Tool Lubrication; Carbon Brushes - Bosch 1974-8 Instrucciones De Funcionamiento Y Seguridad

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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 if this is continued, the life of the
brush will be shortened due to wire fatigue.
CORRECT:
Wire tips doing
the work.
CORRECT:
Wire tips doing
the work.
Preventive maintenance
W RNING
performed by unauth-
orized personnel may result in misplacing
of internal wires and components which
could cause
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 brushes be examined.
Only genuine Bosch replacement brushes
specially designed for your tool should be
used.
BEARINGS
After about 300-400 hours of operation, or at
every second brush change, the bearings
WIRE WHEEL BRUSH
WIRE CUP BRUSH
Maintenance
Service
serious hazard.
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.
should be replaced at Bosch Factory Service
Center or Authorized Bosch Service Station.
Bearings which become noisy (due to heavy
load or very abrasive material cutting) should
be replaced at once to avoid overheating or
motor failure.
We
To avoid accidents always
W RNING
disconnect the tool from
the power supply before cleaning or
performing any maintenance. The tool may
be cleaned most effectively with compressed
dry air. Always wear safety goggles when
cleaning tools with compressed air.
Ventilation openings and switch levers must
be kept clean and free of foreign matter. Do
not attempt to clean by inserting pointed
objects through openings.
C UTION
plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning
solvents, ammonia
detergents that contain ammonia.
-15-
Cleaning
Certain cleaning agents
and solvents damage
and household