BM 1609929J65 02-08 2/20/08 11:30 AM Page 11
Wire Brush Operations
Wire brushes are intended to “clean” structural steel, castings, sheet metal, stone and concrete. They are used to remove rust, scale and paint.
Avoid bouncing and snagging ! WARNING the wire brush, especially
when working corners, sharp edges etc. This can cause loss of control and
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.
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.
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.
Maintenance
Service
Preventive maintenance ! WARNING performed by unauth-
orized 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 brushes be examined. Only genuine Bosch replacement brushes specially designed for your tool should be used.
BEARINGS
After about