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SERVICING YOUR SNOWBLOWER
WASHER
0.028 0.031in
(0.70 0.80mm)
If installing a new spark plug, tighten 1/2 turn after the spark plug
seats to compress the washer. If reinstalling a used spark plug,
tighten 1/8 to 1/4 turn after the spark plug seats.
After the spark plug is seated, tighten with a spark plug wrench to
compress thewasher.
Make sure that the spark plug
washer is in good condition, and
thread the spark plug in by hand
to prevent cross-threading.
0.028 0.031 in (0.70 0.80 mm)
The spark plug must be securely tightened. An improperlytightenedspark plug can become very hot and may damagethe engine.Measure the plug gap with a wire-
type feeler gauge. Correct as
necessary by carefully bending
thesideelectrode.
The gap should be:
5.
6.
7.
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