SERVICE AND ADJUSTMENTS
TO ADJUST OR REPLACE
THE SPARK PLUG
Ifyou have difficultystarting your snow thrower, you may
need to adjust or replace the spark plug. Follow the
instructionsbelow.
Replacethe spark plug ifelectrodes are pittedor burned or
ifthe porcelain is cracked.
TO ADJUST:
• Clean the spark plugby carefully scraping electrodes
(do not sand blast or use a wire brush).
• Be sure the spark plug is clean and free of foreign
matedal. Check electrodes gap (See FIG. 18) with a
wire feeler gauge and reset the gap to .030 inch if
necessary.
TO REPLACE:
• If you need a new spark plug, use only the proper
replacement spark plug (See page 4).
• Set the gap to .030.
• Before installingthe spark plug,coat itsthreads lightly
with oil or grease to insure easy removal.
• Tighten the plug firmly into the engine.
• If a torquewrench isavailable, torquethe plugto18 to
23 It - Ibs.
.030 GAP
FIG. 18
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