To adjust or replace the spark plug, Service and adjustments – Sears 536.886331 User Manual
Page 26
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SERVICE AND ADJUSTMENTS
TO ADJUST OR REPLACE
THE SPARK PLUG
If you have difficulty starting your snow thrower, you may
need to adjust or replace the spark plug. Follow the
instructions below.
Replace the spark plug if electrodes are pitted orburned or
if the porcelain is cracked.
TO ADJUST:
•
Clean the spark plug by carefully scraping electrodes
(do not sand blast or use a wire brush).
•
Be sure the spark plug is clean and free of foreign
material. Check electrodes gap (See FIG. 18) with a
wire feeler gauge arrd 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 installing the spark plug, coat its threads lightly
with oil or grease to insure easy rerrx)val.
•
Tighten the plug firmly into the engine.
•
If a torque wrench is available, torque the plug to 18 to
23 ft - lbs.