[SEL] No Spark on John Deere Model E

[Dave Otto]

Hi Jeff

While cranking the engine over at a good speed rub the ignitor wire back and
forth across the ignitor springs; you should see sparks.

The one thing I haven't seen in the other responses is to time the ignitor
to the mag. The ignitor needs to trip at the exact time when the pin drops
into the detent. This is the point the mag is producing the most voltage.
I don't see in your post where you had done this.

But as every one else has said you probably need a magnet recharge.

Good Luck
Dave


Dave Otto
Boise, Idaho


-----Original Message-----
From: sel-bounces at lists.stationary-engine.com
[mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Jeff Allen
Sent: Friday, November 05, 2010 2:22 PM
To: 'The SEL email discussion list'; C. W. Jefferys Allen
Subject: [SEL] No Spark on John Deere Model E

     I am having a terrible time getting a spark at my ignitor from my 
magneto on my John Deere 1 1/2 Model E Stationary Engine. I have totally 
cleaned the mag (actually I have the same problem with another identical 
JD Magneto), put in new carbon brushes, cleaned the bearings, and still 
I cannot get the engine to run. I have followed the instructions in my 
manual for timing the ignitor and timing the magneto, matching the marks 
on the gears very carefully. The engine has fine compression, cleaned up 
the valves which are in great shape, new fuel tank and needle valve 
(lots of fuel when cranked). I have changed out three different ignitors 
that I have and the points are bright metal after cleaning and the 
points snap quickly. They whole engine turns easily through good 
compression. I have pressed the  "L" pin into the detent before mounting 
the magneto, matching the marks on the gears.
     I have switched the horseshoe magnet between the two magnetos and 
still no juice. The magnets have about 1/4 pound of pull when I remove 
the keeper ( I kept them on the anvil of my bench vice as a keeper). Do 
these magnets go dead often and need to be re-charged?  For most cases I 
am very familiar with these old engines and generally don't have trouble 
getting them started. I have a good number of engines but this is my 
first ignitor project; I have mostly WICO magnetos on my flywheel 
engines and have had no trouble cleaning and refurbishing them. This is 
my first try with a JD and I thought because of the general good 
condition of the engine it would be quite simple to start. Live and 
learn. Any ideas would be welcome even if they make me look silly by 
being obvious.
-- 
Jeff & Marja Allen Edmonton, Alberta, Canada
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