To Adjust Or Replace The Spark Plug - Craftsman 536.886531 Owner's Manual

TO ADJUST OR REPLACE
THE SPARK PLUG
If you have difficulty starting you r snow 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
electrodes (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 36)
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.,
.030 GAP
FIG. 36
• Before installing the spark plug, coat its threads
lightly with oil or grease to ensure easy removal,
• Tighten the plug firmly into the engine.
• If a torque wrench is available, torque the ptug to 18
to 23 ft - tbs,
23