WIRE BRUSHES2. If heavier pressures are used, the wires
Work with brushes requires high speeds.will be overstressed, resulting in a wiping
action; and if this is continued, the life of the
BRUSHING PRESSURE
brush will be shortened due to wire fatigue.
1. Remember, the tips of a wire brush do the
work. Operate the brush with the lightest3. Apply the brush to the work in such a way
pressure so only the tips of the wire come inthat as much of the brush face as possible is
contact with the work.in full contact with the work. Applying the side
or edge of the brush to the work will result in
CORRECT: Wire tips doing the work.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,
INCORRECT: Excessive pressure can cause wire breakage.the tool will have a tendency to torque or twist
in your hands when the nut or bolt seats.
Maintenance
ServiceTOOL LUBRICATION
NO USER SERVICEABLEYour Bosch tool has been properly lubricated
!WARNING
PARTS INSIDE, except forand is ready for use.
the replaceable carbon brushes.D.C. MOTORS
Preventive maintenance performed by The motor in your tool has been engineered
unauthorized personnel may result infor many hours of dependable service. To
misplacing of internal wires andmaintain peak efficiency of the motor, we
components which could cause seriousrecommend it be examined every six months.
hazard. We recommend that all tool serviceOnly a genuine Bosch replacement motor
be performed by a Bosch Factory Servicespecially designed for your tool should be
Center or Authorized Bosch Service Station.used.
SERVICEMEN: Disconnect tool and/or
CARBON BRUSHES
charger from power source before servicing.
The brushes and commutator in your tool have
BATTERIES
been engineered for many hours of
Be alert for battery packs that are nearingdependable service.
their end of life. If you notice decreased
If your tool runs sporadically, loses power,
tool performance or significantly shorter
running time between charges then it is timemakes unusual noises or runs at a reduced
speed, check the brushes. To continue using
to replace the battery pack. Failure to do so
the tool in this condition will permanently
can cause the tool to operate improperly or
damage the charger.damage your tool.
Long term battery storage should be inCheck both brushes. Usually the brushes will
the discharged state. Battery packs lastnot wear out simultaneously. If one brush is
longer and re-charge better when they areworn out, replace both brushes.
stored discharged. Remember to fully re-
charge battery packs before using after
prolonged storage.
-12-
15° |
ACEC
