DeWalt DW937 Manual De Instrucciones página 10

perature 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:
a. Check current at receptacle by plugging in a lamp or other
appliance
b. Check to see if receptacle is connected to a light switch which
turns power off when you turn out the lights.
c. Move charger and battery pack to a location where the
surrounding air temperature is approximately 65°F - 75°F
(18°- 24°C).
d. If charging problems persist, take 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.
5. Under certain conditions, with the charger plugged into 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.
6. Do not freeze or 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.
Motor
Your D WALT tool is powered by a D
E
power supply agrees with the nameplate markings.
Voltage decrease of more than 10% will cause loss of power and
overheating. All D WALT tools are factory tested; if this tool does not
E
operate, check your battery pack.
OPERATION
Switch (Variable Speed) (Fig. 2)
LOCK-OFF BUTTON AND TRIGGER SWITCH
Your saw is equipped with a lock-off button (B).
To lock the trigger switch, press the lock-off button as shown in
Figure 2. Always lock the trigger switch (A) when carrying or storing
the tool to eliminate unintentional starting. The lock-off button is
colored red to indicate when the switch is in its unlocked position.
FIG. 2
B
7
WALT-built motor. Be sure your
E
UNLOCKED
LOCKED
A