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Bosch GCM 8 SJL Professional Manual Original página 28

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28 | English
– Loosen the locking knob 20 in case it is tightened.
– Pull lever 21 and rotate the saw table 15 left or right to the
requested detent.
– Release the lever again. The lever must be felt to engage in
the detent.
Adjusting Any Mitre Angle (see figure J)
The mitre angle can be set in the range from 52° (left side) to
60° (right side).
– Loosen the locking knob 20 in case it is tightened.
– Pull lever 21 and at the same time push the locking bracket
19 until it engages in the groove intended for this. The saw
table can be moved freely now.
– Turn the saw table 15 left or right by the locking knob until
the angle indicator 23 indicates the requested mitre angle.
For mitre angles greater than 45°:
Pull the saw-table extension 13 completely outward (see
"Extending the Saw Table", page 27).
– Tighten the locking knob 20 again.
– To loosen the lever 21 again (for adjusting standard mitre
angles), pull the lever upward.
The locking bracket 19 snaps back to its original position
and lever 21 can re-engage into the detents 24.
Adjusting Bevel Angles
Adjusting Standard Bevel Angles (see figure K)
For quick and precise setting of frequently used bevel angles,
stops have been provided for the 0°, 45°, 22.5° and 33.9°
angles.
– Loosen clamping lever 41.
– Adjust stops 30 or 44 as follows:
Mitre/Bevel Angle Stop Adjustment
45°
22.5°
33.9°
– Swing the tool arm with the handle 8 to the requested po-
sition.
– Tighten clamping lever 41 again.
Adjusting Any Bevel Angle
The bevel angle can be set in a range from –2° to +47°.
– Loosen clamping lever 41.
– Turn stop 30 completely to the rear and pull stop 44 com-
pletely to the front.
The complete tilting range is now available.
– Tilt the tool arm by the handle 8 until the angle indicator 43
indicates the desired bevel angle.
– Hold the tool arm in this position and tighten clamping le-
ver 41 again.
1 609 92A 1CK | (22.5.15)
44
Push the stop completely
to the rear
30
Turn the stop completely to
the front
30
Turn the stop to the centre
30
Turn the stop to the rear
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 L)
To save energy, only switch the power tool on when using it.
– For starting operation, pull the On/Off switch 7 in the di-
rection of the handle 8.
Note: For safety reasons, the On/Off switch 7 cannot be
locked; it must remain pressed during the entire operation.
The tool arm can only be guided downward by pressing lock-
ing switch 9.
– For sawing, the locking switch 9 must be therefore pushed
in addition to pressing the On/Off switch 7.
Switching Off
– To switch off the machine, release the On/Off switch 7.
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.
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.
Marking the Cutting Line (see figure M)
A laser beam indicates the cutting line of the saw blade. This
allows for exact positioning of the workpiece for sawing, with-
out having to open the retracting blade guard.
– For this, switch the laser beam on with the switch 40.
– Align the cutting mark on your workpiece with reference to
the right-hand edge of the laser line.
Note: Before sawing, check if the cutting line is still indicated
correctly (see "Adjusting the Laser", page 29). The laser
beam, as an example, can misadjust due to vibrations after in-
tensive use.
Position of the Operator (see figure N)
 Do not stand in a line with the saw blade in front of the
machine. Always stand aside of the saw blade. This pro-
tects your body against possible kickback.
– Keep hands, fingers and arms away from the rotating saw
blade.
– Do not cross your arms when operating the tool arm.
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