Starting Operation; Working Advice - Bosch GCM 80 SJ Professional Notice Originale

OBJ_BUCH-2154-003.book Page 24 Monday, March 6, 2017 11:48 AM
24 | English
– Pull the lever 26 and turn the saw table 22 until the desired
mitre angle is indicated on the angle indicator 24.
– Tighten the locking knob 25 again.
For quick and precise setting of often used mitre angles,
detents 28 are provided on the saw table:
Left
0°
45° 22.5° 15°
– Loosen the locking knob 25 in case it is tightened.
– Pull lever 26 and rotate the saw table 22 left or right to the
requested detent.
– Release the lever again. The lever must be felt to engage in
the detent.
– Tighten the locking knob 25 again.
Adjusting Bevel Angles (see figure I)
The bevel angle can be set in the range from 0° to 45°.
– Pull the adjustable fence 6 completely outward.
– Loosen the lock lever 10.
– Tilt the tool arm by the handle 16 until the angle indicator
32 indicates the desired bevel angle.
– Hold the tool arm in this position and retighten the clamp-
ing lever 10.
For quick and precise setting of the standard angles 0°
and 45°, end stops are provided on the housing.
– Pull the adjustable fence 6 completely outward.
– Loosen the lock lever 10.
– To do so, swivel the tool arm by the handle 16 to the stop
34 to the right (0°) or to the stop 8 to the left (45°).
– Retighten the lock lever 10 again.

Starting Operation

 Observe correct mains voltage! The voltage of the pow-
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.
Switching On (see figure J)
To save energy, only switch the power tool on when using it.
– To start the machine, press the On/Off switch 15 and keep
it pressed.
Note: For safety reasons, the On/Off switch 15 cannot be
locked; it must remain pressed during the entire operation.
The tool arm can only be guided downward by pressing lock-
ing switch 17.
– For sawing, the locking switch 17 must be therefore
pushed in addition to pressing the On/Off switch 15.
Switching Off
– To switch off the machine, release the On/Off switch 15.

Working Advice

General Sawing Instructions
 For all cuts, it must first be ensured that the saw blade
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.
1 609 92A 3BW | (6.3.17)
Only saw materials which are permitted within the scope of
the intended use.
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.
Right
Make sure that the retracting blade guard operates properly
and that it can move freely. The retracting blade guard must
15° 22.5° 45°
open when the tool arm is guided downward. When the tool
arm is guided upward, the retracting blade guard must close
again over the saw blade and lock in the uppermost position
of the tool arm.
Position of the Operator (see figure K)
 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 supplied ma-
terial clamp 7): 100 x 40 mm (length x width)
Cutting depth, max. (0°/0°): 70 mm
Replacing Insert Plates (see figure L)
The red insert plates 23 can become worn after prolonged
use of the machine.
Replace defective insert plates.
– Bring the power tool into the working position.
– Unscrew the screws 43 with a hex key (4 mm) and remove
– Insert the new right-hand insert plate.
– Screw the insert plate as far as possible to the right with
– Repeat the work steps in the same manner for the left-hand
Sawing
 Always tighten the locking knob 25 firmly before saw-
Sawing without Slide Movement (Cutting Off)
(see figure M)
– For cuts without slide movement (small workpieces), loos-
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°
the old insert plates.
the screws 43 so that the saw blade does not come into
contact with the insert plate over the complete length of
the possible slide motion.
insert plate.
ing. Otherwise the saw blade can become wedged in the
workpiece.
en the locking screw 11 if it is tightened. Push the tool arm
all the way towards the fences 6 and 21 and retighten the
locking screw 11.
Height x Width [mm]
70 x 270
70 x 190
45 x 270
Bosch Power Tools