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Bosch Professional GCM 12 - Page 43

Bosch Professional GCM 12
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English | 43
Bosch Power Tools 1 609 929 T11 | (18.1.10)
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 maintenance task quickly and reliably.
Aligning the Fine Scale (see figure P)
Bring the power tool into the working posi-
tion.
Turn the saw table 15 to the 0° detent 14.
The lever 13 must be felt to engage in the de-
tent.
Checking:
The 0° mark of the fine scale 10 must be in align-
ment with the 0° mark of the scale 9.
Adjusting:
Remove the insert plate 8.
Loosen screw 49 with the provided Phillips
screwdriver 21 and align the fine scale along-
side the 0° marks.
Retighten the screw again.
Setting the Standard Bevel Angle 0°
(Vertical)
Bring the power tool into the working posi-
tion.
Turn the saw table 15 to the 0° detent 14.
The lever 13 must be felt to engage in the de-
tent.
Checking: (see figure Q1)
Adjust an angle gauge to 90° and position it
on the saw table 15.
The leg of the angle gauge must be flush with
the saw blade 5 over the complete length.
Adjusting: (see figure Q2)
Loosen the clamping lever 32.
Loosen the lock nut of stop screw 23 with
the provided ring spanner 35 (13 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.
Retighten the clamping lever 32 again.
Afterwards, retighten the lock nut of the stop
screw 23 again.
When the angle indicator 47 is not in line with
the 0° mark of scale 51 after adjusting, loosen
screw 50 with the provided Phillips screwdriver
21 and align the angle indicator alongside the 0°
mark.
Setting the Standard Bevel Angle 45°
(Vertical)
Bring the power tool into the working posi-
tion.
Turn the saw table 15 to the 0° detent 14
.
The lever 13 must be felt to engage in the de-
tent.
Loosen the clamping lever 32 and tilt the tool
arm leftward to the stop (45°) by the handle
1.
Checking: (see figure R1)
Adjust an angle gauge to 45° and position it
on the saw table 15.
The leg of the angle gauge must be flush with
the saw blade 5 over the complete length.
Adjusting: (see figure R2)
Loosen the lock nut of stop screw 24 with
the provided ring spanner 35 (13 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.
Retighten the clamping lever 32 again.
Afterwards, retighten the lock nut of the stop
screw 24 again.
In case the angle indicator 47 is not in a line with
the 45° mark of the scale 51, firstly check the 0°
setting for the bevel angle and the angle indica-
tor again. Then repeat the adjustment of the 45°
bevel angle.
OBJ_BUCH-1040-001.book Page 43 Monday, January 18, 2010 12:35 PM

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