Operation - DeWalt XR DCH072 Original Instructions Manual

English
tool's trigger should be released and then depressed. Due to the
resulting forces, always hold the tool with both hands and take
a firm stance.
Side Handle and Depth Rod (Fig. A, C)

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.
The side handle 1 clamps to the front of the gear case and may
be rotated 360˚ to permit right- or left-hand use.
The side handle clamps to the collar
locations. The side handle can be tightened by rotating the
grip of the side handle clockwise. The side handle must be
tightened sufficiently to resist the twisting action of the tool if
the accessory binds or stalls. Be sure you moved the side handle
against the end of the collar end to have the clamping piece
fully engaged.
To Adjust the Depth Rod (Fig. A)
Loosen the side handle
1
the distance between the end of the rod and the end of the bit
equals the desired drilling depth. When drilling with depth rod,
stop when end of rod reaches surface of material.
Utility Hook (Fig. D)

WARNING: To reduce the risk of serious personal
injury, ONLY use the tool's ultilty hook to hang the
tool from a work belt. DO NOT use the ultilty hook
for tethering or securing the tool to a person or
object during use. DO NOT suspend tool overhead or
suspend objects from the ultilty hook.

WARNING: To reduce the risk of serious personal
injury, ensure the screw holding the ultilty hook
is secure.
iMPORTAnT: When attaching or replacing the ultilty hook
use only the screw 14 that is provided. Be sure to securely
tighten the screw.
The ultilty hook can be be attached to either side of the tool
using only the screw provided, to accommodate left- or right-
handed users. If the hook is not desired at all, it can be removed
from the tool.
To move ultilty hook, remove the screw that holds the ultilty
hook in place then reassemble on the opposite side. Be sure to
securely tighten the screw.
Bit and Tool 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 Recommendations
• For wood, use twist bits, spade bits, power auger bits or
hole saws.
12
and has 12 tightening
13
and move the depth rod
2
• 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® Tool Holder (Fig. H)
nOTE: Special adapters are needed to use the SDS plus® tool
holder with straight shank bits and hexagonal screwdriver
15
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 locking sleeve
the bit.

OPERATION

Instructions for Use

so that 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
,
10
Trigger Switch (Fig. A)
To turn the tool on, squeeze the trigger switch
tool off, release the trigger switch. Your tool is equipped with
a brake. The chuck will stop as soon as the trigger switch is
fully released.
Variable Speed Trigger Switch
The variable speed trigger switch enables you to select the best
speed for a particular application. The farther you squeeze the
trigger switch, the faster the tool will operate. For maximum
tool life, use variable speed only for starting holes or fasteners.
nOTE: Continuous use in variable speed range is not
recommended. It may damage the trigger switch and should
be avoided.
Forward/Reverse Control Button (Fig. F)
A forward/reverse control button
bit rotation and also serves as a lock-off button.
To select forward rotation, release the trigger switch
depress the forward/reverse control button on the right side of
the tool.
back and remove
16
1
.
6
. To turn the
3
4 determines the direction of
3 and
,