Pre-Start Checklist - DeWalt DWMT70785 Instruction Manual

using an Impact Wrench Continued
13) Check hoses and fittings regularly for wear. Replace if
necessary. Do not carry the tool by its hose. Ensure the hand is
removed from the on/off trigger when carrying the tool with the
air supply connected.
14) Take care against entanglement of moving tool parts with
clothing, ties, hair, cleaning rags, etc. This will cause the body to
be drawn towards the tool and can be very dangerous.
15) Safe working practices and observe all relevant legal
requirements when installing, using or maintaining the tool.
16) Only install the tool when an easily accessible and easily
operable on/off switch is incorporated in the air supply.
17) Take care that the tool exhaust air does not cause problems or
blow onto another person.
18) Never lay a tool down unless the working attachment has
stopped moving.
19) Chisels that are worn or blunt at the cutting edge or shank
should not be used as such conditions promote tool breakage,
reduce efficiency and increase vibration. A chisel which breaks
can cause injury by creating unexpected movement.
20) When chipping or scaling in potentially explosive environment,
use spark resistant chisels (usually made of beryllium copper).
Consult the tool manufacturer before using tool in this manner.
21) Do not store chisels at 32°F (0°C) or lower temperatures.
Freezing temperatures can make hardened steels brittle, which
can cause breakage and lead to injury.
22) Do not start tool until steel/chisel/needles are in contact with the
working surface. Do not run tool unless retainer is fitted.
23) Do not over reach. Keep proper footing and balance at all times.
24) Do not force the tool but allow it to cut.
25) When possible secure work with clamps or vice so both hands
are free to operate the tool.
26) Use correct size of chisel shank to match the tool.
27) Chisels and chisel spring retainers should be kept in good
condition and replaced if worn or damaged.

PRE-START CHECKLIST

• Drain water from air compressor tank and condensation from
air lines. (Please refer to air compressor's operation manual.)
• Lubricate the tool. (Please refer to the "Maintenance" section
in the manual.)
• Disconnect the air supply from the tool before performing any
work on the Air Hammer.
WARNING: Risk of unsafe operation. Firmly grasp air hose
with hand when installing or disconnenting to prevent hose whip.
WARNING: Risk of bursting. Too much air pressure causes
a hazardous risk of bursting. Check the manufacturer's maximum
pressure rating for air tools and accessories. The regulator output
pressure must never exceed the maximum pressure rating.
CHISEL ASSEMBLY
noTe: Spring retainers and chisels used should be checked
before use for signs of damage and/or wear. Replace with new
parts promptly, as needed.
• Slide the spring retainer (G) over the chisel (J).
G
12
J