7.2 Operation
CAUTION
Working on the material may cause it to splinter.
Wear eye protection and protective gloves. Wear
breathing protection if no dust removal system is
used. Splintering material presents a risk of injury to
the eyes and body.
CAUTION
The work generates noise. Wear ear protectors.
Exposure to noise can cause hearing loss.
7.2.1 Working at low temperatures
NOTE
The hammering mechanism works only when the
power tool has reached a minimum operating tem-
perature.
Bring the drill bit into contact with the base material
and allow the power tool to run under no load until
the minimum operating temperature is reached. If
necessary, repeat this procedure until the hammering
mechanism begins to operate.
7.2.2 Drilling without hammering 8
1. Turn the function selector switch until it engages
in the “Drilling without hammering” position. Do
not operate the function selector switch while
the motor is running.
2. Bring the side handle into the desired position
and check that it is fitted correctly and secured.
3. Plug the supply cord into the power outlet.
4. Position the power tool and drill bit at the point
where the hole is to be drilled.
5. Press the control switch slowly (drill at a low
speed until the drill bit centers itself in the hole).
6. Press the control switch fully to continue drilling
with full power.
7. Adjust the pressure applied to the power tool
according to the material you are working on.
This will ensure the optimum rate of drilling
progress.
7.2.3 Hammer drilling 8
1. Turn the function selector switch until it engages
in the “Hammer drilling” position. Do not operate
the function selector switch while the motor is
running.
2. Bring the side handle into the desired position
and check that it is fitted correctly and secured.
3. Plug the supply cord into the power outlet.
4. Position the power tool and drill bit at the point
where the hole is to be drilled.
5. Press the control switch slowly (drill at a low
speed until the drill bit centers itself in the hole).
6. Press the control switch fully to continue drilling
with full power.
7. Do not apply excessive pressure. This will not
increase the power tool’s hammering perform-
ance. Lower pressure extends the life of the
insert tool.
8. Reduce drilling speed shortly before breaking
through in order to avoid spalling.
7.2.4 Forward / reverse 9
CAUTION
Do not operate the forward / reverse switch while the
motor is running.
Move the forward/reverse switch to the “Forward” or
“Reverse” position.
8. Care and maintenance
CAUTION
Disconnect the mains plug from the power outlet.
8.1 Care of insert tools
Clean off dirt and dust deposits adhering to the insert
tools and protect them from corrosion by wiping the
insert tools from time to time with an oil-soaked rag.
8.2 Care of the power tool
CAUTION
Keep the power tool, especially its grip surfaces,
clean and free from oil and grease. Do not use
cleaning agents which contain silicone.
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