Working Advice - Bosch GOF Professional 1250 CE Manual Original

18 | English
Restarting Protection
The restarting protection feature prevents uncontrolled re-
starting of the machine after an interruption in the power sup-
ply.
To restart the operation, switch the On/Off switch 28 to the
Off position and start the machine again.
Release lever (see figure C)
The release lever 22 is automatically reset when you let go of
it. For better holding force, the release lever 22 must be
pulled back all the way. The holding force can be readjusted if
required. To do so, insert an Allen key (4 mm) into the open-
ing on the handle. Turn the Allen key clockwise to increase the
holding force, and turn it anticlockwise to reduce the holding
force.
Adjusting the Depth-of-cut (see figure D and E)
 The adjustment of the depth-of-cut may only be carried
out when the router is switched off.
For coarse adjustment of the depth-of-cut, proceed as fol-
lows:
– Place the machine with the router bit mounted on the
workpiece to be machined.
– Set the fine-adjustment path to the centre position with
the adjustment knob 24. For this, turn the adjustment
knob 24 until the marks 18 match as shown in the figure.
Afterwards, set the scale 23 to "0".
18
– Set the step buffer 9 to the lowest position; the step buffer
engages noticeably.
– Loosen the screw 15 on the depth stop 14 so that the
depth stop 14 is freely movable.
– Press the release lever 22 back and slowly guide the router
down until the router bit 5 touches the workpiece surface.
Let go of the release lever 22 again to lock this position.
– Press the depth stop 14 down until it sits on the step buffer
9.
GOF 1250 LCE: Switch on the digital depth setting at the
On/Off switch 17. Press the button 16 for setting the zero
point of the depth stop 14.
GOF 1250 CE: Set the slide with the index mark 26 to po-
sition "0" on the depth-of-cut scale 25.
– Set the depth stop 14 to the required depth-of-cut and
tighten the screw 15 on the depth stop 14.
GOF 1250 CE: Make sure you do not adjust the slide with
the index mark 26 any more.
– Push the release lever 22 and guide the plunge router to
the uppermost position.
For deep cuts, it is recommended to carry out several cuts,
each with little material removal. By using the step buffer 9,
the cutting process can be divided into several steps. For this,
adjust the desired depth-of-cut with the lowest step of the
step buffer and select the higher steps first for the initial cuts.
1 609 92A 0LW | (21.1.14)
The clearance of the steps can be changed by screwing the
adjusting screws 10 further in or out.
After a test run, the depth-of-cut can be set to the required di-
mension by turning the adjustment knob 24; turning in a
clockwise direction increases the depth-of-cut; turning in an
anticlockwise direction decreases the depth-of-cut. The scale
23 can be used for guidance. One revolution corresponds
with a setting range of 2.0 mm, one of the graduation marks
on the bottom edge of the scale 23 changes the setting range
by 0.1 mm. The maximum setting range is ± 8 mm.
Example: The required depth-of-cut should be 10.0 mm, and
the test cut resulted in a depth-of-cut of 9.6 mm.
– Turn the scale 23 to "0".
– Turn the adjustment knob 24 clockwise by 0.4 mm/4 grad-
uation marks (difference between target and actual val-
ues).
– Check the selected depth-of-cut by carrying out another
trial cut.
GOF 1250 CE: After setting the depth-of-cut, do not change
the position of the slide 26 on the depth stop 14 any more so
that you can always read the current depth-of-cut on the scale
25.
GOF 1250 LCE: The current depth-of-cut is shown on the dis-
play 20.

Working Advice

 Protect router bits against shock and impact.
Direction of Feed and Routing Process (see figure F)
 The routing process must always be carried out against
the rotation direction of the router bit 5 (up-cutting
motion). When routing in the direction with the rota-
tion of the router (down-cutting), the machine can
break loose, eliminating control by the user.
– Adjust the required depth-of-cut; see Section "Adjusting
the Depth-of-cut".
– Place the machine with the router bit mounted on the
workpiece to be machined and switch the power tool on.
– Press the release lever 22 back and slowly guide the router
down until the router bit touches the workpiece surface.
Let go of the release lever 22 again to lock this plunging
depth.
– Carry out the routing process applying uniform feed.
– After finishing the cutting process, guide the plunge router
upward again to the uppermost position.
– Switch the power tool off.
Routing with Auxiliary Guide (see figure G)
For working large workpieces, e. g. when routing grooves, a
board or wood strip can be fastened to the workpiece as an
auxiliary guide alongside which the router can be guided.
Guide the router with the flattened side of the guide plate
along the auxiliary guide.
Shaping or Molding Applications
For shaping or molding applications without the use of a par-
allel guide, the router bit must be equipped with a pilot or a
ball bearing.
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