Ignition Installation Instructions and Engine Starting Procedure for A-1
Miller's Tecumseh SSI Replacement Electronic Ignition System.
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This system operates best with the short firing pin in the flywheel (which
is located at approximately 17º BTDC). Either drive the long pin flush
with the surface on the flywheel or remove it. The long pin will not be needed
and will interfere with proper operation of the ignition system. FYI -
I've done a lot of research on this and the long pin MUST be absent for this
ignition system to work correctly!
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When installing the ignition system on the engine, set the air gap/clearance
between the [short] firing pin and sensor/module at .010"-.050" with a paper,
plastic or brass (anything non-magnetic) feeler gauge, then securely tighten
the mounting fasteners. IMPORTANT - Gently and slowly rotate the flywheel
back and forth by hand to check that the sensor/module does not make contact
with the firing pin. Absolutely do not allow the sensor/module to make contact
with the pin while the engine is running, or the sensor/module will become
damaged and inoperable!
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Connect the RED wire from the ignition system to the one of the wires
or terminals on the toggle or key switch, and connect the other wire or terminal
to to the battery positive (+) post.
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Set the spark plug gap at .030".
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Connect the spark plug to the spark plug wire, and place it on a metal part
of the engine. Turn on the ignition switch to supply power to the system.
NOTE: When the ignition switch is first turned on (with the engine not
running), a single "test" spark may occur at the spark plug, which is normal
with this type of system.
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Now rotate the flywheel side to side by hand so the short pin passes the
sensor/module, and observe for a strong, "snappy" blue spark at the spark
plug's tip. IMPORTANT: When replacing the spark plug, use a new copper
core/non-resistor AC Delco, Autolite or Champion spark plug of the correct
type gapped at .030" for longer coil and module life. This ignition system
comes with a limited lifetime warranty. Use of a resistor type spark plug
will void warranty. And to prevent from burning up the module and
coil, do not leave the ignition on for more than 5 minutes with the engine
not running.
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Starting Procedure: With the absence of the long firing pin, the engine with
have a fixed and non-adjustable "advanced at all times" ignition timing.
So to start the engine, first choke the carburetor, crank the engine, and
then turn on the ignition switch to "put the spark to it." It should start
every time. Once you get used to doing it this way, you'll think nothing
of it after a while. If the ignition is turned on first and then the engine
is cranked over, it will likely "kick back" every time, which could damage
the starter motor armature shaft.
For customer service assistance, and FREE honest and accurate technical
support, please contact: A-1 Miller's Performance Enterprises | 12091 N.
Route B | Hallsville, MO (Missouri) 65255 USA | Phone: 1-573-881-7229 (cell;
call or text). Call any day, Monday-Friday, 9am to 5pm, Central time zone.
If no answer, please try again later. (When speaking with Brian on the
phone, please be patient and understanding because I stutter.) E-mail:
pullingtractor@aol.com.