Bosch GCM 12 SD Professional Original Instructions Manual page 31

OBJ_BUCH-1130-003.book Page 31 Friday, December 5, 2014 12:37 PM
Bevel angle range
45°– 0
– Pull the left fence extension 21 completely outward (see
"Extending the Fence", page 30).
– Loosen the lock lever 16.
– Tilt the tool arm leftward via handle 7 until the angle indica-
tor 33 indicates the desired bevel angle.
– Hold the tool arm in this position and retighten the clamp-
ing lever 16.
The clamping force of the clamping lever must securely
hold the position of the tool arm at any bevel angle.
Bevel angle range (see figure K)
0 – 45°
– Pull the right fence extension 21 completely outward (see
"Extending the Fence", page 30).
– Loosen the lock lever 16.
– Lightly tilt the tool arm leftward out of the 0° position via
handle 7 and turn knob 41 until the desired bevel angle
range is indicated.
– Tilt the tool arm via handle 7 to the right until angle indica-
tor 24 indicates the desired bevel angle.
– Hold the tool arm in this position and retighten the clamp-
ing lever 16.
The clamping force of the clamping lever must securely
hold the position of the tool arm at any bevel angle.
Standard 0° Bevel Angle
To enable simple and swift resetting of the standard 0° bevel
angle, knob 41 will engage in the
– Tilt the tool arm from right to left over the 0° position.
Bevel angle range
45°+
– Pull both fence extensions 21 completely outward (see
"Extending the Fence", page 30).
– Loosen the lock lever 16.
– Lightly tilt the tool arm leftward out of the 0° position via
handle 7 and turn knob 41 until the desired bevel angle
range is indicated.
– Tilt the tool arm via handle 7 to the left or right until angle
indicator 33 or 24 indicate the desired bevel angle.
– Hold the tool arm in this position and retighten the clamp-
ing lever 16.
The clamping force of the clamping lever must securely
hold the position of the tool arm at any bevel angle.
Standard 33.9° Bevel Angle
– Standard angle 33.9°:
Pull adjustment knob 34 completely outward and turn it by
90°. Now tilt the tool arm via the handle 7 until the tool arm
can be heard to engage.
Adjusting the Handle (see figure L)
For a more convenient hand position, the handle 7 can be
turned to 4 different positions.
– Loosen clamp 5.
– Grasp and pull tongue 6 outward, then turn handle 7 until
it engages in the desired position.
– Let go of tongue 6 again and lock clamp 5.
Bosch Power Tools
Starting Operation
 Observe correct mains voltage! The voltage of the pow-
Switching On (see figure M)
– To start the machine, press the On/Off switch 27 and keep
Note: For safety reasons, the On/Off switch 27 cannot be
locked; it must remain pressed during the entire operation.
The locking lever 43 will only disengage the retracting blade
guard 10 after pressing button 8, so that the tool arm can be
lowered.
– For sawing, you must press button 8 in addition to actuat-
To save energy, only switch the power tool on when using it.
Switching Off
– To switch off the machine, release the On/Off switch 27.
Working Advice
General Sawing Instructions
 For all cuts, it must first be ensured that the saw blade
bevel angle range.
45°– 0
Protect the saw blade against impact and shock. Do not sub-
ject the saw blade to lateral pressure.
Do not saw warped/bent workpieces. The workpiece must al-
ways have a straight edge to face against the fence.
Long workpieces must be underlaid or supported at their free
end.
Position of the Operator (see figure N)
 Do not stand in a line with the saw blade in front of the
– Keep hands, fingers and arms away from the rotating saw
– Do not cross your arms when operating the tool arm.
Permissible Workpiece Dimensions
Maximum workpiece sizes:
Minimum workpiece sizes (= all workpieces that can be
clamped left or right from the saw blade with the provided
quick-action clamp 23): 185 x 40 mm (length x width)
Cutting depth, max. (0°/0°): 110 mm
er source must agree with the voltage specified on the
nameplate of the machine. Power tools marked with
230 V can also be operated with 220 V.
it pressed.
ing the On/Off switch.
at no time can come in contact with the fence, screw
clamps or other machine parts. Remove any mounted
auxiliary stops or adjust them accordingly.
machine. Always stand aside of the saw blade. This pro-
tects your body against possible kickback.
blade.
Mitre/Bevel Angle
Horizontal Vertical
0° 0°
45° 0°
0° 45° (leftward)
0° 45° (rightward)
45° 45° (leftward)
45° 45° (rightward)
English | 31
Height x Width [mm]
110 x 305
110 x 217
63 x 305
38 x 305
63 x 217
38 x 217
1 609 92A 0XM | (5.12.14)