Nakayama MB6000, Manual

Page: 9 / 83

EN
MAINTENANCE
In order to keep the unit in good condition, it must be checked and maintained on a regular basis. Follow the table below.
RECOMMENDED MAINTENANCE SCHEDULE
Item Daily
First month or
each 20 hours
Every 3 months or
each 50 hours
Every 6 months or
each 100 hours
Every year
or each 100
hours
Engine oil
Check level X
Change X X
Air filter
Check
X
Clean X*
Fuel filter Clean X
Spark plug Clean - Adjust X
Transmission gear oil Check level
X
Valve clearance Check - Adjust X**
Fuel tank and filter Clean X**
Clutch cable Adjust X X
Throttle cable Adjust
X
Belt tension Adjust X X
Fuel line Check Every 2 years (**) (Replace if necessary)
*: Service more frequently when used in dusty areas.
**: These items should be serviced by an authorized dealer, unless the owner has the proper tools and is mechanically proficient.
Action
Frequency
Changing oil (Fig. 27)
Drain the oil while the engine is still warm to assure rapid and complete draining.
• Remove the oil filler cap and drain the oil.
• Refill with the recommended oil and check the level.
• Wash your hands with soap and water after handling used oil.
(1) Drain plug
(2) Oil filler cap (3) Upper level
Fig. 27
Note: Dispose of used motor oil in an environmentally friendly manner. We suggest you drain used
oil into sealed containers and take them to your local service for reclamation. Do not throw the
sealed container in the trash or pour used oil on the ground.
Air filter cleaning
• Remove the wing nut and the air cleaner cover. Remove the elements and separate them. Carefully check both elements for holes or tears and replace if
damaged.
• Foam element: Clean in warm soapy water, rinse and allow to dry thoroughly or clean in high flashpoint solvent and allow to dry. Dip the element in clean
engine oil and squeeze out all the excess. The engine will smoke during initial start-up if too much oil is left in the foam.
• Paper element: Tap the element lightly several times on a hard surface to remove excess dirt or blow compressed air through the filter from the inside out.
Never try to brush the dirt off.
Warning: Never use gasoline or low flash point solvents for cleaning the air cleaner element, otherwise, a fire or explosion could result.
Caution: Never run the engine without the air cleaner. Rapid engine wear will be the result.
Fuel filter (Fig. 28)
• Turn the fuel valve to the OFF position and remove the fuel filter and the O-ring.
• Wash the removed parts in solvent, dry them thoroughly and reinstall them securely.
• Turn the fuel valve ON and check for leaks.
(1) O-ring
(2) Fuel filter
Fig. 28
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