Safety Rules - Würth Master Vario Drill VD 90 Originalbetriebsanleitung

Your VARIO DRILL VD 90 is a high-capacity compressed-air
gun for the removal of welding spots.
For safe operation, the following precautions should be taken:

Safety rules

The following safety measures should always be taken, regard-
less of any additional safety or accident-prevention rules which
might be applicable in each country:
Do not use your VARIO DRILL for purposes other than the re-
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moval of spot-welded joints from sheet- metal structures.
Disconnect compressed-air supply when changing from one
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bit to another (VARIO MATIC or cutter).
Wear goggles and protective gloves when working with your
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VARIO DRILL.
Never point your VARIO DRILL at yourself or any other per-
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son.
The valued sound pressure level of the VARIO DRILL is typi-
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cally 70 dB. The sound level while working with it may be in
excess of such value; therefore, it is recommended to wear
ear plugs.
Check cutter blades and tips for breaks or wear.
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If necessary, change cutter tool.
To reduce the risk of breaking to a minimum, do not use cutter
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tools other than the genuine VARIO DRILL cutters.
Never hold workpieces in your hand, but have them clamped
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instead or make sure their own weight holds them down to
give the correct support.
If you wear long hair, you should use an appropriate hair pro-
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tection.
Make sure your VARIO DRILL is completely disconnected
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when cleaning or greasing it.
Protect the machine against falling down. Do not drop the ma-
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chine.
Your VARIO DRILL is not insulated against contact with elec-
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tric current !
Do not use your VARIO DRILL in an atmosphere where there
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is the risk of explosion!
The maximum operating pressure is 8 bar!
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Putting the VARIO DIRLL into operation
Refer to the above safety rules and read them carefully before
putting the VARIO DRILL into operation.
Use clean, dry air only. The use of a compressed-air valuation
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unit is recommended.
Air operating pressure: 6 – 8 bar.
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Hose diameter: superior to 6 mm.
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Pour a few droplets of lightweight nonresinous oil into the
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compressed-air mouthpiece
If not yet assembled, screw an appropriate air connection
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(1/4") onto the air-volume reducing valve
Important: Tighten screw
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DRILL into operation for the first time, tighten again from time
to time. Make sure your VARIO DRILL is disconnected from the
compressed-air supply during such operation.
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every day.
.
before putting your VARIO
Hints on the different uses of your
VARIO DRILL
Recommended speed of special VARIO DRILL Cutter:
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with VARIO MATIC about 900 UPM
Speed adjustment is on the air-volume reducing valve
Use your VARIO DRILL with VARIO MATIC (Fig. 1) to readily
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remove external welding spots on edges, sectional shapes,
notches.
1
Use your VARIO DRILL without VARIO MATIC (Fig. 2) to
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readily remove internal, concealed welding spots or those
where access is difficult.
ATTENTION: Press your VARIO DRILL firmly against the
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welding spot before switching it on. The cutter tip
depth stop prevent the machine from sideslipping. Never
use your VARIO DRILL with a broken cutter tip.
To dismount the
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VARIO MATIC,
open ring and
A
remove it from its
locking hook .
B
.
and the
2
3