Maintenance Instructions | CLEANING |
Rotating
Engine Air
Intake Screen
Engine Air Intake Screen
Cylinder Head Cooling Fins
It is essential for performance and longevity of the
DANGER
Make sure to keep hands clear of exhaust pipe, muffler, and moving parts when checking airflow.
NOTE: The planned maintenance schedule calls for cleaning the cylinder head cooling fins yearly or every 300 hours as a minimum.
Exhaust Shroud
Check for Airflow
Cooling System Airflow
1.Remove the exhaust shroud by removing the two (2) bolts and one (1) nut as shown in the
Inspect and Clean Cylinder Head Cooling Fins photo on the following page. Clean the accessible cooling fins by blowing with com- pressed air. If the buildup is excessive, refer to step 2; if the buildup is not excessive, reinstall the exhaust shroud.
2.Remove the spark plug wire and disconnect the breather tube on the valve cover. Do not dis- connect the breather tube from the carburetor side. Remove the cylinder head shroud by removing the four (4) bolts, as shown in the
Inspect and Clean Cylinder Head Cooling Fins photo. Cover the breather tube end and spark plug boot before cleaning out the cooling fins. Clean the cooling fins by blowing with com- pressed air. If the buildup is excessive, use a piece of wire to probe into the fins for cleaning.
3.Reinstall the shrouds by reversing the preceding steps. Start the engine and confirm the cooling airflow.
Exhaust Shroud |
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Nut (not visible) |
| Wire |
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and Bolts |
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| Shroud Bolts | ||
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Cylinder Head Shroud |
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Bolts (not visible) | Breather Tube |
Inspect and Clean
Cylinder Head Cooling Fins
(viewed from left side of tractor)
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