To Adjust Or Replace The Spark Plug - Craftsman 536.886120 Owner's Manual

......... SERVICE ANDADJUSTMENTS
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TO ADJUST OR REPLACE
THE SPARK PLUG
If you have difficultystarting your snow thrower, you may
need to adjust or replace the spark plug_ Follow the
instructions below,
Replace the spark plug if the electrodes are pitted or
burned or if the porcelain is cracked,
TO ADJUST:
O
®
Clean the spark plug by carefully scraping the elec-
trodes (do not sand blast or use a wire bnJsh).
Be sure the spark plug is clean and free of foreign
material Check the electrodes gap (See Fig. 36) with
a wire feeler gauge and reset the gap to _030 inch it
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.
,030 GAP
ml LI II, I1,11,, II lll l IHIII _ "
FIG. 36
® Before installingthe spark plug, coat itsthreads Lightly
with oil or grease to ensure easy removal
® Tighten the plug firmly into the engine
® If a torque wrench is available, torque the plug to 18 to
23 ft _-Ibs.
24