Spark Plug Maintenance; Air Filter Maintenance - Murray 866015 Operator's Manual

Spark Plug Maintenance

Changing the spark plug will help the engine to start easier
and run better.
1. Clean area around spark plug.
2. Remove and inspect spark plug (a, Figure 23).
3. Check the gap with wire feeler gauge (B) and reset to
recommended gap if necessary (see Specifications).
4. Replace spark plug if electrodes are pitted or burned, or
the porcelain is cracked.
5. Install spark plug and tighten to 180 lb. in. (20 Nm).
a
B
Figure 23
MaINTeNaNce

air Filter Maintenance

NOTIce: Do not use pressurized air or solvents to clean the
filter. Pressurized air can damage the filter and solvents will
dissolve the filter.
1. Remove air cleaner cover (a, Figure 24) and the filter
element (B).
a
0.7 mm
Figure 24
2. Wash foam element in liquid detergent and water to
remove dirt.
3. Wrap foam element in a clean cloth and squeeze dry.
4. Saturate foam element with clean engine oil. Squeeze
to remove excess oil.
5. Reassemble air cleaner.
NOTIce: Make sure the air filter element and cover are
fitted correctly. Warranty coverage will be void if engine is
damaged due to incorrect installation of filter.
21
WaRNING Gasoline and its vapors are extremely
flammable and explosive.
Fire or explosion can cause severe burns or death.
• Never start or run the engine with the air cleaner
assembly or the air filter removed.
B