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Once the groove is complete, switch off the
tool and hold it steady until the diamond cut-off
wheel comes to a stop. Never attempt to remove
the cutting disc from the cut while the wheel is
in motion otherwise kickback may occur.
Remove the machine from the cut. Put the machine
down on its side.
You can remove the remaining strip between the
two chases with the chase extraction chisel
provided.
Grooves of greater depth cannot be cut into
hard material (e.g. cement) in one movement.
7. Maintenance, Cleaning
Significantly reduced work progress and increased
feed force are signs for blunt diamond cut-off
wheels. Sharpen blunt diamond cut-off wheels by
carrying out short cuts into abrasive materials such
as sand-lime brick.
It is possible that particles deposit inside the power
tool during operation. This impairs the cooling of the
power tool.
The power tool should be cleaned regularly, often
and thoroughly through all front and rear air vents
using a vacuum cleaner. Prior to this operation,
separate the power tool from the power source and
wear protective goggles and a dust mask.
8. Overload protection
8.1
Safety clutch
There is an automatic safety coupling built-in to the
gears of the wall chaser. This protects the operator
from the high torque that may, for example, occur if
the diamond cut-off wheel is canted during work.
The safety coupling protects and at the same time
takes the strain off the motor and the gears of the
machine. When the safety coupling engages,
immediately switch the motor off (do not allow the
coupling to drag!),
8.2
Electronic overload indicator
The electronic signal indicator (5) is on
Load of the machine is too high! Reduce the
feed pressure until the electronic signal
indicator goes off.
9. Troubleshooting
The machine does not start. The
electronic signal indicator (5) flashes. The
restart protection is active. If the mains plug is
inserted with the machine switched on or if the
10
Always push the machine in
the stipulated direction
through the material to be
processed! See arrow (11) on
the guard. The wheel may
bind, walk up or kickback if the
power tool is restarted in the
workpiece.
power supply is restored following an interruption,
the machine does not start up. Switch the machine
off and back on again.
10. Accessories
Use only genuine Metabo accessories.
Use only accessories that fulfil the requirements
and specifications listed in these operating
instructions.
Metabo diamond cut-off wheels:
Ø 125 mm , laser-welded, suitable for dry cutting,
bore = 22.2 mm, for wall chaser MFE 40
Area of use
for hard and medium-hard
materials (e.g. concrete, including reinforced
concrete)
for abrasive materials
(e.g. abrasive cement, sandstone,
sand-lime brick, aerated concrete and similar)
6.24641
Metabo cutting wheels:
Diamond cutting wheel Dia FS2 UP
Diamond cutting wheel Dia FS3 UP
See www.metabo.com or the catalogue for a
complete range of accessories.
11. Repairs
Repairs to power tools must only be carried
out by qualified electricians!
A defective mains cable must be replaced only with
a special, original mains cable from Metabo
available from the Metabo service.
Contact your local Metabo representative if you
have Metabo power tools requiring repairs. See
www.metabo.com for addresses.
You can download a list of spare parts from
www.metabo.com.
12. Environmental Protection
The generated grinding dust may contain harmful
substances. Do not dispose with household trash;
dispose of properly at a collection point for
hazardous waste.
Observe the national regulations on
environmentally compatible disposal and on the
recycling of disused tools, packaging and
accessories.
13. Technical Specifications
Explanatory notes on the specifications on page 4.
Subject to change in accordance with technical
progress.
D
= Diameter of the diamond cut-off wheels
B
= Groove width options
T
= Adjustable depth of cut
Order number
6.24541
6.28298
6.28299
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