135-HOUR MAINTENANCE
Every 135 hours of operation,
remove and clean the muffler.
Muffler Body
Remove the Engine Cover | First, remove the |
| Muffler Screw | ||
Engine Cover | spark plug |
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| Retaining Tab | |
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Engine |
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| Cover |
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| Arrester | 48016D |
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| Screen |
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| 5 mm |
| 6 mm | |
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| Lower |
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Remove four Allen- 48018 | Screw |
| Muffler | ||
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| Screws | |||
head capscrews |
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| Figure 15 |
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| Gasket |
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WARNING! |
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| Exhaust |
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Never operate the machine with |
| Tube |
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a damaged or missing muffler |
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| Tail Cap |
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or spark arrester! Operating with |
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missing or damaged exhaust com- |
| Mounting |
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ponents is a fire hazard and could |
| Screws | Figure 16 | ||
also damage your hearing. |
| 5. Use a plastic scraper or wire brush to | |||
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Remove the Muffler. |
| remove carbon deposits from the arrester | |||
1. Remove the spark plug. |
| screen, exhaust tube and tail cap. | |||
| 6. Inspect the screen carefully, and replace | ||||
2 Use the 4mm Allen wrench to remove | |||||
any screen that has been perforated, dis- | |||||
the four engine cover screws , and | |||||
torted, or is otherwise unserviceable. | |||||
then slide the cover from the engine | |||||
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taking care not to misplace the cyl- | 7. Gently tap the muffler on a wood surface | ||||
to dislodge any loose carbon. | |||||
figure 15. |
| 8. Inspect the cylinder exhaust port for | |||
3. Pry the muffler screw retaining | |||||
carbon buildup. |
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tabs away from the screw heads and |
| IMPORTANT! | |||
remove the two 6 mm muffler screws. |
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Remove the 5 mm lower muffler | If you note excessive carbon buildup, con- | ||||
screw, then remove the muffler assem- | sult your servicing dealer. |
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bly from the engine. See figure 16. | 9. Reassemble the muffler in the reverse | ||||
Remove the Spark Arrester. |
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| order of disassembly. |
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4. Use the screwdriver to remove the |
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| IMPORTANT! | ||||
three exhaust tube mounting screws, |
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and then remove the tail cap, exhaust | Reset the muffler screw retaining tabs to | ||||
tube, gasket, and arrester screen. See | prevent the muffler screws from loosening. | ||||
figure 16. |
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15