Berner BROS-150 T Instrucciones De Servicio página 14

bros150t_bu_3609929A92_t.fm Seite 5 Montag, 10. Juli 2006 10:00 10
Sanding Surfaces
Only flawless sanding sheets produce good sanding
performance and protects the machine.
Switch on the machine, place the complete sanding
plate on the surface to be worked and move the ma-
chine over the work piece with moderate pressure.
Ensure uniform sanding pressure. Less sanding pres-
sure increases the sanding capacity and protects the
machine and the sanding tool.
The removal performance and the sanding pattern is
determined essentially by the choice of sanding sheet
(grain), the selected speed, the operating mode and
the application pressure.
Rough Sanding
(Operating modes 1 or 2)
Attach a sanding sheet with coarse grain (see Applica-
tion Table).
Apply only light pressure to the machine so that it runs
at high speed and high material removal is achieved.
Fine Sanding
(Operating mode 2)
Attach a sanding sheet with fine grain (see Application
Table).
By lightly varying the application pressure or changing
the speed setting, the sanding plate speed can be re-
duced whereby the eccentric movement is retained.
With moderate pressure, move the machine in a circu-
lar pattern or alternately in lengthwise and crosswise
directions over the work piece.
Do not tilt the machine to avoid sanding through the
work piece (e.g. when sanding veneer).
After finishing the work, switch off the machine and lift
it from the work piece.
3 609 929 A92 • (06.07) T
Application Table
The following table should be used only as a recom-
mendation.
The most suitable combination for the work to be per-
formed is best determined by practical trials.
Material Grain
Rough
sanding/
Fine
sanding
Paint roughing 180/400
Paint touch-up 120/400
Paint removal 40/80
Softwood 40/240
Hardwood 40/320
Veneer 240/320
Aluminium 80/240
Steel 60/240
Rust removal
from steel 40/120
Stainless steel 120/240
Stone 80/200
* I: Hard sanding plate
II: Soft sanding plate
III: Extra soft sanding plate
Polishing
For the polishing of weathered paint or buffing out of
scratches (e.g., Acrylic glass), the machine can be
equipped with appropriate tools such as a lamb's wool
bonnet, polishing felt or sponge (optional accessories).
When polishing with high speed, take care that
the polished surface does not become exces-
sively warm.
For polishing, the vacuuming adapter 4 can be re-
moved to make the machine easier to handle and to
prevent damage to the work piece (see Removing the
Vacuuming Adapter).
Apply polishing agent crosswise or in a circular motion
with a sponge and moderate pressure and then allow
to dry lightly.
Polish the partially dried polishing agent with cross-
wise or circular motions using a lamb's wool polishing
bonnet.
Cleaning the polishing tools.
Clean the polishing tools regularly to ensure good pol-
ishing results.
It is recommended to wash the polishing tools with a
mild detergent and warm water (do not use paint thin-
ning agents).
English–5
Thumb- Sanding
wheel plate*
Position
2–3
II
4–5 I
5 II
5–6 III
5–6 II
5 III
4–5
II
5 II/I
6 III
5 II
5–6 III/II