Storage Recommendations; Intended Use; Operation; Installing And Removing The Battery Pack - DeWalt DCF889M2 Instruction Manual

also charge a partially used pack whenever you desire
with no adverse effect on the battery pack.
5. Foreign materials of a conductive nature such as, but
not limited to, grinding dust, metal chips, steel wool,
aluminum foil, or any buildup of metallic particles
should be kept away from charger cavities. Always
unplug the charger from the power supply when there
is no battery pack in the cavity. Unplug the charger
before attempting to clean.
6. Do not freeze or immerse the charger in water or any
other liquid.

Storage Recommendations

1. The best storage place is one that is cool and dry, away
from direct sunlight and excess heat or cold.
2. For long storage, it is recommended to store a fully
charged battery pack in a cool dry place out of the
charger for optimal results.
NoTE: Battery packs should not be stored completely
depleted of charge. The battery pack will need to be
recharged before use.
SAVE THESE INSTRUCTIONS FOR
FUTURE USE
COMPONENTS (FIG. A)

WARNING: Never modify the power tool or any part
of it. Damage or personal injury could result.
Refer to Figure A at the beginning of this manual for a
complete list of components.

INTENDED USE

This impact wrench is designed for professional impact
fastening 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 presence of
flammable liquids or gases.
This impact wrench is a professional power tool. Do NoT
let children come into contact with the tool. Supervision is
required when inexperienced operators use this tool.

OPERATION


WARNING: Always observe the safety instructions
and applicable regulations.

WARNING: To reduce the risk of serious personal
injury, place the forward/reverse button in the
lock-off position or turn tool off and disconnect
battery pack before making any adjustments or
removing/installing attachments or accessories.

Installing and Removing the Battery Pack

(Fig. D)
NoTE: For best results, make sure your battery pack is
fully charged.
To install the battery pack 6
battery pack with the rails inside the tool's handle and slide
it into the handle until the battery pack is firmly seated in
the tool and ensure that it does not disengage.
into the tool handle, align the
To remove the battery pack from the tool, press the release
button 5 and firmly pull the battery pack out of the tool
handle. Insert it into the charger as described in the charger
section of this manual.
Fig. D
6
5
Variable Speed Trigger Switch (Fig. A)
To turn the tool on, squeeze the trigger switch
the tool off, release the trigger switch. Your tool is equipped
with a brake. The chuck will stop when the trigger switch
is fully released. The variable speed switch enables you to
select the best speed for a particular application. The more
you squeeze the trigger, 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 switch and should
be avoided.
Forward/Reverse Control Button (Fig. A)
A forward/reverse control button
of the tool and also serves as a lock-off button.
To select forward rotation, release the trigger switch and
depress the forward/reverse control button on the right side
of the tool.
To select reverse, release the trigger switch and depress the
forward/reverse control button on the left side of the tool.
The center position of the control button locks the tool in
the OFF position. When changing the position of the control
button, be sure the trigger is released.
NoTE: The first time the tool is run after changing the
direction of rotation, you may hear a click on start up. This is
normal and does not indicate a problem.
Worklight (Fig. A)
There is a worklight 7 located on the foot of the tool. The
worklight is activated when the trigger switch is depressed,
and will automatically turn off 20 seconds after the trigger
switch is released. If the trigger switch remains depressed,
the worklight will remain on.
NoTE: The worklight is for lighting the immediate work
surface and is not intended to be used as a flashlight.
Anvils (Fig. E)

WARNING: Use only impact accessories. Non-impact
accessories may break and cause a hazardous
ENglIsh
. To turn
1
2 determines the direction
27