DeWalt DC820 Manuel d'instructions télécharger pdf (Page 8)

• An extension cord must have adequate wire size (AWG or American Wire

Gauge) for safety. The smaller the gauge number of the wire, the greater the

capacity of the cable, that is 16 gauge has more capacity than 18 gauge. An

undersized cord will cause a drop in line voltage resulting in loss of power and

overheating. When using more than one extension to make up the total length,

be sure each individual extension contains at least the minimum wire size. The

following table shows the correct size to use depending on cord length and

nameplate ampere rating. If in doubt, use the next heavier gauge. The smaller the

gauge number, the heavier the cord.

• Do not place any object on top of charger or place the charger on a soft

surface that might block the ventilation slots and result in excessive internal

heat. Place the charger in a position away from any heat source. The charger is

ventilated through slots in the top and the bottom of the housing.

• Do not operate charger with damaged cord or plug.

• Do not operate charger if it has received a sharp blow, been dropped, or

otherwise damaged in any way. Take it to an authorized service center.

• Do not disassemble charger; take it to an authorized service center when

service or repair is required. Incorrect reassembly may result in a risk of

electric shock, electrocution or fire.

• Disconnect the charger from the outlet before attempting any cleaning. This

will reduce the risk of electric shock. Removing the battery pack will not reduce

this risk.

• NEVER attempt to connect 2 chargers together.

• The charger is designed to operate on standard 240V household electrical

power. Do not attempt to use it on any other voltage. This does not apply to the

vehicular charger.

Using Automatic Tune-Up™ Mode

The automatic Tune-Up™ Mode equalizes or balances the individual cells in the

battery pack allowing it to function at peak capacity. Battery packs should be tuned up

weekly or after 10 charge/discharge cycles or whenever the pack no longer delivers

the same amount of work. To use the automatic Tune-Up™, place the battery pack

in the charger and leave it for at least 8 hours. The charger will cycle through the

following modes.

1. The red light will blink continuously indicating that the 1-hour charge cycle has

started.

2. When the 1-hour charge cycle is complete, the light will stay on continuously and

will no longer blink. This indicates that the pack is fully charged and can be used

at this time.

3. If the pack is left in the charger after the initial 1-hour charge, the charger will

begin the Automatic Tune-Up mode. This mode continues up to 8 hours or until

the individual cells in the battery pack are equalized. The battery pack is ready for

use and can be removed at any time during the Tune-Up mode.

4. Once the Automatic Tune Up mode is complete, the charger will begin a

maintenance charge; the red indicator will remain lit.

Chargers

Your tool uses a DEWALT 7.2, 9.6, 12, 14.4, 18 Volt charger. Be sure to read all safety

instructions before using your charger. Consult the chart at the end of this manual for

compatibility of chargers and battery packs.

FIG. 1

Charging Procedure (Fig. 1)

DANGER: Electrocution hazard. 240 volts present at charging terminals. Do not

probe with conductive objects. Danger of electric shock or electrocution.

1. Plug the charger into an appropriate outlet before inserting battery pack.

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DeWalt DC820 Manuel d'instructions Page 8

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