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Bosch GHO 6500 Professional Original Instructions Manual page 17

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Certain dust, such as oak or beech dust, is considered car-
cinogenic, especially in connection with wood-treatment
additives (chromate, wood preservative). Materials con-
taining asbestos may only be worked by specialists.
– As far as possible, use a dust extraction system suitable
for the material.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filter-class respirator.
Observe the relevant regulations in your country for the
materials to be worked.
Clean the chip ejector 3 regularly. Clean a clogged chip ejec-
tor using a suitable tool, e. g. a piece of wood, compressed
air, etc.
 Do not reach into the chip ejector with your hands. They
could be injured by rotating parts.
To ensure optimum extraction of dust/chips, always work
with external dust extraction or a chip/dust bag.
Operating Modes
Adjusting the Planing Depth
With the adjustment knob 2, the planing depth can be adjust-
ed variably from 0–2.6 mm using the planing depth scale 1
(scale graduation = 0.1 mm).
Park Rest (see figure N)
The park rest 29 allows the machine to be set down directly
after operation, without danger of damaging the working sur-
face or the planer blade. While planing, the park rest 29 is tilt-
ed upwards thus enabling full contact of the rear part of the
planer base plate 8.
Starting Operation
 Observe correct mains voltage! The voltage of the pow-
er source must agree with the voltage specified on the
nameplate of the machine. Power tools marked with
230 V can also be operated with 220 V.
Switching On and Off
To save energy, only switch the power tool on when using it.
To start the machine, press the On/Off switch 5 and keep it
To lock the pressed On/Off switch 5, press the lock-on button 4.
To switch off the machine, release the On/Off switch 5 or
when it is locked with the lock-on button 4, briefly press the
On/Off switch 5 and then release it.
Working Advice
 Before any work on the machine itself, pull the mains
Planing (see figure N)
Set the required planing depth and place the front part of the
planer base plate 8 against the workpiece.
 Apply the machine to the workpiece only when
switched on. Otherwise there is danger of kickback when
the cutting tool jams in the workpiece.
Bosch Power Tools
Switch the machine on and guide the machine with even feed
over the surface to be planed.
To achieve high-grade surfaces, work only with low feed and
apply pressure on the centre of the planer base plate.
When machining hard materials (e.g. hardwood) as well as
when utilising the maximum planer width, set only low planing
depths and reduce planer feed, as required.
Excessive feed reduces the surface quality and can lead to
rapid clogging of the chip ejector.
Only sharp blades achieve good cutting capacity and give the
machine longer life.
The integrated park rest 29 also allows for continued planing
at any given location on the workpiece after an interruption:
– With the park rest folded down, place the machine on the
location of the workpiece where the planing is to be contin-
– Switch on the machine.
– Apply the supporting pressure onto the front part of the
planer base plate and slowly push the machine forward
(). This tilts the park rest upward () so that the rear
part of the planer base plate faces on the workpiece again.
– Guide the machine over the surface to be planed () with
even feed.
Beveling Edges (see figure O)
The V-grooves in the front planer base plate allow quick and
easy beveling of workpiece edges. Depending on required
bevel width, use the corresponding V-groove. For this, place
the planer with the V-groove onto the edge of the workpiece
and guide it along the edge.
Groove to be used Dimension a
Planing with Parallel/Beveling Guide (see figures K – M)
Mount the parallel guide 21 or beveling guide 25 to the ma-
chine using the corresponding fastening bolt 24. Depending
on the application, mount the rebating depth stop 28 with fas-
tening bolt 27 to the machine.
Loosen the locking nut 23 and adjust the requested rebating
width on the scale 22. Tighten the locking nut 23 again.
Adjust the requested rebating depth accordingly with the re-
bating depth stop 28.
Carry out the planing procedure several times until the re-
quested rebating depth is reached. Guide the planer applying
sideward supporting pressure.
Beveling with the Beveling Guide
When beveling rebates and
surfaces, adjust the required
slope angle with the angle ad-
justment 26.
English | 17
0 – 4
2 – 6
4 – 9
6 – 10
1 609 92A 1T5 | (19.11.15)

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