7.2.6 Control switch lock 8
When chiseling, the control switch can be locked in the
"on" position.
1.
Push the control switch lock above the grip forward.
2.
Press the control switch fully.
The power tool then operates in sustained mode.
en
3.
To cancel sustained operating mode, slide the con-
trol switch lock to the rear.
The power tool then switches off.
7.2.7 Mixing
1.
Turn the function selector switch until it engages in
the "Hammer drilling" position.
8 Care and maintenance
CAUTION
Disconnect the mains plug from the power outlet.
8.1 Care of core bits and metal parts
Remove any dirt adhering to the surface of the core bits,
the chuck and drive spindle and protect their surfaces
from corrosion by rubbing them with an oily cloth from
time to time.
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 clean-
ing agents which contain silicone.
8.3 Service indicator
NOTE
The power tool is equipped with a service indicator.
Indicator
8.4 Maintenance
WARNING
Repairs to the electrical section of the power tool may
be carried out only by trained electrical specialists.
Check all external parts of the power tool for damage
at regular intervals and check that all controls operate
faultlessly. Do not operate the power tool if parts are
10
2.
Insert the quick-release chuck in the power tool's
chuck.
3.
Insert the mixing paddle.
4.
Check that the insert tool has engaged correctly by
pulling it.
5.
Bring the side handle into the desired position and
check that it is fitted correctly and secured.
6.
Plug the supply cord into the power outlet.
7.
Position the mixing paddle in the container holding
the substance to be mixed.
8.
To begin mixing, press the control switch slowly.
9.
Press the control switch fully to continue working at
full power.
10. Guide the mixing paddle carefully in order to avoid
splashing and spillage.
The outer casing of the power tool is made from impact-
resistant plastic. Sections of the grip are made from a
synthetic rubber material.
Never operate the power tool when the ventilation slots
are blocked. Clean the ventilation slots carefully using
a dry brush. Do not permit foreign objects to enter the
interior of the power tool. Clean the outside of the power
tool at regular intervals with a slightly damp cloth. Do
not use a spray, steam pressure cleaning equipment or
running water for cleaning. This may negatively affect the
electrical safety of the power tool.
Constant red light
Blinking red light
damaged or when the controls do not function faultlessly.
If necessary, the power tool should be repaired by Hilti
Service.
8.5 Checking the power tool after care and
maintenance
After carrying out care and maintenance work on the
power tool, check that all protective and safety devices
are fitted and that they function faultlessly.
End of service interval - servicing is due.
After the lamp lights for the first time,
the power tool may continue to be used
for several hours before the automatic
cut-out is activated. To ensure that the
power tool is always ready for use, it
should be returned to Hilti for servicing
in good time.
See section "Troubleshooting".