Overload Protection; Overheat Protection; Overdischarge Protection; Switch Action - Makita DDF458ZJ Instruction Manual

NOTE: Depending on the conditions of use and the
ambient temperature, the indication may differ slightly
from the actual capacity.
NOTE: The first (far left) indicator lamp will blink when
the battery protection system works.
Tool / battery protection system
The tool is equipped with a tool/battery protection system. This
system automatically cuts off the power to extend tool and bat-
tery life. The tool will automatically stop during operation if the
tool or battery is placed under one of the following conditions:

Overload protection

This protection works when the tool is operated in a manner
that causes it to draw an abnormally high current. In this situ-
ation, turn the tool off and stop the application that caused the
tool to become overloaded. Then turn the tool on to restart.

Overheat protection

This protection works when the tool or battery is over-
heated. In this situation, let the tool and battery cool
before turning the tool on again.

Overdischarge protection

This protection works when the remaining battery
capacity gets low. In this situation, remove the battery
from the tool and charge the battery.
Indicating the remaining battery capacity
► Fig.3: 1. Button 2. Battery indicator
With the tool stopped, press the button on the switch
panel. The remaining battery capacity will be displayed
on the battery indicator.
The remaining battery capacity is shown as the following table.
Battery indicator status
NOTE: Before checking the remaining battery capac-
ity, be sure to stop the tool.

Switch action

► Fig.4: 1. Switch trigger
CAUTION:
Before installing the battery car-
tridge into the tool, always check to see that the
switch trigger actuates properly and returns to
the "OFF" position when released.
To start the tool, simply pull the switch trigger. Tool
speed is increased by increasing pressure on the switch
trigger. Release the switch trigger to stop.
Remaining battery capacity
50% to 100%
20% to 50%
0% to 20%
Lighting up the front lamp
► Fig.5: 1. Lamp
CAUTION:
Do not look in the light or see the
source of light directly.
Pull the switch trigger to light up the lamp. The lamp
keeps on lighting while the switch trigger is being pulled.
The lamp goes out approximately 10 seconds after
releasing the switch trigger.
NOTE: Use a dry cloth to wipe the dirt off the lens of
the lamp. Be careful not to scratch the lens of lamp, or
it may lower the illumination.
Reversing switch action
► Fig.6: 1. Reversing switch lever
CAUTION:
Always check the direction of
rotation before operation.
CAUTION:
Use the reversing switch only after
the tool comes to a complete stop. Changing the
direction of rotation before the tool stops may dam-
age the tool.
CAUTION:
When not operating the tool,
always set the reversing switch lever to the neu-
tral position.
This tool has a reversing switch to change the direction
of rotation. Depress the reversing switch lever from the
A side for clockwise rotation or from the B side for coun-
terclockwise rotation.
When the reversing switch lever is in the neutral posi-
tion, the switch trigger cannot be pulled.
Speed change
► Fig.7: 1. Speed change lever
CAUTION:
Always set the speed change lever
fully to the correct position. If you operate the
tool with the speed change lever positioned halfway
between the "1" side and "2" side, the tool may be
damaged.
CAUTION:
Do not use the speed change lever
while the tool is running. The tool may be damaged.
Position of Speed
speed
change lever
1
2
To change the speed, switch off the tool first. Select
the "2" side for high speed or "1" for low speed but high
torque. Be sure that the speed change lever is set to the
correct position before operation.
If the tool speed is coming down extremely during the
operation with "2", slide the lever to the "1" and restart
the operation.
7 ENGLISH
Torque
Low High
High Low
Applicable
operation
Heavy load-
ing operation
Light loading
operation