F8
F9
F10
English
6. MAINTENANCE
WARNING
Before cleaning, inspecting, or repairing the unit, make sure that the engine has stopped and is cool.
■BLADE (F8)
•Check the blade and the fasteners for looseness, cracking, or bending.
•Check the cutting edges and reform with a flat file.
Point:
1.Keep the end corner sharp.
2.Round the root of the edge.
3.Do not use water when using a grinder.
■You need not to adjust the gap between upper blade and lower blade as this product is designed to have optimal gap when it is properly set up. (F9)
(1)Bolt
(2)Washer
(3)Spacer
(4)Nut
IMPORTANT
When mounting the blade, make sure to fasten the spacer, washer and bolt, then fasten the nut.
■SAFETY LOCK (F10) 
WARNING
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) Safety lock
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.
28