Bosch GCM 12 SDE Professional Manual Original página 36

OBJ_BUCH-2301-002.book Page 36 Monday, December 22, 2014 10:15 AM
36 | English
Minimum workpiece sizes (= all workpieces that can be
clamped left or right from the saw blade with the supplied ma-
terial clamp 39): 200 x 40 mm (length x width)
Cutting depth, max. (0°/0°):
– 70 mm
– 120 mm (with distance holder (see figure N))
Replacing Insert Plates (see figure O)
The red insert plates 20 can become worn after prolonged
use of the machine.
Replace defective insert plates.
– Bring the power tool into the working position.
– Unscrew screws 53 with the provided hex key (4 mm) 38
and remove the old insert plates.
– Insert the new right-hand insert plate.
– Screw the insert plate as far as possible to the right with
the screws 53 so that the saw blade does not come into
contact with the insert plate over the complete length of
the possible slide motion.
– Repeat the work steps in the same manner for the left-hand
insert plate.
Sawing
 Always tighten the locking knob 22 and the clamping
lever 7 firmly before sawing. Otherwise the saw blade
can become wedged in the workpiece.
Adjusting the Speed
(not available for all country-specific product versions)
The speed regulator 8 enables continuously variable adjust-
ment of the speed of the power tool even during operation.
Speed setting Speed
-1
1 3100 min
-1
2 3300 min
-1
3 3450 min
-1
4 3650 min
-1
5 3800 min
-1
6 4000 min
Sawing without Slide Movement (Cutting Off)
(see figure P)
– For cuts without slide movement (small workpieces), loos-
en the locking screw 6 if it is tightened. Push the tool arm
all the way towards the fences 2 and 1 and retighten the
locking screw 6.
– Set the desired mitre angle.
– Firmly clamp the workpiece as appropriate for its dimen-
sions.
– Switch on the machine.
– Push the locking lever 13 and guide the tool arm slowly
downward with the tool handle 12.
– 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.
1 609 92A 0Z5 | (22.12.14)
Sawing with Slide Movement
– For cuts using the slide device 36 (wide workpieces), loos-
en the locking screw 6 in case it is tightened.
– Set the desired mitre angle.
– Firmly clamp the workpiece as appropriate for its dimen-
sions.
– Pull the tool arm away from the fence 1 far enough so that
the saw blade is in front of the workpiece.
– Switch on the machine.
– Push the locking lever 13 and guide the tool arm slowly
downward with the tool handle 12.
– Press the tool arm in the direction of the fence 1 and 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.
Sawing Workpieces of the Same Length (see figure Q)
The material stop 54 (accessory) can be used for easily saw-
ing workpieces to the same length.
The material stop can be mounted on either side of the saw ta-
ble extension 28.
– Loosen lock screw 55 and swing the material stop 54 over
clamping screw 56.
– Retighten lock screw 55.
– Adjust the saw table extension 28 to the desired length
(see "Extending the Saw Table", page 34).
Adjusting the Depth Stop (Sawing Grooves) (see figure R)
The depth stop must be adjusted when a trench gap is to be
sawed.
– Swing the depth stop 41 forward.
Material
– Push the locking lever 13 and lower the tool arm to the de-
sired position.
Aluminium
– Turn adjusting screw 40, until the screw end touches
depth stop 41.
Plastics – Guide the tool arm slowly upward.
Special Workpieces
Wood
When sawing curved or round workpieces, these must be es-
pecially secured against slipping. At the cutting line, no gap
may exist between workpiece, fence and saw table.
Provide for special fixtures, if required.
Checking and Adjusting the Basic Adjustment
To ensure precise cuts, the basic adjustment of the machine
must be checked and adjusted as necessary after intensive
use.
A certain level of experience and appropriate specialty tools
are required for this.
A Bosch after-sales service station will handle this mainte-
nance task quickly and reliably.
Bosch Power Tools