain't a strong.   This shop thrives on it.  But
caution, you gotta prep the surfaces you glue properly
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I guess I 
> 
> should pull the motor and inspect it. Anyone put any photos online 
> anywhere showing disassembly of one of these motors, and what they 
> *should* look like inside?
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I remember a while back putting thi disassembly on the board.  Check out
the thread.
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> Thanks,
> Mike

Anytime (note th times on my emails some are 3am)
Dave
> 
>