Mighty Seven DW-404 Manual Del Usuario página 14

INSTALLING AND REMOVING
THE SOCKET (FIG. 7)
FIG. 7
Friction Ring
NOTICE: The friction ring, with certain
plasticity and strength, helps to prevent
the socket from disengaging from the
output drive of the impact wrench during
the operation.
Always use the correct size socket for bolts
and nuts. An incorrect socket will result in
inaccurate and inconsistent fastening torque
and/or damage to the bolt or nut.
1. Lock the trigger switch by placing the
direction-of-rotation selector in the OFF
(center) position.
2. To install the socket, push it onto the output
drive of the tool until it locks into place.
3. To remove the socket, simply pull it off.
INSTALLING FASTENERS
NOTICE: Always keep the Impact Wrench
at a right angle to the fastener to avoid
damaging the fastener head.
To fasten:
1. Start threading the fastener by hand onto
or into its threaded counterpart (e.g. nut
onto bolt, or bolt into nut or threaded hole).
2. With the proper impact socket securely
mounted to the Impact Wrench, slide the
impact socket onto the nut or bolt head.
14
OPERATION
3. Place the direction-of-rotation select or
in the FORWARD position, and select a
suitable speed or the auto-stop function.
Hold the tool firmly while depressing the
trigger switch. The impact socket will turn
the fastener and the impacting action
will begin when the fastener encounters
resistance.
To loosen:
1. With the proper impact socket securely
mounted to the wrench, slide the impact
socket onto the bolt head.
2. Place the direction-of-rotation select or in
the REVERSE position. Hold the tool firmly
while depressing the trigger switch. The
tool will start to impact immediately.
3. Once the fastener has "broken loose," it
will start to unthread. Be careful that you
do not allow a fastener to spin freely once
it is no longer engaged with its threaded
counterpart, as it may be thrown out of the
socket.
The proper fastening torque may differ
depending on the type or size of the bolt, the
material of the workpiece to be fastened, etc.
NOTICE: Hold the tool straight along the
axis of the bolt or nut.
NOTICE: Excessive fastening torque
may damage the bolt/nut or socket.
Before starting your job, always perform
a test operation to determine the proper
fastening time for your bolt or nut.
Practice with various fasteners, noting the
length of time required to reach the desired
torque. Check the tightness with a hand-
torque wrench. If the fasteners are too tight,
reduce the impacting time. If they are not
tight enough, increase the impacting time.
IMPACTING TIPS