Metabo MFE 30 [17/52] Stone dust extraction
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Metabo MFE 30 [17/52] Stone dust extraction

Metabo MFE 30 [17/52] Stone dust extraction
8 Using the wall chaser
with only
one
diamond
cutting blade
If the front diamond cutting blade is removed and
only the rear blade left in place the wall chaser is
also suitable for parting cuts (e.g. for tiles).
Figure 2
9 Depth of cut
After loosening the star-knob screw (4) the wall
chaser can be set to any desired depth of cut
between 0 mm and 30 mm (against scale 1).
Tighten the star-knob screw again after depth of
cut setting.
10 Stone-dust extraction
For extraction of the dust generated when chases
are cut, the suction hose 30 344 (4 m) is inserted
into the seat of the dust port (5). The bayonet joint
prevents the unintentional loosening of the hose
when working with the tool.
When using a second suction hose 30 344, the
dust collector can be placed up to 8 m away from
the jobsite.
To connect a suction hose without a bayonet joint
use the connection adapter supplied with the tool.
Caution! Never use the wall chaser without
dust extraction, as the motor would quickly
become clogged by the stone dust.
11 Switching the wall chaser
ON and OFF
To switch ON, the slide switch (13) is pushed
forward until it engages. To the rear of the slide
switch the symbol “I” appears.
The wall chaser is operational when the LED (6),
which lights up shortly after switching on, goes off.
To switch OFF, press down on the rear (the raised
end in the “I” position) end of the slide switch (13)
(position “0”).
12 Working with the
wall chaser
Position the handle so that the user can
grip it firmly without touching the safety
guard. Contact with live wires energises
the metal parts of the housing and can
cause electric shock to the operator.
The handle (2) can be adjusted after loosening the
hexagon head screw (14). Set handle to desired
position and tighten hexagon head screw again.
At the rear end of the guide shoe (10) is a
triangular marking (8). This marking is in line with
the rear diamond cutting blade and serves as
cutting position indicator when cutting
chases.
Place the wall chaser (with motor running) with the
guide shoe (10) onto the surface the chase is to
be cut into and slowly push down until the preset
depth of cut is reached.
Then pull the wall chaser in the direction of cut,
e.g. from top to bottom as shown in figure A
(page 4) or – with horizontal cuts – towards the
operator, as in figure B (page 4).
The rib remaining between the two cuts is
removed with the clearing tool supplied.
Deep chases in hard material (e.g. concrete)
can not be cut in a single pass.
13 Overload protection
13.1 Safety clutch
Integrated into the wall chaser’s gearbox is an
automatic safety clutch. It protects the operator
from the high torque generated if the diamond
cutting blades should jam. At the same time the
safety clutch protects and frees the wall chaser’s
motor and gear box.
If the safety clutch responds switch OFF
immediately (do not let the clutch ride!)
13.2 Electronic overload protection
In the event of a
very high, brief
overload the
integrated overload protection limits the power
input to prevent a further inadmissible temperature
rise of the motor.
If, while the wall chaser is in use – as a result of
an overload – there is a sudden sharp reduction in
speed or the diamond cutting blades come to a
stop, it should be left running idle for a short time.
If the tool is subjected to an overload for an
extended period
, the LED (6) lights up. The wall
chaser should be left running idle until the motor
has cooled down to its normal operating
temperature and the LED goes off.
17
ENGLISH

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