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Service
Preventive maintenance performed by unautho-
WARNING
!
rized personnel may result in misplacing of in-
ternal wires and components which could cause serious hazard.
We recommend that all tool service be performed by a Bosch
Factory Service Center or Authorized Bosch Service Station.
TOOL LUBRICATION
Your Bosch tool has been properly lubricated and is ready to use.
It is recommended that tools with gears be regreased with a
special gear lubricant at every brush change.
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 brushes be examined. Only genuine Bosch replacement
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 a 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.
RECOMMENDED CUTTING CAPACITY:
Use of this tool beyond recommended capacities may lead to
WARNING
!
motor burn-out and possible electric shock.
Applicable Wheel
Dimensions
Workpiece
Configuration
(Cross-Section)
Maximum
Cutting
Capacity
(a)
Maintenance
355 mm (14") outer diameter x less than 4.5 mm (3/16")
thickness x 25.4 mm (1") hole diameter
To avoid accidents always disconnect the tool
WARNING
!
from the power supply before cleaning or per-
forming any maintenance. The tool may be cleaned most effec-
tively with compressed dry air. Always wear safety goggles when
cleaning tools with compressed air.
After each use disconnect the plug from the power source,
remove the wheel and washers to wipe deposits of dust from
housing and wheel guards. The lower wheel guard should be
wiped occasionally with a clean cloth and mild soap to prevent
deterioration from oil and grease. After cleaning check operation
and condition of the lower wheel guard to make certain it is
functional for next use.
Ventilation openings and switch levers must be kept clean and
free of foreign matter. Do not attempt to clean by inserting pointed
objects through openings.
Certain cleaning agents and solvents damage
CAUTION
!
plastic parts. Some of these are: gasoline, carbon
tetrachloride, chlorinated cleaning solvents, ammonia and house-
hold detergents that contain ammonia.
-8-
Cleaning
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