DeWalt DCH 133 NT, Original Instructions Manual

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34
EngLIsh
The side handle 3 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 9 on the
side handle.
2. Move the depth rod 8 so the distance between the
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.
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.
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.
SDS-Plus Bit Holder (Fig. D)
nOTE: Special adapters are needed to use the SDS-Plus bit
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 11 .
2. Push and rotate bit until it locks in place. The bit will be
securely held.
3. To release bit, pull the sleeve 14 back and remove the bit.
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. E)
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 side handle,
with the other hand on the main handle. Hold tool firmly with
both hands to control the twisting action of the drill.
Overload Clutch
In case of jamming of a drill bit, the drive to the drill spindle
is interrupted by the overload clutch. Due to the resulting
forces, always hold the tool with both hands and take a
firm stance. After the overload, release and depress the trigger
to re-engage drive.
Mechanical Clutch
With a mechanical clutch the indication that the clutch
has activated will be an audible ratcheting together with
increased vibration.
WARNING:
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.
Operation Modes (Fig. F)
WARNING: Do not select the operating mode when the
tool is running.
CAUTION:
Never use in Rotary Drilling or Rotary
Hammering mode with a chisel bit in the bit holder.
Personal injury and damage to the the tool may result.
Your tool is equipped with a mode selector dial 6 to select the
mode appropriate to desired operation.
symbol Mode application
Rotary Drilling
Screwdriving
Drilling into steel, wood
and plastics
Rotary hammering
Drilling into concrete
and masonry
hammering only Light chipping
To select an operating mode:
1. Depress the mode selector release button
7
.
2. Rotate the mode selector dial so that the arrow points to the
symbol corresponding for the desired mode.
nOTE: The arrow on the mode selector dial 6 must be pointing
at a mode symbol at all times. There are no operable positions
in between. It may be necessary to briefly run the motor after
having changed from 'hammering only' to 'rotary' modes in
order to align the gears.