SUHNER ABRASIVE UBC 9-R, Technical Document

Page: 27 / 76

thereby impairing the protective insulation of the tool. In
such cases the use of a stationary vacuuming system,
frequent blowing out of the ventilation slots and protection
by a fault current protection switch are advised.
4.1.1 w
Arning light indicAting cArBon Brush weAr
The machine is fitted with a warning light which lights
up yellow when the level of wear on the carbon brushes
becomes critical. When the warning light illuminates, the
carbon brushes must be replaced immediately.
4.1.2 c
hAnging the cArBon Brushes
The machine is equipped with two different carbon brush-
es. The carbon brushes must be changed as follows:
Loosen the screw and remove the cover.
Raise the spring, and remove the carbon brushes. Clean
the carbon brush holders. Insert new carbon brushes. It
is imperative that the brushes are arranged in the correct
order. Replace the cover and tighten the screws.
4.2 s
pAre pArts
See page 2-5.
4.3 r
epAir
If the machine strict observance of the manufacturing and
testing method the tool should happen to fail, it must be
repaired by an authorized SUHNER agency.
Any replacement needed for the connecting line must be
installed by the manufacturer or its agent if safety risks are
to be eliminated.
4.4 w
ArrAnty
In the event of the tool being improperly handled, used
for purposes for which it is not intended and/or of the ser-
vice and maintenance instructions not being observed by
non-authorized persons, no warranty shall be in effect for
damages/consequential damages.
Complaints can only be honored if the machine is re-
turned in the undisassembled condition.
4.5 s
torAge
Temperature range during operation: -15°C to +50°C
Max. relative air humidity: 90% at +30°C, 65% at +50°C
4.6 d
isposAl
/ e
nVironmentAl compAtiBility
This machine consists of materials which can be dis-
posed of in a recycling process.
Before disposal, render the machine unusable.
Do not throw the machine into the garbage collec-
tion.
According to national regulations this machine
must be recycled in an environmentally-friendly manner.
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