Makita BJR240 User Manual download pdf (Page 6)

lem. 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 oper-

ated 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. (DC24SA only) 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 dam-

aged.

Cooling system (DC24SA only)

• 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 mainte-

nance, if the yellow warning light will frequently

flash.

Conditioning charge (DC24SA only)

Conditioning charge can extend the life of battery by

automatically searching the optimum charging condition

for the batteries in every situations.

The battery employed in the following conditions repeat-

edly, 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.)

The charging time of such battery is longer than usual.

Trickle charge (Maintenance charge)

If you leave the battery cartridge in the charger to prevent

spontaneous discharging after full charge, the charger

will switch into its “trickle charge (maintenance charge)”

mode and keep the battery cartridge fresh and fully

charged.

Tips for maintaining maximum battery life

1. Charge the battery cartridge before completely dis-

charged.

• Always stop tool operation and charge the bat-

tery 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.

4. Charge the Nickel Metal Hydride battery cartridge

when you do not use it for more than six months.

Adjusting the shoe

When the blade loses its cutting efficiency in one place

along its cutting edge, reposition the shoe to utilize a

sharp, unused portion of its cutting edge. This will help to

lengthen the life of the blade. To reposition the shoe,

loosen the lever counterclockwise and slide the shoe for-

ward or back to the desired position. Then tighten the

lever clockwise to firmly secure the shoe.

Switch action

CAUTION:

• Before inserting the battery cartridge into the tool,

always check to see that the switch trigger actuates

properly and returns to the “OFF” position when

released.

1. Lever

2. Shoe

1. Lock-off button

2. Switch trigger

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Makita BJR240 User Manual Page 6

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