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Maintenance
Serviceshould be replaced at Bosch Factory
Preventive maintenanceService Center or Authorized Bosch Service
!WARNING
performed by unauthorizedStation. Bearings which become noisy (due
personnel may result in misplacing ofto heavy load or very abrasive material cut-
internal wires and components whichting) should be replaced at once to avoid
could cause serious hazard. Weoverheating or motor failure.
recommend that all tool service be
Cleaning
performed by a Bosch Factory Service
Center or Authorized Bosch Service Station.To avoid accidents always
!WARNING
disconnect the tool from
TOOL LUBRICATIONthe power supply before cleaning or
Your Bosch tool has been properlyperforming any maintenance. The tool may
lubricated and is ready to use. It isbe cleaned most effectively with
recommended that tools with gears becompressed dry air. Always wear safety
regreased with a special gear lubricant atgoggles when cleaning tools with
every brush change.compressed air.
CARBON BRUSHESVentilation openings and switch levers must
The brushes and commutator in your toolbe kept clean and free of foreign matter. Do
have been engineered for many hours ofnot attempt to clean by inserting pointed
dependable service. To maintain peakobjects through openings.
efficiency of the motor, we recommend
Certain cleaning agents
every two to six months the brushes be!CAUTION
and solvents damage
examined. Only genuine Bosch replacement
plastic parts. Some of these are: gasoline,
brushes specially designed for your tool
carbon tetrachloride, chlorinated cleaning
should be used.
solvents, ammonia and household detergents
BEARINGSthat contain ammonia.
After about 300-400 hours of operation, or at
every second brush change, the bearings
Accessories
If an extension cord isRECOMMENDED SIZES OF EXTENSION CORDS
WARNING!
necessary, a cord with120 VOLT ALTERNATING CURRENT TOOLS
adequate size conductors that is capable
ToolOs Cord Size in A.W.G.Wire Sizes in mm2
of carrying the current necessary for your
Ampere
tool must be used. This will preventRatingCord Length in FeetCord Length in Meters
excessive voltage drop, loss of power or2550 100 15015 30 60 120
overheating. Grounded tools must use 3-wire
3-618161614.75 .75 1.5 2.5
extension cords that have 3-prong plugs and
6-818161412.75 1.0 2.5 4.0
receptacles.
8-1018161412.75 1.0 2.5 4.0
NOTE: The smaller the gauge number, the10-12161614121.0 2.5 4.0 N
heavier the cord.12-161412NNN N NN
* Backing flange* Vacuum hose adapter
* Abrasive wheel** Vacuum hose
* Lock nut
* Lock nut wrench(*= standard equipment)
* Auxiliary handle(**= optional accessories)
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