Fubag TI 3003 [20/54] Operator s manual

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Fubag Operator s manual www fubag ru 3 Spark plug service To ensure proper engine operation the spark plug must be properly gapped and free of deposits 1 Remove the spark plug cover 2 Remove the spark plug cap 3 Clean any dirt from around the spark plug base 4 Use the wrench to remove the spark plug 0 6 0 7 MM 5 Visually inspect the spark plug Discard it if the insulator is cracked or chipped Clean the spark plug with a wire brush if it is to be reused 6 Measure the plug gap with a feeler gauge The gap should be 0 6 0 7 mm Correct as necessary by carefully bending the side electrode 7 Install the spark plug carefully by hand to avoid cross threading 8 After a new spark plug has been seated by hand it should be tightened 1 2 turn with a wrench to compress its washer If a used plug is being reinstalled it should only require 1 8 to 1 4 turn after being seated 9 Reinstall the spark plug cap on the spark plug securely 10 Reinstall the spark plug maintenance cover The spark plug must be securely tightened An improperly tightened plug can become very hot and possibly damage the generator Never use a spark plug with an improper heat range CAUTION Never use a spark plug without damping resistance or it will cause no AC output A 19

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