Bosch Power Tools 11318EVS User Manual download pdf (Page 8)

AUXILIARY HANDLE

The tool must be supported with the auxiliary

handle, which can be swiveled 360˚. To

reposition and/or swivel the handle, loosen

the hand grip, move the handle to the

desired position along the barrel and

securely retighten the hand grip.

POWER INDICATOR LIGHT

When you plug your tool into the power

source, the power indicator light will go “ON”

indicating the tool is receiving power.

"TOOL TIPS"

For the best penetration rates in concrete,

run the tool with a steady pressure, but do

not use excessive force as this will decrease

the efficiency of the tool.

All hammers require a short period of time to

warm up. Depending on the room

temperature, this time may vary from

approximately 15 seconds (90˚F) to 2

minutes (32˚F). A new hammer requires a

break-in period before full performance is

realized. This period may require up to 5

hours of operation.

An electric hammer is likely to be the most

expensive portable tool at the construction

job. The long wear and efficient operation of

the BOSCH hammers will more than justify

the cost for tools of this type. As earlier

pointed out, sharp accessories as well as

clean air vents are necessary for efficient

operation. Establish and follow a set

maintenance program.

Service

Preventive maintenance

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 Autho-

rized Bosch Service Station.

SERVICE REMINDER LIGHT

When the service reminder light lights up or

blinks, this will indicate that the cut-out

carbon brushes will switch off the tool in

approximately 8 hours. After that period, the

light will go off and the tool will stop running.

The tool must then be sent to a service

center for service.

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 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.

REPLACEMENT OF CORD AND

CARBON BRUSHES

Your tool is designed to provide a qualified

service technician optimal access to replace

the carbon brushes and the cord. This

provides the service technician the ability to

replace these components without the need

of disassembling the entire tool housing.

!

WARNING

Maintenance

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