Maintenance - DeWalt DCF894 Instruction 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 .
Fig. F
Usage
Your impact tool can generate the following maximum
torque values.
NoTE: Output torque is dependent on the speed selected,
with the highest provided in Speed 3.
Your impact tool can generate the following maximum
torque values.
NoTE: Output torque is dependent on the speed selected,
with the highest provided in Speed 3.
Ft.-lbs.
Low/High/
Cat #
Precision Wrench™
DCF894, DCF894H 0–150/0–330/0–330

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:
ʵ Voltage: Low voltage, due to a nearly discharged
battery, will reduce fastening torque.
ʵ Accessory size: Failure to use the correct accessory
size will cause a reduction in fastening torque.
ʵ Bolt size: Larger bolt diameters generally require
higher fastening torque. Fastening torque will
ʵ Bolt: Ensure that all threads are free of rust and other
ʵ Material: The type of material and surface finish of
ʵ Fastening time: Longer fasten ing time results in

MAINTENANCE


Your D
e
over a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon proper
tool care and regular cleaning.
Lubrication
Your power tool requires no additional lubrication.
Cleaning


Nm
Low/High/
Accessories
Precision Wrench™

200/447/447
Recommended accessories for use with your tool are
available at extra cost from your local dealer or authorized
service center.
Repairs
The charger and battery pack are not serviceable.

also vary according to length, grade, and torque
coefficient.
debris to allow proper fastening torque.
the material will affect fastening torque.
increased fastening torque. Using a longer fastening
time than recom mended could cause the fasteners to
be overstressed, stripped or damaged.
WARNING: To reduce the risk of serious personal
injury, turn unit off and before making any
adjustments or removing/installing attachments
or accessories. An accidental start-up can
cause injury.
WALT power tool has been designed to operate
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 approved eye protection
when performing this procedure.
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.
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.
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.
ENGlIsH
WALT
e
33