DeWalt DW937 Guide D'utilisation page 9

382815-01/DW937 5/8/02 9:21 AM
removed at any time during these charge cycles, but will only be
fully charged if the red light is continuously ON. The charger and
battery pack can be left connected with the red light glowing
indefinitely. The charger will keep the battery pack fresh and fully
charged. A battery pack will slowly lose its charge when kept out of
the charger. If the battery pack has not been kept on maintenance
charge, it may need to be recharged before use. A battery pack
may also slowly lose its charge if left in a charger that is not
plugged into an appropriate AC source.
TROUBLE INDICATORS: These chargers are designed to detect
certain problems that can arise with battery packs which would be
indicated by the red light flashing at a fast rate (and continuous
beeping for 15 Minute Chargers). If this occurs, re-insert battery
pack. If problem persists, try a different battery pack to determine if
the charger is OK. If the new pack charges correctly, then the
original pack is defective and should be returned to a service center
for recycling. If the new battery pack elicits the same trouble
indication as the original, have charger tested at an authorized
service center.
Important Charging Notes
1. Longest life and best performance can be obtained if the battery
pack is charged when the air temperature is between 65°F and
75°F (18°- 24°C). DO NOT charge the battery pack in an air
temperature below +40°F(+4.5°C), or above +105°F (+40.5°C).
This is important and will prevent serious damage to the battery
pack.
2. The charger and battery pack may become warm to touch while
charging. This is a normal condition, and does not indicate a
problem.
3. If the battery pack does not charge properly — (1) Check current at
receptacle by plugging in a lamp or other appliance, (2) Check to
see if receptacle is connected to a light switch which turns power off
when you turn out the lights. (3) Move charger and battery pack to a
location where the surrounding air temperature is approximately
65°F - 75°F (18°- 24°C). (4) If charging problems persist, take or
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SWITCH
LOCK-OFF BUTTON
FIG. 3
TRIGGER SWITCH
send the tool, battery pack and charger to your local service center.
4. The battery pack should be recharged when it fails to produce
sufficient power on jobs which were easily done previously. DO
NOT CONTINUE to use under these conditions. Follow the
charging procedure. You may also charge a partially used pack
whenever you desire with no adverse affect on the battery pack.
6. Do not immerse charger in water or any other liquid.
WARNING: Don't allow any liquid to get inside charger. Electric
shock may result. To facilitate the cooling of the battery pack after
use, avoid placing the charger or battery pack in a warm
environment such as in a metal shed, or an uninsulated trailer.
CAUTION: Never attempt to open the battery pack for any
reason. If the plastic housing of the battery pack breaks or cracks,
return to a service center for recycling.
Operation
Switch (Variable Speed) (Fig. 3)
SWITCH LOCK-OFF BUTTON
Your saw switch is equipped with a lock-off button. To lock the
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LOCKED
UNLOCKED