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2610052965_GDS18V-221 5/24/19 1:37 PM Page 12
pulled. The light will automatically turn off
when trigger is released.
▶ Operating Tips
impact wrenches. Sockets designed for
hand use may break under the load this
tool generates.
▼ INSTALLING FASTENERS
To fasten: Start the fastener by hand on to
or in to its threaded counter part (e.g. nut
on to bolt, bolt in to nut or threaded hole).
Next, with the proper impact socket
securely mounted to the wrench, slide the
impact socket on to the nut or bolt head.
Hold the tool securely with both hands and
squeeze the trigger switch. The impact
socket will turn the fastener and impacting
will begin once the fastener encounters
resistance. See the following chart to
estimate the amount of impact time
required to obtain a desired torque.
To loosen: With the proper impact socket
securely mounted to the wrench, slide the
impact socket on to the bolt head (be sure
the rotational direction is "reverse").
Hold the tool securely with both hands and
squeeze the trigger switch. The tool will
start to impact immediately. 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 the other threaded part as it
may be thrown out of the socket.
▼ TIGHTENING TORqUE
The tightening torque depends on the
duration of the impacting/tightening action.
The largest tightening torque is achieved
Operating Instructions
Use
only
sockets
designed for power
after
approx.
impacting/tightening action.
The torque build-up depends on the
following factors:
•
Hardness of the bolts/nuts.
•
Type of washer (disk washer, spring
washer, seal).
•
Hardness of the material to be joined.
•
Lubricating effect at the surfaces of
the junction.
This leads to the following application
cases:
Hard joining application: The joining of
metal to metal with a disk washer. The
maximum torque is reached after a relative
short impacting/tightening action.
Medium joining application: The joining of
metal to metal when using spring ring
washer, disk spring washer, stud bolts or
bolts/nuts with conical seats.
Soft joining application: The joining of e.g.
metal to wood or insulation material.
For middle or soft joining cases, the
maximum tightening torque is less than for
hard cases. Therefore, a longer impacting/
tightening action is necessary to arrive at
the maximum tightening torque.
▼ COLD WEATHER USE (32°F)
Due to the lubrication used in the
impacting mechanism, the tool should be
run for three minutes at no load prior to
actual usage. This will warm the lubricant
and provide better performance.
12
6
to
10
Sec.
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