BM 1609929J64 12-05 12/12/05 4:07 PM Page 12
Wire Brush Operations
Wire brushes are intended to Oclean�Avoid bouncing and snagging
!WARNING
structural steel, castings, sheet metal, stonethe wire brush, especially
and concrete. They are used to remove rust,when working corners, sharp edges etc. This
scale and paint.can cause loss of control and kick-back.
BRUSHING PRESSUREaction; and if this is continued, the life of the
1. Remember, the tips of a wire brush do thebrush will be shortened due to wire fatigue.
work. Operate the brush with the lightest
3. Apply the brush to the work in such a way
pressure so only the tips of the wire come in
that as much of the brush face as possible is
contact with the work.
in full contact with the work. Applying the side
2. If heavier pressures are used, the wiresor edge of the brush to the work will result in
will be overstressed, resulting in a wiping wire breakage and shortened brush life.
CORRECT:INCORRECT:
Wire tips doingExcessive
the work.pressure can
cause wire
breakage.
Maintenance
ServiceCARBON BRUSHES
Preventive maintenanceThe brushes and commutator in your tool
!WARNING
performed by unauthorizedhave been engineered for many hours of
personnel may result in misplacing ofdependable service. To maintain peak
internal wires and components whichefficiency of the motor, we recommend every
could cause serious hazard. Wetwo to six months the brushes be examined.
recommend that all tool service be performedOnly genuine Bosch replacement brushes
by a Bosch Factory Service Center or Autho-specially designed for your tool should be used.
rized Bosch Service Station.
BEARINGS
TOOL LUBRICATIONAfter about 300-400 hours of operation, or at
Your Bosch tool has been properly lubricatedevery second brush change, the bearings
should be replaced at Bosch Factory Service
and is ready to use. It is recommended that
tools with gears be regreased with a specialCenter or Authorized Bosch Service Station.
Bearings which become noisy (due to heavy
gear lubricant at every brush change.
load or very abrasive material cutting) should
be replaced at once to avoid overheating or
motor failure.
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