– 22 –
Item
Routine
Pre-
operation
check
Every
6 months
or 100 Hr
12 months
or 300 Hr
Cylinder head
• Decarbonize cylinder head.
• More frequently if necessary.
After every 500 Hrs.
Valve clearance
• Check and adjust valve clearance.
Idle speed
• Check and adjust idle speed.
Recoil starter
• Check recoil starter for damage.
Fittings/fasteners
• Check all fittings and fasteners.
• Correct if necessary.
The point where abnormality was recognized by use.
1
*1····· Initial replacement of the engine oil is after one month or 20 hours of operation.
*2····· The air filter element needs to be cleaned more frequently when using in unusually wet or
dusty areas.
····· Since these items require special tools, data and technical skills, have a Yamaha dealer per-
form the service.
Summary of Contents for EF4000DFW
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Page 94: ...IMPRIMÉ EN CHINE 2014 05 1 F ...
Page 140: ...GEDRUCKT IN CHINA 2014 05 1 G ...
Page 186: ...STAMPATO IN CINA 2014 05 1 H ...
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Page 234: ...IMPRESSO NA CHINA 2014 05 1 P ...
Page 280: ...IMPRESO EN CHINA 2014 05 1 S ...
Page 326: ...GEDRUKT IN CHINA 2014 05 1 D ...
Page 372: ...DICETAK DI CINA 2014 05 1 B ...