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8. Maintenance
English
■ SHARPENING (MA8)
Always keep the file or sharpener at an angle of 45° to
the blade, and:
• Always grind in the direction of the cutting edge;
• Note: files cut only in one direction; lift the file from
the blade when returning to start a new pass;
• Remove all burr from the edge of the blade with a
slip stone;
• Remove as little material as possible;
• Before refitting the sharpened blades, remove filings
and then apply grease.
Do not try to sharpen a damaged blade: change it or
take it to a Service dealer.
■ SAFETY LOCK (MA7)
•Stop operation when the safety lock is defective.
• Safety lock is the device not to accelerate the throttle
lever without intention. While pushing the safety
lock, you can accelerate the throttle lever.
1. Check if the throttle lever does not move when you
do not push the safety lock.
2. Check if the throttle lever moves when you grasp or
release it while pushing the safety lock.
3. Check if the safety lock returns to its original position
when you release your hand from safety lock.
• If you find any defects at the checks above, contact
your nearest servicing dealer for repair.
(1) Safety lock
■ REDUCTION GEARBOX
Refill gear housing every 50 working hours (MA9).
Use greese pump. Feed greese until it comes out of
the base of blades.
Grease nipple: A type
WARNING
MA9
MA8
(1)
MA7