Maintenance - Bosch GWS8-45-2P Operating/Safety Instructions Manual

BM 2610043215_GWS8-45 1/29/16 1:59 PM Page 14
Wire brushes are intended to "clean" structural
steel, castings, sheet metal, stone and
concrete. They are used to remove rust, scale
and paint.
especially when working corners, sharp edges
etc. This can cause loss of control and kick-
back.
BRUSHING PRESSURE
1. Remember, the tips of a wire brush do the
work. Operate the brush with the lightest
CORRECT:
Wire tips doing
the work.
CORRECT:
Wire tips doing
the work.
rized personnel may result in misplacing of
internal wires and components which
could cause serious hazard. We recommend
that all tool service be performed by a Bosch
Factory Service Center or Autho rized Bosch
Service Station.
TOOL LUBRICATION
Your Bosch tool has been properly lubricated
and is ready to use. It is recommended that
tools with gears be regreased with a special
gear lubricant at every brush change.
CARBON BRUSHES
The brushes and commutator in your tool have
been engineered for many hours of
dependable service. To maintain peak
efficiency of the motor, we recommend every
two to six months the brush es be examined.
Wire Brush Operations
Avoid bouncing
snagging the wire brush,
WIRE WHEEL BRUSH
WIRE CUP BRUSH

Maintenance

Service
Preventive maintenance
performed by unautho -
pressure so only the tips of the wire come in
contact with the work.
2. If heavier pressures are used, the wires will
be overstressed, resulting in a wiping action;
and
and if this is continued, the life of the brush
will be shortened due to wire fatigue.
3. Apply the brush to the work in such a way
that as much of the brush face as possible is
in full contact with the work. Applying the side
or edge of the brush to the work will result in
wire breakage and shortened brush life.
INCORRECT:
Excessive
pressure can
cause wire
breakage.
INCORRECT:
Excessive pressure
can cause wire
breakage.
Only genuine Bosch replace ment brushes
specially designed for your tool should be used.
After about 300-400 hours of operation, or at
every second brush change, the bearings
should be replaced at Bosch Factory Service
Center or Au thorized Bosch Service Station.
Bearings which become noisy (due to heavy
load or very abrasive material cut ting) should
be replaced at once to avoid overheating or
motor failure.
tool from the power supply before cleaning
or performing any main tenance. The tool
may be cleaned most effectively with
compressed dry air. Always wear safety gog -
gles when cleaning tools with compressed
air.
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BEARINGS
Cleaning
To avoid accidents
always dis connect the