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installed, the hog ring applies pressure to help provide
accessory retention.
To remove an accessory, grasp the accessory and firmly
pull it off.
Mode Selector (Fig. A, D)
Your tool is equipped with a mode selector
you to select one of three speeds or Precision Wrench™
mode. Select the mode based on the maximum speed/
torque needed and control the speed of the tool using the
variable speed trigger switch
Precision Wrench™ (Fig. D)
In addition to normal impacting modes, this tool features
the Precision Wrench™ mode which grants the user greater
control in both fastening and loosening applications. When
set in forward, the tool will fasten at 1200 RPM until impact
begins. The tool will then pause for 0.75 seconds before
continuing to impact at a rate of 1890 IPM (DCF961)/2015
IPM (DCF964), providing the user with greater control and
reducing the chance of overtightening or damaging material.
When set in reverse, the tool will impact at a normal speed
and rate of 1890 IPM (DCF961)/ 2015 IPM (DCF964). Upon
sensing that the fastener has broken free, the tool will cease
to impact and will reduce speed to help prevent "run‑off" of
loose hardware.
specifications
Mode
Application
Precision
Precision
Wrench™ Mode
Wrench™
Low Mode
Normal Impacting 0–440 forward 0–440 forward
Medium Mode
Medium Impacting 0–570 forward 0–575 forward
High Mode*
High Speed
Impacting
*After 4 seconds of impacting, the DCF961/DCF964 automatically increases
power to aid in loosening stubborn fasteners.
OPERATION
WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories. An
accidental start‑up can cause injury.
Installing and Removing the Battery Pack
(Fig. E)
WARNING: Ensure the tool/appliance is in the off
position before inserting the battery pack.
nOTE: For best results, make sure your battery pack is
fully charged.
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which allows
1
.
DCF961
DCF964
RPM
RPM
0–1200 forward 0–1200 forward
0–550 reverse
0–550 reverse
0–1200 reverse 0–1200 reverse
0–1200 reverse 0–1200 reverse
0–1200 forward 0–1200 forward
0–1200 reverse 0–1200 reverse
1. To install the battery pack
the 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.
2. To remove the battery pack from the tool, press the
battery pack release button
pack out of the tool handle. Insert it into the charger as
described in the charger section of this manual.
Proper Hand Position (Fig. F)
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
4
handle
.
Variable Speed 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 anvil 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 startup. This is
normal and does not indicate a problem.
Worklight (Fig. A, D)
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The worklight
is activated when the trigger switch
depressed. Pressing the worklight switch
cycle through low illumination, high illumination, and off.
nOTE: The worklight is for lighting the immediate work
surface and is not intended to be used as a flashlight.
Usage (Fig. A)
CAUTION: Ensure fastener and/or system will
withstand the level of torque generated by the tool.
Excessive torque may cause breakage and possible
personal injury.
1. Place the accessory on the fastener head. Keep the tool
pointed straight at the fastener.
English
6
into the tool handle, align
5
and firmly pull the battery
1
. To turn the
2
determines the direction
1
8
repeatedly will
is
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