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Definitions: Safety Alert Symbols and Words
This instruction manual uses the following safety alert symbols and words to alert you to hazardous situations and your risk
of personal injury or property damage.
DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
(Used without word) Indicates a safety related message.
NOTICE: Indicates a practice not related to personal injury which, if not avoided, may result in property damage.
Fig. A
8
9
7
Dust extraction system
1
Base release buttons
2
Dust collection box
3
Dust collection box
4
release buttons
Telescope
5
Depth adjustment
6
button
8
6
12
3
11
Length adjustment
7
button
Dust extraction head
8
Dust brush
9
Side handle
10
Side handle support
11
groove
Filter cleaning
12
mechanism
5
4
10
WARNING! Read all safety warnings and all
instructions. Failure to follow the warnings and
instructions may result in electric shock, fire and/or
serious injury.
WARNING: To reduce the risk of injury, read the
instruction manual.
if you have any questions or comments about this or
any D
WALT tool, call us toll free at:
e
1-800-4-D
WALT (1-800-433-9258).
e
English
1
2
1
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Summary of Contents for DeWalt DWH303DH
- Page 1 English Definitions: Safety Alert Symbols and Words This instruction manual uses the following safety alert symbols and words to alert you to hazardous situations and your risk of personal injury or property damage. DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
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Page 2: Personal Safety
English IMPORTANT SAFETY e ) When battery pack is not in use, keep it away from other metal objects, like paper clips, coins, INSTRUCTIONS keys, nails, screws or other small metal objects, that can make a connection from one terminal to another. -
Page 3: Specifications
Refer to Figure A at the beginning of this manual for a complete list of components. INTENDED USE Your dust extraction system DWH303DH has been designed for the extraction of dust in professional hammerdrilling in masonry or concrete, and with solid drill bits mounted to the power tool. -
Page 4: Operation
English Fig. C Fig. D 5. Test to see if the dust extractor is properly installed on the rotary hammer: a. Install the dust extractor. b. Start your drilling operation and stop after 1/4" (6 mm). Switch c. Lift the tool and check if the dust extraction is The extraction system automatically starts when the rotary working. -
Page 5: Maintenance
English MAINTENANCE 1. Press the dust collection box release buttons 4 and pull the dust collection box away from the dust WARNING: To reduce the risk of serious personal extraction system. Once the catch mechanism is clear injury, turn off tool and disconnect the tool of the dust extraction system the upper joint will from the power source before making any also release allowing the dust collection box to be... -
Page 6: Register Online
WARNING: Do not use a brush to clean the dust visit www.dewalt.com or call 1-800-4-D WALT (1-800- collector or filter. 433-9258). This warranty does not apply to accessories...