Maintenance
Service
Preventive maintenance
!WARNING performed by unauthorized personnel may result in misplacing of internal 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.
GFCI and personal protection devices like electrician’s rubber gloves and footwear will further enhance your personal safety.
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.
To avoid accidents always disconnect the tool from the power supply before cleaning or
performing any maintenance. The tool may be cleaned most effectively with compressed dry air. Always wear safety goggles when cleaning tools with compressed air.
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 ! WARNING and solvents damage
plastic parts. Some of these are: gasoline, carbon tetrachloride, chlorinated cleaning solvents, ammonia and household detergents that contain ammonia.
Extension Cords
If an extension cord is necessary, a cord with adequate size conductors that is capable
of carrying the current necessary for your tool must be used. This will prevent excessive voltage drop, loss of power or overheating. Grounded tools must use
NOTE: The smaller the gauge number, the heavier the cord.
RECOMMENDED SIZES OF EXTENSION CORDS 120 VOLT ALTERNATING CURRENT TOOLS
Tool’s | Cord Size in A.W.G. | Wire Sizes in mm2 | |||||||
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Ampere |
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Cord Length in Feet | Cord Length in Meters | ||||||||
Rating | |||||||||
25 | 50 | 100 | 150 | 15 | 30 | 60 | 120 | ||
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18 | 16 | 16 | 14 | 0.75 | 0.75 | 1.5 | 2.5 | ||
18 | 16 | 14 | 12 | 0.75 | 1.0 | 2.5 | 4.0 | ||
18 | 16 | 14 | 12 | 0.75 | 1.0 | 2.5 | 4.0 | ||
16 | 16 | 14 | 12 | 1.0 | 2.5 | 4.0 | — | ||
14 | 12 | — | — | — | — | — | — | ||
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Accessories
* Type 27 wheel guard | ** Type 1 masonry cutting guard | ||
** Type 1 wheel guard (included with model | ** Concrete dust extraction attachment | ||
| ** Grinding wheel | ||
* | Lock nut |
| ** Backing pad |
* | Backing flange | ** Hand shield | |
* | Side handle |
| (*= standard equipment) |
* | Lock nut wrench | (**= optional accessories) | |
** Surfacing guard |
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| ! WARNING | Do not use Type 11 abrasive (cup) wheels with this tool. This tool is not | |
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| designed for use with type 11 (cup) abrasive grinding wheels. | |
