10 | English
1 609 92A 01D | (11.2.13) Bosch Power Tools
Dust/Chip Extraction
Before any work on the power tool, remove the battery.
Dusts from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful to
one’s health. Touching or breathing-in the dusts can cause
allergic reactions and/or lead to respiratory infections of
the user or bystanders.
Certain dusts, such as oak or beech dust, are considered
as carcinogenic, especially in connection with wood-treat-
ment additives (chromate, wood preservative). Materials
containing asbestos may only be worked by specialists.
– To achieve a high degree of dust extraction, use the vac-
uum cleaner type GAS 25/GAS 50/GAS 50 M for wood
or GAS 50 MS for wood and/or mineral dust in conjunc-
tion with this power tool.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filter-class respirator.
Observe the relevant regulations in your country for the
materials to be worked.
Mounting the Extraction Adapter (see figure B)
Fasten the extraction adapter 26 to the base plate 6 with the
fastening screw 25.
A vacuum hose with a diameter of 35 mm can be connected to
the extraction adapter 26.
The extraction adapter may not be mounted when no
external dust extraction is connected. Otherwise the ex-
traction channel can become clogged.
Do not connect a dust bag to the extraction adapter.
Otherwise the extraction system can become clogged.
To ensure optimum extraction, the extraction adapter 26
must be cleaned regularly.
External Dust Extraction
Connect the vacuum hose 27 to a vacuum cleaner (acces-
sory). An overview for connecting to various vacuum cleaners
can be found at the end of this manual.
The vacuum cleaner must be suitable for the material being
worked.
When vacuuming dry dust that is especially detrimental to
health or carcinogenic, use a special vacuum cleaner.
Operation
Operating Modes
Before any work on the power tool, remove the battery.
Adjusting the Cutting Depth (see figure C)
Adjust the cutting depth to the thickness of the work-
piece. Less than a full tooth of the blade teeth should be
visible below the workpiece.
Loosen the clamping lever 29. For a smaller cutting depth,
pull the saw away from the base plate 6; for a larger cutting
depth, push the saw toward the base plate 6. Adjust the de-
sired cutting depth at the cutting-depth scale. Tighten the
clamping lever 29 again.
The tightening tension of the clamping lever 29 can be readjust-
ed. For this, unscrew the clamping lever 29, and screw it back
again turned offset by at least 30° in anticlockwise direction.
Adjusting the Cutting Angle
It is best to place the machine on the face side of the blade
guard 4.
Loosen wing bolt 11. Tilt the saw sidewards. Adjust the de-
sired setting at the scale 13. Tighten wing bolt 11 again.
Note: For bevel cuts, the cutting depth is smaller than the set-
ting indicated on the cutting-depth scale 28.
Cutting Marks
The 0° cutting mark (9) indicates the position of the saw
blade for right-angled cuts. The 45° cutting mark (10) indi-
cates the position of the saw blade for 45° cuts.
For precise cuts, position the circular saw against the work-
piece as shown in the figure. It is best to carry out a trial cut.
Starting Operation
Inserting the battery
Use only original Bosch lithium ion batteries with the
voltage listed on the nameplate of your power tool. Using
other batteries can lead to injuries and pose a fire hazard.
Insert the charged battery 3 from the front into the base of the
power tool. Push the battery completely into the base until
the red stripe can no longer be seen and the battery is secure-
ly locked.
Switching On and Off
To start the machine, first push the lock-off button for the
On/Off switch 1 and then press the On/Off switch 2 and keep
it pressed.
To switch off the machine, release the On/Off switch 2.
Note: For safety reasons, the On/Off switch 2 cannot be
locked; it must remain pressed during the entire operation.
Run-on Brake
An integrated run-on brake reduces the run-on period of the
saw blade after switching off the machine.
Protection Against Deep Discharging
The Lithium-Ion battery is protected against deep discharging
by the “Electronic Cell Protection (ECP)”. When the battery is
empty, the machine is switched off by means of a protective
circuit: The inserted tool no longer rotates.
Working Advice
Protect saw blades against impact and shock.
Guide the machine evenly and with light feed in the cutting di-
rection. Excessive feed significantly reduces the service life of
the saw blade and can cause damage to the power tool.
Sawing performance and cutting quality depend essentially
on the condition and the tooth form of the saw blade. There-
45°0°
0° 45°
OBJ_BUCH-765-002.book Page 10 Monday, February 11, 2013 11:29 AM
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