Makita 1912T0-4 Manual De Instrucciones página 14

Grinding the shear blades
NOTICE:
If the shear blades have considerably
deformed by grinding, replace the shear blades
with new ones.
1. Install the battery cartridge to the tool.
2. Turn on and start the tool so that the upper blade
and lower blade are positioned alternately.
► Fig.35
3.
Turn off the tool and remove the battery cartridge
from the tool.
4. Remove the screws and nut, and then remove the
tip guard from the shear blades.
► Fig.36: 1. Screw 2. Nut 3. Tip guard
TROUBLESHOOTING
Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual,
do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace-
ment parts for repairs.
State of abnormality
Motor does not start.
Motor stops soon.
Motor speed does not increase.
Shear blades do not move:
stop the machine immediately!
Abnormal vibration:
stop the machine immediately!
Shear blades and motor cannot stop:
Remove the battery immediately!
OPTIONAL ACCESSORIES
CAUTION:
These accessories or attachments
are recommended for use with your Makita
machine specified in this manual. The use of any
other accessories or attachments might present a risk
of injury to persons. Only use accessory or attach-
ment for its stated purpose.
If you need any assistance for more details regard-
ing these accessories, ask your local Makita Service
Center.
• Shear blade assembly
• Grease vessel
• Makita genuine battery and charger
NOTE: Some items in the list may be included in the
product package as standard accessories. They may
differ from country to country.
Probable cause (malfunction)
-
-
-
Foreign objects are caught between the
shear blades.
The drive system does not work
correctly.
Shear blades are broken, bent or worn.
The drive system does not work
correctly.
Electric malfunction.
14 ENGLISH
5. Set the angle of a file to 45°, and grind the upper
blade from 3 directions with the file.
► Fig.37: (1) File (2) 45°
CAUTION:
Before grinding the shear blades,
make sure that the tool is switched off and the
battery cartridge is removed from the tool.
6. Place the tool upside down, and then remove the
burrs from the shear blades with the dressing stone.
► Fig.38: 1. Dressing stone
7. Set the angle of the file to 45°, and grind the lower
blade from 3 directions with the file.
8.
Return the tool to normal position, and then remove the
burrs from the shear blades with the dressing stone.
9. Attach the tip guard by tightening the screws and
nut.
Remedy
Refer to the instruction manual of the power unit.
Refer to the instruction manual of the power unit.
Refer to the instruction manual of the power unit.
Switch off the tool and remove the battery cartridge,
and then remove the foreign objects using tools
such as pliers.
Ask your local authorized service center for repair.
Replace the shear blades.
Ask your local authorized service center for repair.
Remove the battery and ask your local authorized
service center for repair.