To Adjust Or Replace The Spark Plug - Craftsman 536.884780 Owner's Manual

SERVICE AND ADJUSTMENTS
TO ADJUST OR REPLACE
THE SPARK PLUG
If you have difficultystartingyoursnow thrower, you may
need to adjust or replace the spark plug. Follow the
instructionsbelow.
Replace the spark plug if the electrodes are pitted or
burned or if the porcelain is cracked.
TO ADJUST:
• Clean the spark plug by carefully scraping the elec-
trodes (do not sand blast or use a wire brush).
• Be sure the spark plug is clean and free of foreign
material. Check the electrodes gap (See FIG. 9) with
a wire feeler gauge and resel the gap to .030 inch if
necessary.
TO REPLACE:
• If you need a new spark plug, use only the proper
replacementspark plug (See page 4).
.030 GAP
FIG. 9
• Beforeinstallingthe spark plug,coat itsthreadslightly
with oil or grease to ensure easy removal.
• Tightenthe plug firmly intothe engine.
• If atorque wrench isavailable, torquethe plugto 18 to
23 ft .- Ibs.
• Set the gap to .030.
2O