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Henan Master Machinery Co., Ltd
Tel:(+86)17737606271
www.mastermachinerys.com
seats to compress the washer.
8. After the spark plug seats, tighten with a 13/16-inch spark plug wrench
to compress the sealing washer. If reinstalling the used spark plug, tighten
1/8 - 1/4 turn after the spark plug seats. If installing a new spark plug,
tighten 1/2 turn after the spark plug seats.
9. Attach the spark plug cap.
NOTICE! The recommended spark plug has the correct heat range for
normal engine operating temperatures. A loose spark plug can overheat
and damage the engine. Over tightening the spark plug can damage the
threads in the cylinder head.
CARBURETTOR ADJUSTMENT
1. Start the engine outdoors, and allow it to warm up to operating
temperature.
2. Move the throttle lever to its slowest position.
3. Turn the throttle stop screw to obtain the standard idle speed.
Standard idle speed: 1440r/min
AIR FILTER SERVICE
A dirty air filter will restrict air flow to the carburetor, reducing engine
performance. If you operate the engine in very dust areas, clean the air
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