To adjust or replace the spark plug, Service and adjustments – Sears Craftsman 536.886531 User Manual

Page 23

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SERVICE AND ADJUSTMENTS

TO ADJUST OR REPLACE
THE SPARK PLUG

Ifyou

havedifficutly

startingyoursnowthrower,you

may

need to adjust or replace the spark plug Follow the

instructions below.

Replace the spark plug if the electrodes are pitied 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:

e If you need a new spark plug, use only the proper

replacement spark plug (See page 4)

8 Set the gap to .030

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 plug to 18

to 23 ft - lbs.