Maintenance (continued)
50 hour maintenance
Remove and replace the fuel filter element.
Before reinstalling the new filter element, inspect the condition of all the fuel system components (fuel
CAUTION!
Make sure you do not pierce the fuel line with the end of the hooked wire. The line is delicate and can be dam- aged easily.
0XIÁHU DLQWHQDQFH
Engine Cover
Screws
Hooked wire
)XHO¿OWHUPDLQWHQDQFH)XHO¿OWHUHOHPHQW
Engine Cover
0XIÀHU&RYHU
0XIÀHU 
Screws
Gasket
Screws
Spark Arrester Spark Arrester Outlet
Screen
Cover
HU*DVNHW
Every 135 hours of operation, remove and clean the muffler.
WARNING!
Never operate the unit with DGDPDJHRUPLVVLQJPXIÀHURUVSDUN arrester! Operating with a missing or GDPDJHGVSDUNDUUHVWHULVD¿UHKD]DUG and could also damage your hearing.
If the engine becomes sluggish and low on power, check and clean the spark arrester
screen.
1.Remove the spark plug boot.
2.With a 4mm hex wrench remove the 1 muffler cover and 3 engine cover screws and the engine cover. The muf- fler cover is attached to the engine cover at the top and front by tabs. To remove push inward at arrow area while pulling outward. See insert image.
3.With a Phillips type screwdriver remove the 5 screws holding the spark arrester screen and cover to the muffler.
4.Remove the screen and clean it with a stiff bristle brush.
5.Remove the 3 muffler bolts and the muffler.
6.Inspect the cylinder exhaust port for any carbon buildup.
7.Gently tap the muffler on a wood sur- face to dislodge any loose carbon.
8.Reassemble the spark arrester, muffler and engine cover in the reverse order of disassembly.
IMPORTANT!
If you note excessive carbon buildup, consult with an authorized Shindaiwa servicing dealer.
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