Craftsman 315.116020 Manual Del Operador página 9

caUtiOn:
To prevent gear damage, always allow
the shank to come to a complete stop before chang-
ing the direction of rotation.
To stop the impact wrench, release the switch trigger and
allow the shank to come to a complete stop.
nOte: The impact wrench will not run unless the direction
of rotation selector is pushed fully to the left or right.
Avoid running the impact wrench at low speeds for
extended periods of time. Running at low speeds un-
der constant usage may cause the product to become
overheated. If this occurs, cool the product by running it
without a load and at full speed.
inStaLLinG anD remOVinG SOcKetS
See Figure 4, page i.
Use only sockets designed for impact wrenches. Always
select the correct size impact socket for nuts and bolts.
caUtiOn:
Using the wrong size socket may dam-
age the nut or bolt and cause the fastening torque to
be inaccurate or inconsistent.
 Remove the battery pack from the tool.
 Push the socket onto the drive shank until the detent
pin locks it into place.
 To remove the socket, pull it away from the drive
shank.
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OperatiOn
OperatinG the impact wrench
See Figure 5, page i.
Proper fastening torque may be determined by the kind
of bolt, the size of the bolt, the material, or the workpiece.
It is helpful to perform a test operation to determine the
proper fastening time for the nut or bolt you are using. While
performing the test, make note of the speed selection.
 Slide the socket over the nut or bolt.
 Depress the switch and fasten for the proper fastening
 Remove the impact wrench from the nut or bolt.
 Check the torque with a torque wrench.
impact time
Many variables exist that will cause the available torque of
the fastener to vary considerably.
nOte: Using a universal joint or extension bar may reduce
the fastening force of the impact wrench and require longer
fastening time.
9 - English
time.
caUtiOn:
Do not use this tool to install lug nuts
on wheels without a torque limiting device. Doing so
could result in galled or broken lugs.
caUtiOn:
After the head of a nut or bolt has
seated, additional impacting will increase the chance
of shearing bolts, nuts, sockets or tearing into wood.