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Re: lawnmower repair redux

To: scott <scott.hall@comcast.net>
Subject: Re: lawnmower repair redux
From: Bob Spidell <bspidell@comcast.net>
Date: Sun, 03 Sep 2006 10:35:52 -0700
Take a look at the collar under the blade.  These engines have an 
"electronic" ignition that
(I think) uses a Hall Effect pickup to time the ignition.  This collar 
has a magnet in it, and
if it's cracked (the collar) this disrupts the magnetic field to fire 
the ignition.

Had this happen on my Tecumsah 6.75hp Craftsman mower.

bs

scott wrote:

>
> I think this thing is headed for the landfill...
>
> I took of the carb and simonized the thing.  no plugged passages.  now 
> it won't even fire at all.  spraying carb cleaner in the carb does get 
> it to start, so the thing isn't getting fuel.  the only thing I can 
> guess is the spring-loaded governor thing which controls the butterfly 
> in the carb throat.  can't tell if it's somehow linked to the throttle 
> or not, but it doesn't move when the throttle is depressed.
>
> I friggin' HATE sears and their lawnmowers.  have never seen or heard 
> of a good one.  the ones we had when i was a kid were just as bad.  
> had issues with their weedwhackers as well.
>
> my honda has never missed a beat.




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