Care And Maintenance; Troubleshooting - Hilti TE 16 Operating Instructions Manual

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
en
with an oil-soaked rag.
8.2 Care of the electric 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.
The outer casing of the tool is made from impactresis-
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 using a dry brush. Do not permit foreign objects
to enter the interior of the tool. Clean the outside of the
tool at regular intervals with a slightly damp cloth. Do not

9. Troubleshooting

Fault
The tool doesn't start.
The power tool doesn't
start and the indicator
lamp blinks yellow.
No hammering action.
The tool does not
achieve full power.
Drill bit doesn't rotate.
The drill bit cannot be
released from the chuck.
The drill bit makes no
progress.
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Printed: 07.07.2013 | Doc-Nr: PUB / 5070798 / 000 / 00
Possible cause
Fault in mains supply.
Supply cord or plug defective.
Control switch defective.
The power tool has not been activated
(tools with optional theft protection
system)
The tool is too cold.
The function selector switch is set to
rotary drilling.
Extension cord with inadequate cross
section used.
Control switch not fully pressed.
Function selector switch not
engaged.
Chuck sleeve not pulled back fully.
Side handle not correctly fitted or
moved out of place.
The forwards/reverse switch is set to
reverse rotation.
use a spray, steam pressure cleaning equipment or run-
ning water for cleaning. This may negatively affect the
electrical safety of the tool.
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.
Remedy
Plug in another electric appliance and
check whether it works.
Have the cord checked and, if neces-
sary, replaced by an electrical specialist.
Have it checked and, if necessary,
replaced by an electrical specialist.
Use the activation key to activate the
power tool.
Allow the tool to warm up to the mini-
mum operating temperature.
(See "Operation".)
Set the function selector switch to ham-
mer drilling.
Use an extension cord with adequate
cross section. (See "Before use".)
Press the control switch as far as it will
go.
After rotation has stopped, move the
function selector switch until it
engages.
Pull the chuck sleeve back as far as it
will go and remove the insert tool.
Release the side handle and reposition it
correctly so that the clamping band and
side handle are engaged in the groove.
(see 6.1)
Set the switch to forwards rotation.