8. Reduce drilling speed shortly before breaking
through in order to avoid damage to the surface at
the rear side.
7.2.4 Chiseling (TE 30‑C‑AVR, TE 30‑M‑AVR)
NOTE
The chisel can be adjusted to 12 different positions
(in 30° increments). This ensures that flat chisels and
shaped chisels can always be set to the optimum working
position.
7.2.4.1 Positioning the chisel (TE 30‑C‑AVR,
TE 30‑M‑AVR)
CAUTION
Do not operate the power tool with the switch set to
this position.
1. Turn the function selector switch until it engages in
the “Chisel adjustment” 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. (The
power tool can also be held securely at the grip
section of the chuck.)
3. Rotate the chisel to the desired position.
7.2.4.2 Locking the chisel (TE 30‑C‑AVR,
TE 30‑M‑AVR)
1. Turn the function selector switch until it engages in
the “Chiseling” position. Do not operate the function
selector switch while the motor is running.
7.2.4.3 Chiseling
9
1. Plug the supply cord into the power outlet.
2. Position the tip of the chisel at the point where
chiseling is to begin.
3. Press the control switch fully.
7.2.5 Forward / reverse
10
CAUTION
Do not operate the forward / reverse switch while the
motor is running.
1. Turn the forward / reverse switch to the forwards (R)
or reverse (L) 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 clean-
ing agents which contain silicone.
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.
8.3 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
damaged or when the controls do not function faultlessly.
If necessary, the power tool should be repaired by Hilti
Service.
8.4 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.
en
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Printed: 16.05.2014 | Doc-Nr: PUB / 5070822 / 000 / 02
