MTD 41M ユーザーズマニュアル

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Engine Maintenance
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WARNING: 
Shut off the engine before performing 
any maintenance. To prevent accidental start-up, 
disconnect the spark plug boot.
IMPORTANT: If engine must be tipped to transport equipment 
or to inspect or remove grass, keep spark plug side of engine 
up. Transporting or tipping engine spark plug down may cause 
smoking, hard starting, spark plug fouling, or oil saturation of air 
cleaner.
Periodic inspection and adjustment of the engine is essential 
if high level performance is to be maintained. Regular 
maintenance will also ensure a long service life. The required 
service intervals and the kind of maintenance to be performed 
are described in the table below. Follow the hourly or calendar 
intervals, whichever occur first. More frequent service is required 
when operating in adverse conditions.
WARNING: 
If the engine has been running, the 
muffler will be very hot. Be careful not to touch the 
muffler.
† Service more frequently when used in dusty areas.
†† Every season or 25 hours if operating under heavy load or high ambient temperature.
Maintenance Schedule
First 5 Hours
Each Use or 
Every 5 Hrs.
Every Season 
or 25 Hours
Every Season   
or 50 Hours
Every Season 
or 100 Hours
Service 
Dates
Check Engine Oil Level
P
Change Engine Oil ††
P
P
Check Air Cleaner
P
Service Air Cleaner †
P
Check Spark Plug
P
Replace Spark Plug
P
Clean Engine Shroud
P
Clean around muffler
P
Replace Fuel Filter
P