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BM 1609929Y00 05-12_BM 1609929Y00 05-12 5/11/12 2:20 PM Page 10
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.
RUNNING NUTS AND BOLTS
Variable speed control must be used with
caution for driving nuts and bolts with socket
set attachments. The technique is to start
slowly, increasing speed as the nut or bolt runs
down. Set the nut or bolt snugly by slowing the
drill to a stop. If this procedure is not followed,
the tool will have a tendency to torque or twist
in your hands when the nut or bolt seats.
Preventive maintenance
WARNING
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 Authorized 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.
Operating Tips — cont.
Maintenance
Service
serious
hazard.
CORRECT: Wire tips doing the work.
INCORRECT: Excessive pressure can cause wire breakage.
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
WARNING
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.
CAUTION
plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning
solvents,
ammonia
detergents that contain ammonia.
-10-
BEARINGS
Cleaning
To avoid accidents always
disconnect the tool from
Certain cleaning agents
and solvents damage
and
household
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