Assembly And Adjustments - DeWalt XR LI-ION DCH172 Original Instructions Manual

• This product is not intended for use by persons (including
children) suffering from diminished physical, sensory or
mental abilities; lack of experience, knowledge or skills
unless they are supervised by a person responsible for their
safety. Children should never be left alone with this product.

ASSEMBLY AND ADJUSTMENTS


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.

WARNING: Use only D
Inserting and Removing the Battery Pack
from the Tool (Fig. B)
nOTE: Make sure your battery pack
To Install the Battery Pack into the Tool Handle
1. Align the battery pack
handle (Fig. B).
2. Slide it into the handle until the battery pack is firmly seated
in the tool and ensure that you hear the lock snap into place.
To Remove the Battery Pack from the Tool
1. Press the release button
out of the tool handle.
2. Insert battery pack into the charger as described in the
charger section of this manual.
Fuel Gauge Battery Packs (Fig. B)
Some D WALT battery packs include a fuel gauge which
e
consists of three green LED lights that indicate the level of
charge remaining in the battery pack.
To actuate the fuel gauge 14
button. A combination of the three green LED lights will
illuminate designating the level of charge left. When the level
of charge in the battery is below the usable limit, the fuel gauge
will not illuminate and the battery will need to be recharged.
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.
Electronic Overload Protection
If the drill bit becomes jammed, the power to the drill spindle
will be interrupted by the activation of the electronic overload
protection. To reactivate the power to the drive spindle, the
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.
Active Vibration Control (Fig. A)
For best vibration control, hold the tool with one hand on the
main handle and the other hand on the side handle
6
just enough pressure so the Active Vibration Control
rear handle are halfway depressed. The hammer only needs
WALT battery packs and chargers.
e
is fully charged.
8
with the rails inside the tool's
8
9 and firmly pull the battery pack
, press and hold the fuel gauge
enough pressure to engage the internal active vibration control.
Applying too much pressure will not make the tool drill faster
and active vibration control will not engage.
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
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 bind or stall. 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
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
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 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.
. Apply
1
10 in the
1 clamps to the front of the gear case and may
15 and has 12 tightening
1 and move the depth rod
that is provided. Be sure to securely
16
English
2 so that
11 ,
11