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Chisel position adjustment
1. Engage the function selector switch in the position
( ). Do not operate the function selector switch
while the motor is running.
2. Adjust the side handle to the desired position and
check that it is fitted and secured correctly. (When
chiseling, the tool may also be held at the section of
the housing behind the chuck.)
3. Adjust the chisel to the desired position.
-CAUTION-
Do not work with the tool when the function selector
switch is in this position.
Locking the chisel
1. Engage the chisel selector switch in the ( )
position. Do not operate the function selector switch
while the motor is running.
Chiseling ( )
1. Plug the supply cord into the mains socket.
2. Position the tip of the chisel at the desired position
on the work surface.
3. Press the control switch fully.
7.2.6 Forwards/reverse rotation
-CAUTION-
Do not operate the forwards/reverse switch while the
motor is running.
1. Turn the switch to the forwards ("R") or reverse ("L")
position.
8. Care and maintenance
Unplug the supply cord from the mains socket.
8.1 Care of insert tools
Clean off dirt and dust deposits and protect your insert
tools from corrosion by wiping them from time to time
with an oil-soaked rag.
8.2 Care of the electric tool
The outer casing of the tool is made from impact-resis-
tant plastic. Sections of the grip are made from a syn-
thetic rubber material.
Never operate the tool when the ventilation slots are
blocked. Clean the ventilation slots carefully with a dry
brush. Do not permit foreign objects to enter the inte-
rior of the tool. Clean the outside of the 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 tool. Always keep the grip surfaces of the
tool free from oil and grease. Do not use cleaning agents
containing silicone.
8.3 Maintenance
Check all external parts of the tool for damage at reg-
ular intervals and check that all controls operate fault-
lessly. Do not operate the tool if parts are damaged or
when the controls do not function faultlessly. If nec-
essary, your electric tool should be repaired at a Hilti
repair center.
Repairs to the electrical section of the tool may be car-
ried out only by trained electrical specialists.
8.4 Checks after care and maintenance
After carrying out care and maintenance on the tool,
check that all protective equipment has been refitted
and that all parts function faultlessly.
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