head, top of piston and around valves. Use a soft brush to remove the deposits. Reassemble gasket and cylinder head. Turn screws down
,_ WARNING: Temperature of muffler and nearby areas may exceed 150 ° F(65°C).
Avoid these areas.
Spark Plug
•Clean the spark plug and reset the gap to .030" at least once a season or every 50 hours of operation. See Figure 16. Spark plug replacement is recommended at the start of each season. Refer to engine parts list for correct spark plug type.
Figure 16
NOTE: Do not sandblast spark plug. Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent.
Muffler
WARNING: Do not operate the chipper- shredder without a muffler, or tamper with the exhaust system. Damaged mufflers or spark arresters could create s fire hazard.
•Inspect periodically, and replace if necessary. If your engine is equipped with a spark arrester screen assembly, remove every 50 hours for cleaning and inspection. Replace if damaged•
disconnect spark plug wire, and move it
_lb WARNING: Always stop engine,
away from spark plug before performing any adjustments or repairs.
Lubrication
Lubricate the pivot points on the release bar, hopper assembly, chute deflector and chipper chute once a season using a light oil. See Figure 17.
Figure 17
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