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DeWalt DCD790 Traducido De Las Instrucciones Originales página 23

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any adjustments or removing/installing attachments
or accessories.

WARNING: To reduce the risk of serious personal injury,
DO NOT suspend tool overhead or suspend objects from the belt
hook. ONLY hang tool's belt hook from a work belt.

WARNING: To reduce the risk of serious personal injury,
ensure the screw holding the belt hook is secure.
IMPORTanT: When attaching or replacing the belt hook or bit
clip, use only the screw 
 9 
that is provided. Be sure to securely
tighten the screw.
The belt hook 
 8 
or bit clip 
the tool using only the screw 
or right-handed users. If the hook or bit clip is not desired at all,
it can be removed from the tool.
To move belt hook or bit clip, remove the screw that holds it in
place then reassemble on the opposite side. Be sure to securely
tighten the screw.
OPERATION
Instructions for Use

WARNING: Always observe the safety instructions and
applicable regulations.

WARNING: To reduce the risk of serious personal injury,
turn tool off and disconnect battery pack before making
any adjustments or removing/installing attachments or
accessories. An accidental start-up can cause injury.
Proper Hand Position (Fig. C)

WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.

WARNING: To reduce the risk of serious personal injury,
ALWAYS hold securely in anticipation of a sudden reaction.
Proper hand position requires one hand on the top of the drill as
shown, with the other hand on the main handle 
Screwdriver Operation (Fig. D)
1. Select the desired speed/torque range using the dual
range gear selector to match the speed and torque of the
planned operation.
2. Turn the torque adjustment collar 
Lower numbers indicate lower torque settings; higher numbers
indicate higher torque settings.
3. Insert the desired fastener accessory into the chuck as you
would any drill bit.
4. Make some practice runs in scrap or on unseen areas to
determine the proper position of the clutch collar.
5. Always start with lower torque settings, then advance to
higher torque settings to avoid damage to the workpiece
or fastener.
Drill Operation (Fig. E)

WARNING: TO REDUCE THE RISK OF PERSONAL INJURY,
ALWAYS ensure workpiece is anchored or clamped firmly. If
drilling thin material, use a wood "back-up" block to prevent
damage to the material.
1. Turn the collar 
 3 
to the drill symbol.
2. Select the desired speed/torque range using the
gear shifter 
to match the speed and torque to the
 4 
planned operation.
3. For WOOD, use twist bits, spade bits, power auger bits or
hole saws. For METAL, use high-speed steel twist drill bits or
 10 
can be attached to either side of
 9 
provided, to accommodate left-
.
 15 
to the desired position.
 3 
hole saws. Use a cutting lubricant when drilling metals. The
exceptions are cast iron and brass which should be drilled dry.
4. Always apply pressure in a straight line with the bit. Use
enough pressure to keep drill biting, but do not push hard
enough to stall the motor or deflect the bit.
5. Hold tool firmly with both hands to control the twisting
action of the drill. If model is not equipped with side handle,
grip drill with one hand on the handle and one hand on the
battery pack.

CAUTION: Drill may stall if overloaded causing a sudden
twist. Always expect the stall. Grip the drill firmly to control the
twisting action and avoid injury.
6. IF DRILL sTaLLs, it is usually because it is being overloaded
or improperly used. RELEasE TRIGGER IMMEDIaTELY,
remove drill bit from work, and determine cause of stalling.
DO nOT CLICk TRIGGER On anD OFF In an aTTEMPT
TO sTaRT a sTaLLED DRILL — THIs Can DaMaGE
THE DRILL.
7. To minimize stalling or breaking through the material, reduce
pressure on drill and ease the bit through the last fractional part
of the hole.
8. Keep the motor running when pulling the bit back out of a
drilled hole. This will help prevent jamming.
9. With variable speed drills there is no need to centre punch
the point to be drilled. Use a slow speed to start the hole and
accelerate by squeezing the trigger harder when the hole is
deep enough to drill without the bit skipping out.
Hammerdrill Operation (Fig. F)
1. Turn the collar 
 3 
to the hammerdrill symbol.
2. Select the high speed setting by sliding the selector back
(away from the chuck).
IMPORTanT: Use carbide-tipped or masonry bits only.
3. Drill with just enough force on the hammer to keep it from
bouncing excessively or "rising" off the bit. Too much force will
cause slower drilling speeds, overheating and lower drilling rate.
4. Drill straight, keeping the bit at a right angle to the work. Do
not exert side pressure on the bit when drillling as this will cause
clogging of the bit flutes and a slower drilling speed.
5. When drilling deep holes, if the hammer speed starts to drop
off, pull the bit partially out of the hole with tool stil running to
help clear debris from the hole.
nOTE: A smooth, even flow of dust from the hole indicates
proper drilling rate.
MAINTENANCE
Your power tool has been designed to operate over a long
period of time with a minimum of maintenance. Continuous
satisfactory operation depends upon proper tool care and
regular cleaning.

WARNING: To reduce the risk of serious personal injury,
turn tool off and disconnect battery pack before making
any adjustments or removing/installing attachments or
accessories. An accidental start-up can cause injury.
The charger and battery pack are not serviceable.
C
Lubrication
Your power tool requires no additional lubrication.
EnGLIsH
23

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