DeWalt DWOAS9ST - Assembly and Adjustments; Powerhead (Fig. B)

7
ENGLISH
Powerhead (Fig. B)

WARNING: To reduce risk of injury:
• Before any use, be sure everyone using this product
reads and understands all safety instructions and
other information contained in the powerhead and
attachmentmanuals.
• Never apply power without an attachment being
properly mounted to thepowerhead.

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.

WARNING: This string trimmer attachment is to be
used only with
DeWALT powerheads.
Your string trimmer is designed such that the powerhead can
separate from the string trimmer attachment by turning the
knob
4
counterclockwise, depressing the latching button
6
and gently pulling them apart by their poles
1
,
5
.
This should only be done with the power switch off and the
battery pack removed. Inside the upper powerhead pole
5
is a mechanical coupling that will spin if the powerhead is
turned on. This coupling can cause severe injury if contacted
while the powerhead isoperating.
ASSEMBLY AND ADJUSTMENTS

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.
The label on your tool may include the following symbols. The
symbols and their definitions are asfollows:
V ......................... volts
Hz .......................hertz
min ..................... minutes
or DC ......direct current
...................... Class I Construction
(grounded)
…/min ..............per minute
BPM .................... beats per minute
IPM ..................... impacts per minute
RPM .................... revolutions per
minute
sfpm ................... surface feet per
minute
SPM .................... strokes per minute
A ......................... amperes
W ........................watts
Wh ......................watt hours
or AC ...........alternating current
or AC/DC .... alternating or direct
current
...................... Class II Construction
(double insulated)
n
o
.......................no load speed
n .........................rated speed
......................earthing terminal
.....................safety alert symbol
.....................visible radiation
..................... wear respiratory
protection
..................... wear eye protection
..................... wear hearing
protection
..................... read all
documentation
• Air vents often cover moving parts and should be
avoided. Loose clothes, jewelry or long hair can be caught
in movingparts.
Additional Safety Information

WARNING: Never modify the power tool or any part of
it. Damage or personal injury couldresult.

WARNING: ALWAYS use safety glasses. Everyday
eyeglasses are NOT safety glasses. Also use face or dust
mask if operation is dusty. ALWAYS WEAR CERTIFIED
SAFETYEQUIPMENT:
• ANSI Z87.1 eye protection (CAN/CSA Z94.3),
• ANSI S12.6 (S3.19) hearing protection,
• NIOSH/OSHA/MSHA respiratoryprotection.

WARNING: Some dust contains chemicals known
to State of California to cause cancer, birth defects
or other reproductive harm. Some examples of these
chemicals are:
• compounds in fertilizers,
• compounds in insecticides, herbicides
andpesticides,
• arsenic and chromium from chemically
treatedlumber.
To reduce your exposure to these chemicals, wear
approved safety equipment such as dust masks that
are specially designed to filter out microscopicparticles.

WARNING: Use of this tool can generate and/or
disperse dust, which may cause serious and permanent
respiratory or other injury. Always use NIOSH/OSHA
approved respiratory protection appropriate for
the dust exposure. Direct particles away from face
andbody.

WARNING: Always wear proper personal hearing
protection that conforms to ANSI S12.6 (S3.19)
during use. Under some conditions and duration
of use, noise from this product may contribute to
hearingloss.

CAUTION: When not in use, place tool on its
side on a stable surface where it will not cause a
tripping or falling hazard. Some tools with a large
battery pack will stand upright but may be easily
knockedover.
• When the appliance is stored or transported in a vehicle
it should be placed in the trunk or restrained to prevent
movement following sudden changes in speed ordirection.
• When not in use, the appliance should be stored in a dry,
well ventilated place out of reach ofchildren.
• Children should not have access to storedappliances.
Safety of Others
• This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning
use of the appliance by a person responsible for theirsafety.
• Children must be supervised to ensure that they do not play
with theappliance.
• Keep all bystanders away. Make sure that other persons
and pets are at least 100 ft (30 m) away.