DeWalt DW974 Instruction Manual page 8

385360/DW974 etc 5/2/02 11:25 AM
3. (DW9115) This charger has an internal temperature limit that,
when exceeded, will temporarily stop the full charge current. This
is indicated by the yellow light being ON. The normal charge cycle
will resume when the temperature falls below the preset limit and
will be indicated by the yellow light turning OFF. The charge time
may be extended beyond the normal 15 minutes. Use the charger
in normal room temperatures whenever possible. To prevent
overheating, do not cover the charger and do not charge battery
packs in direct sunlight or near heat sources.
4. 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 send the tool, battery pack and charger to your
local service center.
5. 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. Under certain conditions, with the charger plugged in to the power
supply, the exposed charging contacts inside the charger can be
shorted by foreign material. Foreign materials of a conductive
nature such as, but not limited to, steel wool, aluminum foil, or any
buildup of metallic particles should be kept away from charger
cavities. Always unplug the charger from the power supply when
there is no battery pack in the cavity. Unplug charger before
attempting to clean.
7. Do not freeze or immerse charger in water or any other liquid.
8. 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.
9. CAUTION: Never attempt to open the battery pack for any
Page 5
Important!
This product is not user servicable. There are no user servicable
parts inside the charger. Servicing at an authorized service center is
required to avoid damage to static sensitive internal components.
READ ALL OF THE INSTRUCTIONS IN THE BATTERY CHARGER
SECTION OF THIS MANUAL BEFORE ATTEMPTING TO
CHARGE THE BATTERY PACK FOR YOUR TOOL.
Always use correct battery pack (pack supplied with tool or
replacement pack exactly like it.) Never install any other battery pack.
It will ruin your tool and may create a hazardous condition.
5
reason. If the plastic housing of the battery pack breaks or cracks,
return to a service center for recycling.
Depress for Forward
Depress for Reverse
TRIGGER
SWITCH
Locked
FIG. 4