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Fig. F
4
Fig. G
4
To install an accessory, fully insert the accessory into the
quick-release chuck
. The accessory is locked into place
4
(Fig. F).
To remove an accessory, pull the chuck collar
from the front of the tool. Remove the accessory from the
quick-release chuck
4
(Fig. G).
Usage
Your impact tool can generate the following maximum
torque:
Cat #
Ft.-Lbs.
DCF787
125
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.
2. Press switch to start operation. Release switch to stop
operation. Always check torque with a torque wrench,
as the fastening torque is affected by many factors
including the following:
•
Voltage: Low voltage, due to a nearly discharged battery,
will reduce fastening torque.
•
Accessory size: Failure to use the correct accessory size
will cause a reduction in fastening torque.
•
Bolt size: Larger bolt diameters generally require
higher fastening torque. Fastening torque will also vary
according to length, grade, and torque coefficient.
3
3
3
away
In.-Lbs.
Nm
1500
170
•
Bolt: Ensure that all threads are free of rust and other
debris to allow proper fastening torque.
•
Material: The type of material and surface finish of the
material will affect fastening torque.
Fastening time: Longer fasten ing time results in
•
increased fastening torque. Using a longer fastening
time than recommended could cause the fasteners to be
overstressed, stripped or damaged.
MAINTENANCE
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.
Cleaning
WARNING: Blow dirt and dust out of all air vents with
clean, dry air at least once a week. To minimize the risk
of eye injury, always wear ANSI Z87.1 approved eye
protection when performing this.
WARNING: Never use solvents or other harsh
chemicals for cleaning the non-metallic parts of
the tool. These chemicals may weaken the plastic
materials used in these parts. Use a cloth dampened
only with water and mild soap. Never let any liquid
get inside the tool; never immerse any part of the tool
into a liquid.
Accessories
WARNING: Since accessories, other than those
offered by D
WALT, have not been tested with this
e
product, use of such accessories with this tool could be
hazardous. To reduce the risk of injury, only D
recommended accessories should be used with
this product.
Recommended accessories for use with your tool
are available at extra cost from your local dealer or
authorized service center. If you need assistance in
locating any accessory, please contact D
Tool Co., 701 East Joppa Road, Towson, MD 21286, call
1-800-4-D
WALT (1-800-433-9258) or visit our website:
e
www.dewalt.com.
Repairs
The charger and battery pack are not serviceable.
WARNING: To assure product SAFETY and
RELIABILITY, repairs, maintenance and adjustment
(including brush inspection and replacement) should
be performed by a D
WALT factory service center
e
or a D
WALT authorized service center. Always use
e
identical replacement parts.
Register Online
Thank you for your purchase. Register your product now for:
•
WARRAnTY sERViCE: Registering your product will
help you obtain more efficient warranty service in case
there is a problem with your product.
English
WALT
e
WALT Industrial
e
9
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