Echo HC-151 Operator's Manual page 19

1. Remove spark plug lead and spark plug.
2. Remove (4) starter cover hex socket bolts and starter.
3. Remove bottom right (A) and bottom left (B) hex socket bolts from
cylinder cover.
4. Remove heat shield bolt (C) from the muffler cover.
5. Carefully pull cylinder cover forward disengaging muffler gasket
tabs and ignition lead and lay aside.
6. Loosely install spark plug to keep debris out of the cylinder. Use
brush to remove dirt from cylinder fins.
IMPORTANT
DO NOT use a metal scraper to remove dirt from the cylinder fins.
7. Assemble components in reverse order.
NOTE
When installing the cylinder cover, be certain the muffler gasket
tabs (D) are locked into the muffler grill slots and the stop switch
lead is seated in the rubber grommet.
H C
EDGE
O ' M
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B
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LIPPER
ANUAL
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D