Makita UR140D Instruction Manual page 10

Tips for maintaining maximum battery life
1. Charge the battery cartridge before completely
discharged.
Always stop tool operation and charge the battery
cartridge when you notice less tool power.
2. Never recharge a fully charged battery cartridge.
Overcharging shortens the battery service life.
3. Charge the battery cartridge with room
temperature at 10°C - 40°C (50°F - 104°F). Let a hot
battery cartridge cool down before charging it.
PARTS DESCRIPTION (Fig. 4)
FUNCTIONAL DESCRIPTION
WARNING:
• Always be sure that the tool is switched off and
battery cartridge is removed before adjusting or
checking function on the tool. Failure to switch off
and remove the battery cartridge may result in serious
personal injury from accidental start-up.
Installing or removing battery cartridge
(Fig. 5)
CAUTION:
• Always switch off the tool before installing or removing
of the battery cartridge.
• Hold the tool and the battery cartridge firmly when
installing or removing battery cartridge. Failure to
hold the tool and the battery cartridge firmly may cause
them to slip off your hands and result in damage to the
tool and battery cartridge and a personal injury.
To remove the battery cartridge, slide it from the tool while
sliding the button on the front of the cartridge.
To install the battery cartridge, align the tongue on the
battery cartridge with the groove in the housing and slip it
into place. Insert it all the way until it locks in place with a
little click. If you can see the red indicator on the upper
side of the button, it is not locked completely.
CAUTION:
• Always install the battery cartridge fully until the red
indicator cannot be seen. If not, it may accidentally fall
out of the tool, causing injury to you or someone
around you.
• Do not install the battery cartridge forcibly. If the
cartridge does not slide in easily, it is not being inserted
correctly.
Indication lamp
The lamp blinks in red.
The lamp lights up in red.
(Note 1)
The lamp lights up in red.
(Note 1)
Note 1: The time at which the indication lamp lights up varies by the temperature around the work area and the battery
cartridge conditions.
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Battery protection system
The tool is equipped with a battery protection system.
This system automatically cuts off power to the motor to
extend battery life.
The tool will automatically stop during operation if the tool
and/or battery are placed under one of the following
conditions:
• Overloaded:
• Low battery voltage:
Power switch action
• Before inserting the battery cartridge in the tool,
To prevent the switch trigger from being accidentally
pulled, a lock-off button is provided.
To start the tool, move the lock-off button forward and pull
the switch trigger. Release the switch trigger to stop.
(Fig. 6)
Indication lamp (Fig. 7)
Running the tool allows the indication lamp to show the
battery cartridge capacity status.
When the tool is also overloaded and has stopped during
operation, the lamp lights up in red.
Refer to the following table for the status and action to be
taken for the indication lamp.
Status
This indicates the appropriate time to
replace the battery cartridge when the
battery power becomes low.
This function works when the battery
power is almost used up. At this time,
tool stops immediately.
Autostop due to overload.
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 trigger switch
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.
The remaining battery capacity is too low and the tool
will not operate. If you pull the switch trigger, the
motor runs again but stops soon.
In this situation, remove and recharge the battery.
WARNING:
always check to see that the switch trigger
actuates properly and returns to the "OFF"
position when released. Do not pull the switch
trigger hard without pressing in the lock-off button.
This can cause switch breakage. Operating a tool
with a switch that does not actuate properly can lead to
loss of control and serious personal injury.
Recharge the battery cartridge as soon
as possible.
Recharge the battery cartridge.
Turn off the tool.
Action to be taken