135-hour Maintenance
Every 135 hours of operation,
remove and clean the muffler.
WARNING!
Never operate this trimmer with a damaged or missing muffler or spark arrester! Operating with missing or damaged exhaust components is a fire hazard, and can also damage your hearing!
1.Remove the spark plug boot.
2.With a 3 mm hex wrench remove the 1 muffler cover and 3 engine cover screws and the engine cover. See Figure 30.
3.With a Phillips type screwdriver remove the 5 screws holding the spark arrester screen and cover to the muffler. See Figure 30.
4.Remove the screen and clean it with a stiff bristle brush.
5.With a 4 mm hex wrench remove the 3 muffler bolts and the muffler.
See Figure 30.
6.Inspect the cylinder exhaust port for any carbon buildup.
7.Gently tap the muffler on a wood surface to dislodge any loose carbon.
Engine Cover | Engine |
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Cover |
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Screws |
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| Muffler |
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| Cover |
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| Muffler |
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| Cover Screw |
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| Muffler |
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| Muffler | Screws |
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| Gasket | Screws | |
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| Muffler | Spark Arrester | Spark Arrester | Outlet |
| Gasket | Screen | Cover |
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Figure 30 |
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| 8. Reassemble the spark arrester, muffler | |
IMPORTANT! | ||
If you note excessive carbon buildup, consult | and engine cover in the reverse order of | |
disassembly. | ||
with an authorized Shindaiwa servicing dealer. | ||
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