31
EnGLIsh
Intended Use
This impact driver is designed for professional impact
screwdriving applications. The impact function makes this
tool particularly useful for driving fasteners in wood, metal
and concrete.
DO nOT
use under wet conditions or in the presence of
flammable liquids or gases.
This impact driver is a professional power tool.
DO nOT
let children come into contact with the tool.
Supervision is required when inexperienced operators use
this tool.
•
Young children and the infirm.
This appliance is not
intended for use by young children or infirm persons
without supervision.
• 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
e
WALT
battery packs and chargers.
Inserting and Removing the Battery Pack
from the Tool (Fig. B)
nOTE:
Make sure your battery pack
6
is fully charged.
To Install the Battery Pack into the Tool Handle
1. Align the battery pack
6
with the rails inside the tool’s
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
5
and firmly pull the battery pack
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
e
WALT
battery packs include a fuel gauge which consists
of three green LED lights that indicate the level of charge
remaining in the battery pack.
To actuate the fuel gauge, press and hold the fuel gauge
button
13
. 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.
Belt Hook and Magnetic Bit Holder (Fig. A)
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.
WARNING: To reduce the risk of serious personal
injury, DO NOT
suspend tool overhead or suspend
objects from the belt hook.
ONLY
hang tool’s belt hook
from a work belt.
WARNING: To reduce the risk of serious personal
injury,
ensure the screw holding the belt hook is secure.
IMPORTanT:
When attaching or replacing the belt hook or
magnetic bit holder, use only the screw
9
that is provided. Be
sure to securely tighten the screw.
The belt hook
8
and magnetic bit holder
12
can be attached
to either side of the tool using only the screw
9
provided,
to accommodate left- or right- handed users. If the hook or
magnetic bit holder is not desired at all, it can be removed from
the tool.
To move belt hook or magnetic bit holder, remove the screw
9
that holds it in place then reassemble on the opposite side. Be
sure to securely tighten the screw.
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. A, 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
10
.
Variable Speed Trigger Switch (Fig. A)
To turn the tool on, squeeze the trigger switch
1
. To turn the
tool off, release the trigger switch. Your tool is equipped with a
brake. The tool will stop when the trigger switch is fully released.
The variable speed switch enables you to start the application at
a slow speed. The further you squeeze the trigger, the faster the
tool will operate. For maximum tool life, use variable speed only
for starting holes or fasteners.
Summary of Contents for DCF850
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Page 3: ...1 Fig A Fig B 13 5 6 8 9 9 12 14 10 5 11 3 7 1 2 4 7 7 6 ...
Page 4: ...2 Fig C Fig D Fig E Fig F 11 3 4 3 4 10 ...
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