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Maintenance
Serviceshould be replaced at Bosch Factory
Service Center or Authorized Bosch Service
Preventive maintenance
!WARNINGStation. Bearings which become noisy (due
performed by unauthorized
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 performed
by a Bosch Factory Service Center or Autho-
rized Bosch Service Station.Cleaning
TOOL LUBRICATIONTo avoid accidents,
Your Bosch tool has been properlyalways disconnect the!WARNING
lubricated and is ready to use. It istool from the power supply before
recommended that tools with gears becleaning or performing any maintenance.
regreased with a special gear lubricant atThe tool may be cleaned most effectively
every brush change.with compressed dry air. Always wear
CARBON BRUSHESsafety goggles when cleaning tools with
The brushes and commutator in your toolcompressed air.
have been engineered for many hours ofVentilation openings and switch levers must
dependable service. To maintain peakbe kept clean and free of foreign matter. Do
efficiency of the motor, we recommendnot attempt to clean by inserting pointed
every two to six months the brushes beobjects through openings.
examined. Only genuine Bosch replacement
Certain cleaning agents
brushes specially designed for your tool!CAUTION
and solvents damage
should be used.
plastic parts. Some of these are: gasoline,
BEARINGScarbon tetrachloride, chlorinated cleaning
After about 300-400 hours of operation, orsolvents, ammonia and household
at every second brush change, the bearingsdetergents that contain ammonia.
Accessories
If an extension cord is
!RECOMMENDED SIZES OF EXTENSION CORDSWARNING
necessary, a cord with120 VOLT ALTERNATING CURRENT TOOLS
adequate size conductors that is capable
of carrying the current necessary for yourToolOs Cord Size in A.W.G.Wire Sizes in mm2
Ampere
tool must be used. This will preventCord Length in FeetCord Length in Meters
Rating
excessive voltage drop, loss of power or2550 100 15015 30 60 120
overheating. Grounded tools must use 3-wire
3-6181616140.75 0.75 1.5 2.5
extension cords that have 3-prong plugs and
6-8181614120.75 1.0 2.5 4.0
receptacles.
8-10181614120.75 1.0 2.5 4.0
NOTE: The smaller the gauge number, the heavier10-12161614121.0 2.5 4.0 N
the cord.12-161412NNN N NN
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