Bosch GCM 12 MX Professional Original Instructions Manual page 18

OBJ_BUCH-3086-002.book Page 18 Monday, January 23, 2017 12:48 PM
18 | English
– Pull lever 10 and at the same time, push mitre detent over-
ride 11 down at the front.
This locks lever 10 and the saw table can move freely.
– Turn the saw table 30 left or right by the locking knob until
the angle indicator 12 indicates the requested mitre angle.
– Tighten the locking knob 9 again.
– To loosen the lever 10 again (for adjusting standard mitre
angles), pull the lever upward.
The mitre detent override 11 snaps back to its original po-
sition and lever 10 can re-engage into the detents 29.
Adjusting Bevel Angles
Adjusting Standard Bevel Angles (see figure L)
For quick and precise adjustment of commonly used bevel an-
gles, stops are provided for 0°, 45° and 33.9° angles.
– Loosen clamping lever 23.
– Adjust stops 19 or 26 as follows:
Mitre/Bevel
Angle Stop Adjustment
0° 26 Push the stop completely to
the rear
45° 19 Turn the stop to the rear
33.9° 19 Turn the stop to the centre
– Swing the tool arm with the handle 4 to the requested po-
sition.
– Tighten clamping lever 23 again.
Adjusting Any Bevel Angle
The bevel angle can be set in a range from –2° to +47°.
– Loosen clamping lever 23.
– Turn stop 19 completely to the front and pull stop 26 com-
pletely to the front.
The complete tilting range is now available.
– Tilt the tool arm by the handle 4 until the angle indicator 25
indicates the desired bevel angle.
– Hold the tool arm in this position and tighten clamping le-
ver 23 again.
Permissible Workpiece Dimensions
Maximum workpiece sizes:
Mitre/Bevel Angle
Horizontal Vertical
0°
45°
0°
45°
Minimum workpiece sizes
(= all workpieces that can be clamped left or right from the
saw blade with the supplied material clamp 37):
128 x 40 mm (length x width)
1 609 92A 2HL | (23.1.17)
Starting Operation
 Observe the mains voltage! The voltage of the power
Switching On (see figure M)
To save energy, only switch the power tool on when using it.
– For starting operation, pull the On/Off switch 31 in the di-
Note: For safety reasons, the On/Off switch 31 cannot be
locked; it must remain pressed during the entire operation.
The tool arm can only be guided downward when pressing le-
ver 22.
– For sawing, you must additionally press lever 22 in addi-
Switching Off
– To switch off the machine, release the On/Off switch 31.
Working Advice
General Sawing Instructions
 For all cuts, it must first be ensured that the saw blade
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.
Workpiece against fence
0° 75 x 200
0° 75 x 141
45° 38 x 200
45° 38 x 141
Cutting depth, max.
Workpiece against fence (0°/0°): 75 mm
Workpiece against distance-stop
(moved toward the front) (0°/0°): 100 mm
source must correspond with the data on the type plate of
the machine.
rection of the handle 4.
tion to actuating the On/Off switch 31.
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.
Height x Width [mm]
Workpiece against distance-stop
(moved toward the front)
100 x 150
100 x 100
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Bosch Power Tools