Maintenance
ServiceTo check brushes: Disconnect battery pack
NO USER SERVICEABLEfrom tool. Rotate brush cap at the rear part of
!WARNINGhousing counter-clockwise with a coin or
PARTS INSIDE. Preventive
maintenance performed by unauthorizedFig. 7
personnel may result in misplacing of
internal wires and components whichFIG. 7
could cause serious hazard. We recom-
mend that all tool service be performed by a
Bosch Factory Service Center or Authorized
Bosch Service Station. SERVICEMEN:
Disconnect tool and/or charger from power
source before servicing.
BATTERIES
Be alert for battery packs that are nearing
BRUSH
their end of life. If you notice decreased
tool performance or significantly shorter
BRUSH
running time between charges then it is timeCAP
to replace the battery pack. Failure to do so
can cause the tool to operate improperly orLift out the brushes; note which way they face,
so that the brushes can be returned to their
damage the charger.
original position. New brushes can also be
Long term battery storage should be ininserted turned 1801. Clean the brush holder
the discharged state. Battery packs last
openings with compressed air or a clean cloth
longer and re-charge better when they areand replace the brushes and brush covers.
stored discharged. Remember to fully re-
After replacing brushes the tool should be run
charge battery packs before using after
prolonged storage.at no-load and run it freely at full speed for 2
minutes before using the tool. This will allow
TOOL LUBRICATIONthe brushes to Oseat� properly and will give
Your Bosch tool has been properly lubricatedyou more hours of life from each set of
and is ready for use.brushes.
Only genuine Bosch replacement brushes
CARBON BRUSHES
The brushes and commutator in your tool havespecially designed for your tool should be
been engineered for many hours ofused.
dependable service.D.C. MOTORS
If your tool runs sporadically, loses power,The motor in your tool has been engineered
makes unusual noises or runs at a reducedfor many hours of dependable service. To
speed, check the brushes. To continue usingmaintain peak efficiency of the motor, we
the tool in this condition will permanentlyrecommend it be examined every six months.
damage your tool.Only a genuine Bosch replacement motor
Check both brushes. Usually the brushes willspecially designed for your tool should be
not wear out simultaneously. If one brush isused.
worn out, replace both brushes.
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ACEC
