Maintenance - Bosch GWS10-450 Operating/Safety Instructions Manual

Service
Preventive maintenance performed by un -
au thorized personnel may result in
misplacing of
components which could cause serious
hazard. We recom mend that all tool service
be performed by a Bosch Factory Service
Center or Authorized Bosch Service Station.
SERVICE MEN: Disconnect tool and/or
charger from power source before servicing.
Tool Lubrication
Your Bosch tool has been properly
lubricated and is ready for use.
Carbon Brushes
The brushes and commutator in your tool
have been engineered for many hours of
dependable service. To maintain peak
efficiency of the motor, we recommend
every two to six months the brush es be
examined. Only genuine Bosch replace ment
brushes specially designed for your tool
should be used.
Bearings
After about 300-400 hours of operation, or
at every second brush change, the bearings
should be replaced at Bosch Factory Service
Center or Authorized Bosch Service Station.
Bearings which become noisy (due to heavy
load or very abrasive material cutting)
should be replaced at once to avoid
overheating or motor failure.

Maintenance

To avoid accidents, always disconnect the tool and/or charger from the
power supply before servicing or cleaning.
NO USER SERVICEABLE
PARTS INSIDE.
internal wires
Cleaning
plastic parts. Some of these are: gasoline,
car bon tetrachloride, chlorinated cleaning
and solvents,
detergents that contain ammonia.
Ventilation openings and switch levers must
be kept clean and free of foreign matter. Do
not attempt to clean by inserting pointed
objects through opening.
-24-
Certain cleaning agents
and solvents damage
ammonia and household