Download Print this page

DeWalt DCD777D2T-QW Original Instructions Manual page 37

Advertisement

Available languages
  • EN

Available languages

  • ENGLISH, page 28
Worklight (Fig. A)
 5 
There is a worklight 
located just above the trigger switch 
The worklight is activated when the trigger switch is depressed.
When the trigger is released, the worklight will stay illuminated
for up to 20 seconds.
nOTE: The worklight is for lighting the immediate work surface
and is not intended to be used as a flashlight.
Keyless Single Sleeve Chuck (Fig. G, H, I)

WARNING: Do not attempt to tighten drill bits (or
any other accessory) by gripping the front part of the
chuck and turning the tool on. Damage to the chuck
and personal injury may result. Always lock off trigger
switch and remove the battery from the tool when
changing acces sories.

WARNING: Always ensure the bit is secure before starting
the tool. A loose bit may eject from tool causing possible
personal injury.
Your tool features a keyless chuck 
 15 
sleeve 
for one-handed operation of the chuck. To insert a
drill bit or other accessory, follow these steps.
1. Turn tool off and remove the battery pack.
2. Grasp the black sleeve of the chuck with one hand and
use the other hand to secure the tool. Rotate the sleeve
anticlockwise (as viewed from the front) far enough to
accept the desired accessory.
3. Insert the accessory about 19 mm into the chuck and
tighten securely by rotating the chuck sleeve clockwise
with one hand while holding the tool with the other hand.
Continue to rotate the chuck sleeve until several ratchet
clicks are heard to ensure full gripping power.
nOTE: Be sure to tighten chuck with one hand on
the chuck sleeve and one hand holding the tool for
maximum tightness.
To release the accessory, repeat steps 1 and 2 above.
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 main handle 
and the other hand holding the battery pack 
 1 
 6 
with one rotating chuck
 9 
 7 
.
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 serious personal injury,
turn tool off and disconnect tool from power source
before making any adjustments or removing/installing
attachments or accessories.

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.
 3 
1. Turn the collar
2. Select the desired speed/torque range using the gear shifter
to match the speed and torque to the 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 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.
 3 
to the desired position.
to the drill symbol.
EnGLIsH
35

Advertisement

loading

This manual is also suitable for:

Dcd778Dcd777Dcd778l2t