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English
11
Proper Hand Position (Fig. H)
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
suddenreaction.
Proper hand position requires one hand on the main
handle
10
.
10
Fig. H
Using the Tool
Your impact tool can generate the following
maximumtorque:
Ft.-Lbs. In.-Lbs. Nm
DCF888 152 1825 205
nOTE: Tool Connect™ custom speed settings will affect the
maximum torque output of the tool. Speeds lower than the
Home setting generally result in lower maximumtorque.
CAUTION: Ensure fastener and/or system will
withstand the level of torque generated by the tool.
Excessive torque may cause breakage and possible
personalinjury.
1. Place the accessory on the fastener head. Keep the tool
pointed straight at thefastener.
2. Press trigger switch
1
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 fasteningtorque.
- Accessory size: Failure to use the correct accessory
size will cause a reduction in fasteningtorque.
- Bolt size: Larger bolt diameters generally require
higher fastening torque. Fastening torque will also vary
according to length, grade, and torquecoefficient.
- Bolt: Ensure that all threads are free of rust and other
debris to allow proper fasteningtorque.
- Material: The type of material and surface finish of the
material will affect fasteningtorque.
- 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 ordamaged.
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 causeinjury. Exception—Tool
Connect™ functions and mode adjustments require
battery to beinstalled.
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 performingthis.
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 aliquid.
Accessories
WARNING: Since accessories, other than those
offered by
DEWALT, have not been tested with this
product, use of such accessories with this tool could be
hazardous. To reduce the risk of injury, only DEWALT
recommended accessories should be used with
thisproduct.
WARNING: To reduce the risk of injury, use only
D
EWALT impact-ready accessories.
WARNING: Use only impact accessories. Non-impact
accessories may break and cause a hazardous
condition. Inspect accessories prior to use to ensure
that they con tain no cracks.
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
DEWALT Industrial
Tool Co., 701East Joppa Road, Towson, MD 21286, call
1-800-4-DEWALT (1-800-433-9258) or visit our website:
www.dewalt.com.
Repairs
The charger and battery pack are notserviceable.
WARNING: To assure product SAFETY and
RELIABILITY, repairs, maintenance and adjustment
(including brush inspection and replacement, when
applicable) should be performed by a
DEWALT factory
service center or a DEWALT authorized service center.
Always use identical replacementparts.
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