BM 1609929C33 10/03 10/28/03 2:49 PM Page 12
Maintenance
Service
Preventive maintenance
!WARNING performed by unauth- orized 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.
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
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 cut- ting) should be replaced at once to avoid overheating or motor failure.
Cleaning
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 ! CAUTION and solvents damage plastic parts. Some of these are: gasoline,
carbon tetrachloride, chlorinated cleaning solvents, ammonia and household detergents that contain ammonia.
Accessories
If an extension cord is ! WARNING 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 3- wire extension cords that have
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 | |||||||
|
|
|
|
|
|
|
| ||
Ampere |
|
|
|
|
|
|
|
| |
Cord Length in Feet | Cord Length in Meters | ||||||||
Rating | |||||||||
25 | 50 | 100 | 150 | 15 | 30 | 60 | 120 | ||
| |||||||||
|
|
|
|
|
|
|
| ||
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 | — | — | — | — | — | — | ||
|
|
|
|
|
|
|
|
| |
* Wheel guard | * Lock nut |
* Grinding wheel | * Backing flange |
* Side handle | * Lock nut wrench |
(*= standard equipment) |
|
(**= optional accessories) |
|
|