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Makita BTW151 Manual

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5. Hold the tool firmly.
6. Always be sure you have a firm footing.
7. Be sure no one is below when using the tool in high
locations.
8. The proper fastening torque may differ depending
upon the kind or size of the bolt. Check the torque
with a torque wrench.
SAVE THESE INSTRUCTIONS.
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 the proper A/C voltage 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 can be
opened with inserting and closed with 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.
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. Refer to the table below for the charging time.
Battery type Capacity (mAh) Number of cells Charging time
BH1420 2,000 12 Approx. 30 min.
BH1433 3,300 12 Approx. 50 min.
NOTE:
•
The battery charger is for charging Makita-battery cartridge.
Never use it for other purposes or for other manufacturer’s
batteries.
•
When you charge a new battery cartridge or a battery
cartridge which has not been used for a long period of time,
it may not accept a full charge. This is a normal condition
and does not indicate a problem. You can recharge the
battery cartridge fully after discharging it completely and
recharging a couple of times.
•
If you charge a battery cartridge from a just-operated tool or
battery cartridge which has been left in a location exposed
to direct sunlight for a long time, the charging light may flash
in red color. If this occurs, wait for a while. Charging will
begin after the battery cartridge is cooled by the cooling fan
installed in the charger. When the temperature on battery is
more than approx. 70°C, two charging lights may flash in
red color, and when approx. 50°C – 70°C, one charging light
in red color.
•
If the charging light flashes alternately in green and red
color, charging is not possible. The terminals on the charger
or battery cartridge are clogged with dust or the battery
cartridge is worn out or damaged.
Cooling system
•
This charger is equipped with cooling fan for heated battery
in order to enable the battery to prove its own performance.
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 will not flash.
•
Always keep clean the vent on charger and battery for
cooling.
•
The products should be sent to repair or maintenance, if the
yellow warning light will frequently flash.
Conditioning charge
Conditioning charge can extend the life of battery by automati-
cally searching the optimum charging condition for the batter-
ies in every situation.
The battery employed in the following conditions repeatedly,
will be worn out shortly, and yellow warning light may flash.
1. Recharge of battery with its high temperature
2. Recharge of battery with its low temperature
3. Recharge of full charged battery
4. Over-discharge of battery (continue to discharge battery
in spite of down of power.)
5. Recharge under broken cooling system
The charging time of such battery is longer than usual.
5
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