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Instruction Manual - Page 2
English
DWMT70785 AIR CHISEL HAMMER
A. Exhaust
FIG.1
F
B. AIR PRESSURE
DWMT70785 Handle 2-5/8" (67MM) 2600 BPM Round .0401" (10.2MM) 31.5 SCFM (14.8 L/s) 4.5 CFM (2.1 L/s) 3.4 LBS (1.6Kg.) 1/4" NPT(F) 3/8" (10MM) 90 PSI
B C
D D E
2 Trigger
F. Ergonomic Handle
Bumpers
D. 1/4" Air Inlet
A
SPECIFICATIONS
MODEL EXHAUST TYPE PISTON STROKE BLOWS PER MINUTE CHISEL SHANK TYPE CHISEL SHANK...
Instruction Manual - Page 3
... Read and understand all warnings and operating instructions before installing, operating or servicing this type of work area must wear ANSI...OR ANY DeWALT TOOL, CALL US TOLL FREE AT: 1-800-4-DeWALT (1-800-433-9258)
IMPORTANT SAFETY INSTRUCTIONS
WARNING: Some... WARNING: Read and understand this instruction manual and tool labels before using air tools, basic safety precautions should always...
Instruction Manual - Page 4
... Check air hoses for use with air powered tools.
• Do not use damaged or worn attachments.
Make sure all connections are secure. • Keep all manuals included ... Serious injury could become caught in moving parts.
4 explosion may be securely attached. Loose attachments can cause serious injury.
• Protect air lines from air supply before each use. English
WARNING:...
Instruction Manual - Page 5
...How to prevent it
• Long term exposure to noise produced from the operation of air tools can be harmful to human lungs and respiratory system.
• Always wear MSHA... as sanders and grinders, rotating tools such as drills, and impact tools such as wrenches, hammers, and reciprocating saws are capable of generating sparks which can lead to permanent hearing loss.
• Always ...
Instruction Manual - Page 6
...chisels, sockets, drill, etc., can fly apart during operation, propelling particles throughout the work area causing serious injury. What can happen • Air...parts, and accessories recommended by the manufacturer.
• Keep work area.
• Air tools can become activated by an authorized service...with finger on trigger.
• Repair service should be activated by unauthorized persons...
Instruction Manual - Page 7
... will also make exposed metal parts of the tool "live" and can cause injury to soft tissue areas such as pipes, radiators, ranges, and refrigerators. Disconnect air hose when tool is not ... stream can cause injury.
• Tool attachments can be hazardous. If damaged, have the tool serviced before performing work area.
• Always wear ANSI Z87.1 CAN/ CSA Z94.3 approved safety glasses...
Instruction Manual - Page 8
...use ;
4) When moving parts.
Tie up or cover ...chisel hammer • Use only chisels, scalers or other attachments suitable for this tool. SAVE THESE INSTRUCTIONS FOR FUTURE USE
8
WARNING: RISK OF ENTANGLEMENT
What can potentially exceed 200 PSI (13.8 bar) as accidental actuation may burst, possibly causing injury.
• The connector on the tool must not hold pressure when air...
Instruction Manual - Page 9
....
EXHAUST
The exhaust (E) is located at the bottom of molded thermoplastic elastomer (TPE) design for connecting an air supply that has a standard 1/4" NPT American thread. A
HANDLE
This air tool has an ergonomic grip (C) made of the handle is used for improved comfort, slippage reduction, and better tool control.
SHOCK RESISTANT HOUSING BUMPERS...
Instruction Manual - Page 10
...or other problems.
Replace the hose if worn.
2) Never point an air hose at least a weekly
schedule to the tool.
The inside diameter of air line lubricators and air
line filters... or before performing service or changing accessories.
4) Use proper hoses and fittings. Instead, add a hose and coupling between the tool and the air supply. English
INSTALLATION
Air Supply
The recommended hook...
Instruction Manual - Page 11
.... Do not connect the tool to reach and operate air shut off trigger in its use
immediately and arrange for a few seconds to allow air to circulate the oil. Using An Air Chisel Hammer
WARNING: 1) Read all instructions before using the tool. 10) Use only genuine Dewalt spare parts or parts which perform
equivalently. Never use , the operator must...
Instruction Manual - Page 12
... secure work on the Air Hammer.
15) Safe working attachment has stopped moving.
19) Chisels that the tool exhaust air does not cause problems or a hazardous risk of moving tool parts with hand when installing or disconnenting to match the tool.
27) Chisels and chisel spring retainers should be checked
reduce efficiency and increase vibration. Replace with the
working surface...
Instruction Manual - Page 13
... left hand. It must be filled. • Set the air compressor regulator to 90 PSI.
OPERATING INSTRUCTIONS
• Select chisel/attachment to perform the work piece before the chisel can operate properly.
13 H
J
GK
A
• Screw the spring retainer (G) onto the threads on the end of the Air Chisel Hammer.
Running the tool free will reduce tool life...
Instruction Manual - Page 14
... gives you specific legal rights and you may have been made or attempted by others. Disconnect the tool from date of air tools, such as: chisels, accessories, and etc.
2. For warranty repair information, call the local company or see website for all service calls: Model Number Date and Place of Purchase
FULL THREE YEARS WARRANTY
DeWalt heavy...
Instruction Manual - Page 44
the "D" shaped air intake grill; and the array of the tool. the kit box configuration; the array of pyramids on the surface of lozenge-shaped humps on the handgrip; DeWALT Industrial Tool Co., 701 Joppa Road, Baltimore, MD 21286 Part No.DWMT70785 70100731 Copyright © 2014 DeWALT
The following are trademarks for one or more DeWALT power tools: the yellow and black color scheme;
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