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Status indicator (21)
Cause
Practical Advice
Exercise caution when cutting slots in structural walls;
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see the "Information on structural design" section.
Do not load the power tool so heavily that it comes to a
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stop.
If the power tool has been subjected to a heavy load,
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continue to run it at no-load for several minutes to
cool down the accessory.
Work with cutting depths greater than 20 mm in hard
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materials, e.g. concrete, over several work opera-
tions, so as not to overload the motor.
Clamp the workpiece if it is not secure under its own
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weight.
Diamond cutting discs become very hot while work-
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ing; do not touch them until they have cooled.
Protect the cutting disc against impact, shock and grease.
Do not subject the cutting disc to lateral pressure.
Do not attempt to reduce the speed of a diamond cutting
disc coming to a stop by applying pressure from the side.
For cutting especially hard material, e.g., concrete with high
pebble content, the diamond cutting disc can overheat and
become damaged as a result. This is clearly indicated by cir-
cular sparking, rotating with the diamond cutting disc.
If this happens, stop cutting and allow the diamond cutting
disc to cool down by running the power tool for a short time
at maximum speed with no load.
The cutting discs sharpen themselves. A noticeably de-
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creasing work rate and sparking all around the rim of the
disc are indications of a cutting disc that has become
blunt. In this case, sharpen the cutting disc by making
short cuts in abrasive material (e.g. sandstone). Sporadic
sparking is normal when working on stone and is there-
fore not a problem.
Cutting Process (see figure J)
Hold the power tool by the auxiliary handle (3) and the
handle (4).
Troubleshooting
Error
Cause
Power tool cannot be
Battery is not inserted or is discharged
switched on
Power tool and battery are outside the per-
missible operating temperature
Power tool working, but with
Battery is almost empty
interruptions
Internal error
Power tool only working for a
Battery is almost empty
short time
Strong vibrations
Cutting disc is worn or is out of balance
1 609 92A 3AM | (15.11.2024)
Solution
switch if you would like to put the power tool
into operation.
When cutting metal, make sure that the valve (16) is
closed.
Always use water cooling when cutting into concrete
(see figure H).
– Attach the adapter (18), together with the water hose,
firmly to the hose connector (17).
– Set the water flow using the valve (16) when the power
tool is switched off.
Note: Maximum permissible water pressure: 6.2 bar
Check the components of the water connection (17)
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before you use the power tool. Never use damaged
parts.
Prevent water from penetrating into the power tool
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and keep it away from persons in the work environ-
ment.
– Open the water supply and the valve (16) on the power
tool.
– Ensure that the protective guard (5) is in the correct posi-
tion (see "Aligning the Protective Guard (see figure F)",
page 22).
– Switch the power tool on (see "Switching On and Off
(see figure G)", page 23).
– Slowly and carefully plunge the cutting disc into the work-
piece.
– Switch the power tool off once you have finished the cut.
– Close the valve (16) and the water supply.
Cutting Direction
The power tool must always work in an up-grinding motion.
Otherwise there is a risk that it will be pushed uncontrolled
out of the cut.
Information on structural design
Recesses in load-bearing walls are subject to country-spe-
cific regulations. These regulations must be observed under
all circumstances. Seek advice from the responsible struc-
tural engineer, architect or construction supervisor before
starting work.
Solution
Replace or charge battery
Establish the permissible operating temperat-
ure (see "Technical Data", page 20)
Replace or charge battery
Send the power tool to an authorised after-
sales service centre for Bosch power tools
Replace or charge battery
Replace the cutting disc
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