Bosch 1199VSR - NA VSR 1/2" Dual Torque Hammer Drill Manuel d'utilisation et de sécurité - Page 10

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Service

Preventive maintenance

WARNING

performed by unauthorized

personnel may result in misplacing of

internal wires and components which

could

cause

serious

recommend that all tool service be performed

by a Bosch Factory Service Center or Autho-

rized 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

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 3-prong

plugs and receptacles.

NOTE: The smaller the gauge number, the

heavier the cord.

* Auxiliary handle

* Chuck key

* Depth gauge

* Carrying case (Model 1199VSRK only)

(*= standard equipment)

(**= optional accessories)

Maintenance

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.

hazard.

WARNING

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.

CAUTION

plastic parts. Some of these are: gasoline,

carbon tetrachloride, chlorinated cleaning

solvents, ammonia and household detergents

that contain ammonia.

Accessories

RECOMMENDED SIZES OF EXTENSION CORDS

120 VOLT ALTERNATING CURRENT TOOLS

Cord Size in A.W.G.

Tool's

Ampere

Rating

3-6

6-8

8-10

10-12

12-16

-10-

Cleaning

To avoid accidents always

disconnect the tool from

Certain cleaning agents

and

solvents

damage

Wire Sizes in mm

Cord Length in Feet

Cord Length in Meters

100 150

0.75 0.75 1.5

0.75 1.0 2.5

1.0 2.5 4.0

—

120

2.5

4.0

—