Metabo WS 7400 - Manual (Page 10)

10
ENGLISH
pressors, pressure vessels and air
tools.
A
Danger by vibration!
•
Vibrations are tansmitted to the
entire body, particularly to arms and
hands. Very heavy vibrations may
cause nerve and vascular disorder.
A
Caution!
•
Protect the tool, air inlet and operat-
ing elements in particular, from dust
and dirt.
•
Make sure that the max. permissible
working pressure stated in the Tech-
nical Specifications is not exceeded.
The working pressure must be
adjusted by a pressure regulator.
•
Do no overload the tool:
−
use it only within the range of
capacity stated in the Technical
Specifications;
−
avoid impacts to the work piece;
−
avoid lateral load on the cutting-
off wheel.
•
Let tool run idle for a short time only.
3.3 Symbols on the Machine
Danger!
Disregard of the following
warnings may lead to
serious personal injury or
material damage.
Read instructions.
Wear protective spectacle.
Wear ear protection.
Maximum permissible
working pressure: 6.3 bar.
Speed n
0
: 11000 rpm
4.1 Before Initial Operation
•
Install plug.
4.2 Installation of Grinding
Disc or Cutoff Wheel
A
Danger!
•
Use only grinding dics and cutoff
wheels intended by the manufac-
turer for this tool.
•
Always disconnect tool from air
supply before servicing.
1. Fit the special spindle nut tool (9) on
the spindle nut (11).
2. To lock the spindle (14), fit the open
jaw wrench (12) below the inner
wheel flange (13) onto the spindle.
3. Loosen spindle nut (11), holding
spindle with the open jaw wrench.
4. Remove spindle nut (11) and grind-
ing disc or cutoff wheel (10).
5. Check to see that the inner wheel
flange (13) fits correctly on the spin-
dle (14). Put a new grinding disc or
cutoff wheel (10) on.
6. Put the spindle nut (11) on and
tighten hand-tight only while holding
the spindle with the open jaw
wrench.
7. Remove special spindle nut tool and
open jaw wrench.
4.3 Air Supply
A
Caution!
To ensure a long service life of this
tool, it needs to be supplied with suf-
ficient quantities of pneumatic oil.
This can be achieved as follows:
−
by a service unit on the compres-
sor.
−
by a line oiler, integrated in the air
line or directly installed to the
tool.
−
by adding approx. 3-5 drops of
pneumatic oil by hand every 15
minutes of use (continuous oper-
ation) to the air inlet.
1. Adjust working pressure at the com-
pressor (see Technical Specifica-
tions for max. permissible working
pressure).
2. Connect the compressor's air supply
(quick coupler).
4.4 Adjusting the Wheel
Guard
The wheel guard protects your hands. Its
position can be adapted to the individual
job on hand.
1. Loosen screw (15) of the clamping
fixture.
2. Rotate wheel guard into desired
position.
3. Tighten screw (15) hand-tight.
4.5 Using the Tool
A Hazard generated by insuffi-
cient personal protection gear!
•
Wear personal protection gear:
−
ear protection,
−
protective spectacle,
−
protective gloves,
−
dust respirator (when work
generates dust).
Grinding and roughing-down
1. Connect tool with quick coupler to
air supply.
2. Secure work piece in a vice or with
G-cramps/clamps.
3. To start:
−
push trigger guard and
−
press trigger fully down.
4. Hold grinding disc with light and
even pressure to the surface to be
worked. Note the direction of the fly-
ing sparks!
3
Note:
The disc's optimal working angle
on the work piece is 15° for grinding and
30-40° for roughing-down.
Cutting
1. Connect tool with quick coupler to
air supply.
2. Secure work piece in a vice or with
G-cramps/clamps.
3. To start:
−
push trigger guard and
−
press trigger fully down.
4. Set the cutoff wheel to the work
piece at the desired cutting angle.
4. Operation
9
10 12 11
14 13
15