Nakayama MB2000 Owner's Manual page 14

 Check the condition of the cutting cylinder, and ensure that all threaded
connections are securely tightened.
 If the tines are blunt, take it to a specialist workshop for repair if necessary.
Once per season
 Lubricate the tines and shaft.
 At the end of the season, have the appliance checked and serviced in a specialist
workshop.
Cleaning
Caution! Always clean the appliance after use. Failure to carry out proper
cleaning can result in damage to the appliance or cause it to malfunction.
Warning! Injury can occur during work on the tines. Wear protective gloves.
Whenever possible, clean the appliance straight after you have finished working on
the lawn.
 Clean the underside of the housing around the tines and the protective shield and
fender with a scrubbing brush, and brush or soft cloth dampened with a mild soap
and water mixture. Never splash with water!
 To remove soil and debris from the tines and transmission, use a stiff brush or a
dampened cloth.
 Clean the ventilator, and remove any remaining grass or dirt.
 Once cleaned, wipe the tine and shaft dry and apply a light coat of oil.
Tines Removal and Installation (Fig. 7)
Worn tines invites poor performance and overload of motor.
Check before each use the tines situation. Sharpen or replace the tines with new one
when necessary. It is recommended to do this by a specialist.
Caution! Disconnect the mains and wear protective gloves.
To remove the complete tines from the shaft:
 Remove the bolts and nuts from the tines.
 Take off the outer tine set from shaft and inner tine in sequence.
 Reverse above steps to install tines.
Checking transmission lubricant (Fig. 8)
Drain screw plug (14) is located on the right side of transmission housing.
 Lay the tiller on its left side and clean the transmission to prevent dirt and debris
before remove the drain screw.
 Using a hex key 5mm to unscrew the plug and empty the oil from the
transmission housing.
 Fill up by using a grease gun with a high-quality, automotive-grade grease until it
begins to seep out around the edge of the hole of the nozzle.
 If necessary, disassemble tines.
 Check the O-ring (A) for sign of worn and damage, replace if necessary.
 Reinstall the drain screw plug.
Storage
The appliance should be stored in a dry and clean room and out of reach of children.
During extended periods of storage, during the winter for example, ensure that the
appliance is protected against corrosion and frost.
At the end of the season, or if the appliance is not to be used for longer than a month:
 Clean the appliance.
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