DeWalt DCF887 Guide D'utilisation page 12

English
Fig. H
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
direction 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.
Worklights (Fig. A)

CAUTION: Do not stare into worklight. Serious eye
injury could result.
There are three worklights 7
collar 3 . The worklights are activated when the trigger
switch is depressed. When the trigger is released, the
worklight will stay illuminated for up to 20 seconds. If
the trigger switch remains depressed, the worklights will
remain on.
nOTE: The worklights are for lighting the immediate work
surface and are not intended to be used as a flashlight.
10
10
. To turn
1
2 determines the
located around the chuck
Quick-Release Chuck (Fig. A, I, J)

WARNING: Use only impact accessories. Non-impact
accessories may break and cause a hazardous
condition. Inspect accessory prior to use to ensure that
it con tains no cracks.
nOTE: The chuck accepts 1/4" (6.35 mm) hex accessories.
Place the forward/reverse button
off (center) position or remove battery pack before
changing accessories.
Fig. I
4
Fig. J
4
To install an accessory, fully insert the accessory. The
accessory is locked into place (Fig. I).
To remove an accessory, pull the chuck collar
from the front of the tool. Remove the accessory (Fig. J).
Mode Selector (Fig. A, K)
Your tool is equipped with a mode selector
allows you to select one of three modes. Select the mode
based on the application and control the speed of the tool
using the variable speed trigger switch
Precision Drive (Fig. K)
In addition to normal impacting modes, this tool features
the Precision Drive mode which enables greater control
in lighter applications to avoid damage to materials or
fasteners. It is ideal for light applications such as cabinet
hinge screws or machine screws. Precision Drive mode will
work as a screwdriver in light applications, before hesitating
as the screw head reaches the work piece, and then (if
required) start a slow controlled impact to ensure the head
ends perfectly flush.
nOTE: This mode is for light duty screwdriving applications.
If the tool will not drive a fastener in Precision Mode,
please select mode 2 which will give the additional
power required.
DCF887
Mode 1 Precision Drive
Mode 2 Normal Impacting
Mode 3 High Speed Impacting
2 in the lock-
3
3
away
3
which
11
1 .
rpm 0–1000
rpm 0–2800
rpm 0–3250