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5
7. Be careful not to drop, shake or strike battery.
8. Do not charge inside a box or container of any
kind. The battery must be placed in a well venti-
lated area during charging.
SPECIFIC SAFETY RULES
GEB003-2
DO NOT let comfort or familiarity with product
(gained from repeated use) replace strict adherence
to hammer drill safety rules. If you use this power
tool unsafely or incorrectly, you can suffer serious
personal injury.
1. Wear ear protectors with impact drills. Exposure
to noise can cause hearing loss.
2. Use auxiliary handles supplied with the tool.
Loss of control can cause personal injury.
3. Hold power tools by insulated gripping surfaces
when performing an operation where the cutting
tool may contact hidden wiring or its own cord.
Contact with a “live” wire will make exposed metal
parts of the tool “live” and shock the operator.
4. Always be sure you have a firm footing.
Be sure no one is below when using the tool in
high locations.
5. Hold the tool firmly with both hands.
6. Keep hands away from rotating parts.
7. Do not leave the tool running. Operate the tool
only when hand-held.
8. Do not touch the bit or the workpiece immedi-
ately after operation; they may be extremely hot
and could burn your skin.
9. Some material contains chemicals which may be
toxic. Take caution to prevent dust inhalation
and skin contact. Follow material supplier safety
data.
SAVE THESE INSTRUCTIONS.
WARNING:
MISUSE or failure to follow the safety rules stated in
this instruction manual may cause serious personal
injury.
OPERATING INSTRUCTIONS
Installing or removing battery cartridge (Fig. 1)
• Always switch off the tool before insertion or removal of
the battery cartridge.
• To remove the battery cartridge, withdraw it from the
tool while sliding the button on the side of the cartridge.
• To insert the battery cartridge, align the tongue on the
battery cartridge with the groove in the housing and slip
it into place. Always insert it all the way until it locks in
place with a little click. If you can see the red part on
the upper side of the button, it is not locked completely.
Insert it fully until the red part cannot be seen. If not, it
may accidentally fall out of the tool, causing injury to
you or someone around you.
• Do not use force when inserting the battery cartridge. If
the cartridge does not slide in easily, it is not being
inserted correctly.
Charging (Fig. 2)
1. Plug the battery charger into your power source. Two charging lights will flash in green color repeatedly.
2. Insert the battery cartridge into charger until it stops adjusting to the guide of charger. Terminal cover of charger
opens when inserting and closes when pulling out the battery cartridge.
3. When the battery cartridge is inserted, the charging light color will change from green to red and charging will
begin. The charging light will keep lighting up lit steadily during charging. One red charging light indicates charged
condition in 0 – 80% and two red ones indicates 80 – 100%.
4. With finish of charge, the charging lights will change from two red ones to two green ones.
The charging time is as follows:
5. If you leave the battery cartridge in the charger after the charging cycle is complete, the charger will switch into its
“trickle charge (maintenance charge)” mode which will last approximately 24 hours.
6. After charging, unplug the charger from the power source.
Cooling system (DC24SA only)
• This charger is equipped with cooling fan for heated battery in order to enable the battery to prove its own perfor-
mance. Sound of cooling air comes out during cooling, which means no trouble on the charger.
• Yellow light will flash for warning in the following cases.
– Trouble on cooling fan
– Incomplete cool down of battery, such as, being clogged with dust
The battery can be charged in spite of the yellow warning light. But the charging time will be longer than usual in this
case. Check the sound of cooling fan, vent on the charger and battery, which can be sometime clogged with dust.
• The cooling system is in order although no sound of cooling fan comes out, if the yellow warning light is not flashing.
• Always keep the vents on charger and battery clean and clear of any obstructions for cooling.
• The products should be sent for repair or maintenance to a Makita service center, if the yellow warning light keeps
flashing.
Battery type Capacity (mAh) Number of cells
Charging time
(DC24SA)
Charging time
(DC24WA)
BH2420(Ni-MH) 2,000 20 Approx. 30 min. Approx. 55 min.
BH2433(Ni-MH) 3,300 20 Approx. 60 min. Approx. 90 min.