DeWalt DCH254 Traduction De La Notice D'instructions Originale page 40

EnGLIsH
nOTE: The fuel gauge is only an indication of the charge left on
the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end-user application.
Side Handle (Fig. A)

WARNING: To reduce the risk of personal injury, ALWAYS
operate the tool with the side handle properly installed.
Failure to do so may result in the side handle slipping
during tool operation and subsequent loss of control. Hold
tool with both hands to maximize control.
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The side handle clamps to the front of the gear case and
may be rotated 360˚ to permit right- or left-hand use. The side
handle must be tightened sufficiently to resist the twisting
action of the tool if the accessory binds or stalls. Be sure to grip
the side handle at the far end to control the tool during a stall.
To loosen side handle, rotate counterclockwise.
To Adjust the Depth Rod (Fig. C)
1. Push in and hold the depth rod release button
side handle.
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2. Move the depth rod
end of the rod and the end of the bit equals the desired
drilling depth.
3. Release the button to lock rod into position. When drilling
with the depth rod, stop when end of rod reaches surface
of material.
Utility Hook (Fig. A, D)
DCH273, DCH274, DCH283
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A utility hook is fitted below the main handle
side of the tool. To extend the utility hook pull it out from the
side of the tool. To store the utility hook push it back flush with
the side of the tool. If use of the hook is not desired at all, it can
be removed completely.
To Remove and/or Reinstall the
Utility Hook
1. Position the utility hook into the extended position and
remove the hex head screw located on the underside of the
main handle.
2. Pull out the utility hook until it is free from the unit.
3. To reinstall, insert the utility hook into the the slot below the
main handle. nOTE: On the DCH273 and DCH274 models
the hook can be installed on either side of the handle. The
slot may be covered with a sticker. Either remove the sticker
or pierce the sticker to expose the slot underneath.
4. Re-insert the hex screw and tighten securely.
Bit and Bit Holder

WARNING: Burn Hazard. ALWAYS wear gloves when
changing bits. Accessible metal parts on the tool and bits
may get extremely hot during operation. Small bits of
broken material may damage bare hands.
The hammerdrill can be fitted with different bits depending on
the desired application. Use sharp drill bits only.
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on the
so the distance between the
8
on the left
Bit Reccomendations
• 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.
• For masonry, such as brick, cement, cinder block, etc., use
carbide-tipped bits rated for percussion drilling.
SDS Plus Bit Holder (Fig. F)
nOTE: Special adapters are needed to use the SDS plus tool
holder with straight shank bits and hexagonal screwdriver bits.
Refer to Optional Accessories.
To Insert a Drill Bit or Other accessory
1. Insert the shank of the bit about 19 mm into SDS Plus
tool holder.
2. Push and rotate bit until it locks in place. The bit will be
securely held.
3. To release bit, pull the sleeve
Keyless Chuck (Fig. F, G)
DCH254, DCH274
On some hammerdrills, a keyless chuck can be installed in place
of the SDS Plus bit holder.

WARNING: Never use standard chucks in the rotary
hammering mode.
Replacing the sDs Plus Bit Holder with the keyless Chuck
(Fig. G)
1. Select hammering only mode (see Operation Modes), this
locks the spindle to prevent it from rotating when unlocking
the removable tool holder.
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2. Turn the locking collar
pull the installed bit holder off.
3. Push the keyless chuck
the locking collar into the locking position.
4. To replace the keyless chuck with the SDS Plus bit holder,
first remove the keyless chuck the same way as the SDS
Plus bit holder was removed. Then replace the SDS Plus
bit holder the same way as the keyless chuck was replaced.
To Insert a Drill Bit or Other accessory in keyless Chuck
(Fig. F)
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1. Grasp the sleeve of the chuck with one hand and use
the other hand grasping the base of the chuck.
2. Rotate the sleeve counterclockwise (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.
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.
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back and remove the bit.
into the unlocked position and
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onto the spindle and turn