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The air impact wrench is fitted with an R ¼" compressed air connection (1). For
your own safety, do not mount the impact wrench firmly to a compressed-air
hose, but use a quick connector which can be sold separately.
1. During operation the unit has to be provided with oil. You can use an oil-fog
lubricator. Please read the chapter "Lubrication" on page 7.
If necessary you can mount the auxiliary handle (3) on the right side of the
wrench or on the left side. For changing the position of the handle, first loosen
the 4 Allen screws (7) with a suitable Allen wrench (size 5) and turn the han-
dle around, so the openings in the handle fit with the provided tap holes.
Finally tighten the 4 Allen screws with the Allen wrench.
2. Screw the quick connector to the impact wrench and seal the ending with
Teflon tape. Now connect the impact wrench and the compressed-air source
with the quick coupling and a flexible air hose.
3. Then put the desired socket (6) on the square drive (5) as far as it will go.
4. Press the trigger (4) in order to operate the impact wrench.
Always disconnect the air impact wrench from the compressed-air source
when maintaining the wrench or when changing the socket.
Air Pressure and Air Quantity
The impact wrench needs a pressure of 6.3 bars (max. 8 bar) and a
compressor with an air volume of min. 450 l/min.
Utilize only connection hoses with a minimum inner diameter of 9 mm. When
adjusting the air pressure, please keep in mind that the pressure decreases
about ca. 0.6 bar at a hose length of 10 m and an inner diameter of 9 mm.
Torque and Running Direction
The air impact wrench is designed to clockwise and counter-clockwise rotation.
Position O =
Position 1 =
Position 2 =
Position 3 =
Operation
Reverse Drive with full speed 1626 Nm,
1. Run Forward Drive with 580 Nm,
2. Run Forward Drive with 1260 Nm,
3. Run Forward Drive with 1350 Nm.
7
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