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Bosch GTM 12 Professional - Marking the Cutting Line; Hand Positioning; Permissible Workpiece Dimensions; Replacing Insert Plates

Bosch GTM 12 Professional
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62 | English
1 609 929 U05 | (9.6.09) Bosch Power Tools
Loosen the lock screw 51 and move the light-
ing unit so that the illumination of the work-
ing area is optimal.
Retighten the lock screw again.
If required, each lamp can be aligned individ-
ually.
Note: For larger vertical bevel angles, pay atten-
tion that the lighting unit 35 does not collide
with the workpiece or the fence during sawing.
(see figure J)
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, without having to
open the retracting blade guard.
For this, switch the laser beam on with the
switch 37.
Align the cutting mark on your workpiece
with reference to the right-hand edge of the
laser line.
Before sawing, check if the cutting line is still
indicated correctly (see “Adjusting the La-
ser”, page 65). The laser beam, as an exam-
ple, can misadjust due to vibrations after in-
tensive use.
Hand Positioning
(see figure N)
Keep hands, fingers and arms away from the
rotating saw blade.
Do not cross your arms when operating the
tool arm.
Permissible Workpiece Dimensions
Maximal workpiece sizes:
Minimal workpiece sizes
(= all workpieces that can be clamped left or
right from the saw blade with a screw clamp)
Replacing Insert Plates
(see figure O)
The red insert plates 26 can become worn after
long use of the machine.
Replace defective insert plates.
Bring the power tool into the chop and mitre
saw working position. (see “Working Posi-
tion”, page 59)
Unscrew the screws 52 using the slotted
screwdriver provided and remove the old in-
sert plates.
Insert the new insert plates and screw in all
screws 52 again.
Sawing
Cutting Off
Firmly clamp the workpiece as appropriate
for its dimensions.
Adjust the requested horizontal and/or verti-
cal mitre/bevel angle.
Switch on the machine.
–Push button 19 and slowly guide the tool arm
downward with the handle 20.
Saw through the workpiece applying uniform
feed.
Switch off the machine and wait until the
saw blade has come to a complete stop.
Guide the tool arm slowly upward.
Special Workpieces
When sawing curved or round workpieces,
these must be especially secured against slip-
ping. At the cutting line, no gap may exist be-
tween workpiece, fence and saw table.
Provide for special fixtures, if required.
Mitre/Bevel Angle Height x Width
Horizontal Vertical
90° 90°
95 x 151 mm
45° 90°
95 x 90 mm
90° 45°
60 x 151 mm
OBJ_BUCH-302-005.book Page 62 Tuesday, June 9, 2009 2:19 PM

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