Makita BUC250 Instruction Manual page 12

The tool will automatically stop during operation if the
tool and/or battery are placed under one of the following
conditions:
Overloaded:
•
The tool is operated in a manner that causes
it to draw an abnormally high current.
In this situation, release the switch trigger on
the tool and stop the application that caused
the tool to become overloaded. Then pull the
switch trigger again to restart.
If the tool does not start, the battery is
overheated. In this situation, let the battery
cool before pulling the switch trigger again.
Low battery voltage:
•
The remaining battery capacity is too low
and the tool will not operate. In this situation,
remove and recharge the battery.
Battery remaining capacity indicator
(only for models with Battery BL3622A)
Battery BL3622A is equipped with the battery remaining
capacity indicator.
1
2
011715
Press the CHECK button to indicate the battery
remaining capacity. The indicator lamps will then light
for approx. three seconds.
Indicator lamps
Lighted Off Blinking
E
011713
When only the lowermost indicator lamp (next to the
•
"E") blinks, or when none of the indicator lamps light,
the battery capacity has run out, so the tool does not
operate. In these cases, charge the battery or
replace the empty battery with a fully charged one.
When two or more indicator lamps do not light
•
even after charging is complete, the battery has
reached the end of its service life.
1. Indicator lamps
2. CHECK button
Remaining capacity
70% to 100%
F
45% to 70%
20% to 45%
0% to 20%
Charge the battery.
The battery may have
malfunctioned.
When the upper two and lower two indicator lamps
•
light alternately,
malfunctioned.
authorized service center.
NOTE:
The indicated capacity may be lower than the
•
actual level during use or immediately after using
the tool.
Depending on the conditions of use and the
•
ambient temperature, the indication may differ
slightly from the actual capacity.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed before carrying out
any work on the tool.
Installing or removing saw chain
CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed before installing or
removing the saw chain.
Always wear gloves when installing or removing
•
the saw chain.
1. To remove the saw chain, slightly slide the lever
in the direction of arrow so that it can be released
from the locked position and move the lever in the
upright position as shown in the figure.
Fig.5
Fig.6
2. Press the lever and with the lever pressed in, turn
it counterclockwise to loosen the nut until
sprocket cover comes off. (Pressing in the lever
leads to the fitting of lever into the nut.)
3. Turn the adjusting dial counterclockwise to
release the saw chain tension.
4. Remove the sprocket cover.
5. Remove the saw chain and guide bar from the
chain saw.
6. To install the saw chain, fit in one end of the saw
chain on the top of the guide bar and the other
end of it around the sprocket.
Fig.7
At this time, fit the saw chain as shown in the figure
because it rotates in the direction of arrow.
7. Rest the guide bar in place on the chain saw
8. Turn the adjusting dial counterclockwise to slide
the adjusting pin in the direction of arrow.
Fig.8
9. Place the sprocket cover on the chain saw so that
the adjusting pin is positioned in a small hole in
the guide bar.
12
the battery may
Contact your local
have
Makita