BM F000622188 12-04 12/10/04 9:27 PM Page 11
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 wipingwire breakage and shortened brush life.
CORRECT:INCORRECT:
Wire tips doingExcessive
the work.pressure can
cause wire
breakage.
Maintenance
Serviceshould be replaced at Bosch Factory Service
Preventive maintenanceCenter or Authorized Bosch Service Station.
!WARNING
performed by unauth-Bearings which become noisy (due to heavy
load or very abrasive material cutting) should
orized personnel may result in misplacing
be replaced at once to avoid overheating or
of internal wires and components which
could cause serious hazard. Wemotor failure.
recommend that all tool service be performed
by a Bosch Factory Service Center or Autho-
Cleaning
rized Bosch Service Station.
To avoid accidents always
!WARNING
TOOL LUBRICATIONdisconnect the tool from
Your Bosch tool has been properly lubricatedthe power supply before cleaning or
and is ready to use. It is recommended thatperforming any maintenance. The tool may
tools with gears be regreased with a specialbe cleaned most effectively with compressed
gear lubricant at every brush change.dry air. Always wear safety goggles when
cleaning tools with compressed air.
CARBON BRUSHES
The brushes and commutator in your toolVentilation openings and switch levers must
have been engineered for many hours ofbe kept clean and free of foreign matter. Do
dependable service. To maintain peaknot attempt to clean by inserting pointed
efficiency of the motor, we recommend everyobjects through openings.
two to six months the brushes be examined.Certain cleaning agents
Only genuine Bosch replacement brushesand solvents damage!CAUTION
specially designed for your tool should beplastic parts. Some of these are: gasoline,
used.carbon tetrachloride, chlorinated cleaning
BEARINGSsolvents, ammonia and household
After about 300-400 hours of operation, or atdetergents that contain ammonia.
every second brush change, the bearings
-11-
15° |
ACEC
