Bosch GCM 8 SDE Professional Manual Original página 34

OBJ_BUCH-2303-002.book Page 34 Tuesday, March 3, 2015 4:32 PM
34 | English
Special Workpieces
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.
Adjusting the Laser
Note: To test the laser function, the machine must be con-
nected to power.
 While adjusting the laser (e. g. when moving the tool
arm), never actuate the On/Off switch. Accidental start-
ing of the power tool can lead to injuries.
– Bring the power tool into the working position.
– Turn the saw table 16 to the 0° detent 25. The lever 22
must be felt to engage in the detent.
Checking: (see figure S1)
– Draw a straight cutting line on the workpiece.
– Press locking switch 9 and slowly guide the tool arm down-
ward by the handle 8.
– Align the workpiece in such a manner that the teeth of the
saw blade are in alignment with the cutting line.
– Hold the workpiece in this position and slowly guide the
tool arm upward again.
– Clamp the workpiece.
– Switch the laser beam on with switch 42.
The laser beam must be in alignment with the cutting line on
the workpiece over the complete length, also when the tool
arm is lowered.
Adjusting: (see figure S2)
– Turn the adjustment screw 57 with a suitable screwdriver
until the laser beam is parallel to the complete length of the
cutting line on the workpiece.
One rotation in anticlockwise direction moves the laser beam
from left to right; one rotation in clockwise direction moves
the laser beam from right to left.
Setting the Standard Bevel Angle 0° (Vertical)
– Bring the power tool into the working position.
– Turn the saw table 16 to the 0° detent 25. The lever 22
must be felt to engage in the detent.
Checking: (see figure T1)
– Adjust an angle gauge to 90° and position it on the saw ta-
ble 16.
The leg of the angle gauge must be flush with the saw blade 12
over the complete length.
1 609 92A 0Z4 | (3.3.15)
Adjusting: (see figure T2)
– Loosen clamping lever 43.
– Push the stop 46 completely to the rear.
– Loosen the lock nut of the stop screw 58 using a commer-
cial box-end or open-end spanner (size 10 mm).
– Screw the stop screw in or out until the leg of the angle
gauge is flush with the saw blade over the complete length.
– Tighten clamping lever 43 again.
– Afterwards, retighten the lock nut of the stop screw 58
again.
In case the angle indicator 38 is not in a line with the 0° mark
of the scale 32 after the adjustment, loosen the screw 59 us-
ing a commercial cross-head screwdriver and align the angle
indicator along the 0° mark.
Setting the Standard 45° Bevel Angle (Leftward)
– Bring the power tool into the working position.
– Turn the saw table 16 to the 0° detent 25. The lever 22
must be felt to engage in the detent.
– Remove the left-hand adjustable fence 15 (see "Moving
the Fence", page 31).
– Turn the left-hand stop 31 until the standard 45° bevel an-
gle engages at the arrow mark.
– Loosen clamping lever 43.
– Swing the tool arm to the left by the handle 8 until the stop
screw 60 rests on the stop 31.
Checking: (see figure U1)
– Set an angle gauge to 45° and place it on the saw table 16.
The leg of the angle gauge must be flush with the saw blade 12
over the complete length.
Adjusting: (see figure U2)
– Loosen the lock nut of the stop screw 60 using a conven-
tional ring spanner or open-end spanner (10 mm).
– Screw the stop screw in or out until the leg of the angle
gauge is flush with the saw blade over the complete length.
– Tighten clamping lever 43 again.
– Then retighten the lock nut of the stop screw 60.
When the angle indicators 44 and 33 are not in line with the
45° marks of scale 32 after adjusting, firstly once more check
the 0° setting for the bevel angle and the angle indicators.
Then repeat the adjustment of the 45° bevel angle.
Setting the Standard 45° Bevel Angle (Rightward)
– Bring the power tool into the working position.
– Turn the saw table 16 to the 0° detent 25. The lever 22
must be felt to engage in the detent.
– Remove the right-hand adjustable fence 15 (see "Moving
the Fence", page 31).
– Pull the stop 46 completely forward.
– Turn the right-hand stop 31 until the standard 45° bevel
angle engages at the arrow mark.
– Loosen clamping lever 43.
– Swing the tool arm to the right by the handle 8 until the
stop screw 61 rests on the stop 31.
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