Troubleshooting; Disposal - Hilti TE 1 Operating Instructions Manual

shield and then fit a new dust shield. Press it in firmly
until it engages.
8.4 Maintenance
WARNING
Repairs to the electrical section of the power tool may
be carried out only by trained electrical specialists.
en
Check all external parts of the power tool for damage
at regular intervals and check that all controls operate

9 Troubleshooting

Fault
The power tool doesn't start.
No hammering action.
The power tool doesn't achieve
full power.
The drill bit can't be released.
The drill bit makes no progress.

10 Disposal

Most of the materials from which Hilti power tools or appliances are manufactured can be recycled. The materials
must be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements for
taking back your old power tools or appliances for recycling. Please ask your Hilti customer service department or
Hilti representative for further information.
20
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.
8.5 Checking the power tool after care and
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.
Possible cause
Interruption in the electric supply.
Supply cord or plug defective.
The control switch is defective.
Other electrical fault.
The carbon brushes are worn.
The power tool is too cold.
The extension cord's conductor cross
section is inadequate.
The control switch is not pressed
fully.
The chuck is not pulled back fully.
The forward/reverse switch is set to
reverse rotation.
maintenance
Remedy
Plug in another electric appliance and
check whether it works.
Have this checked by a trained elec-
trical specialist and replaced if neces-
sary.
Have this checked by a trained elec-
trical specialist and replaced if neces-
sary.
Have this checked by a trained elec-
trical specialist.
Have this checked by a trained elec-
trical specialist and replaced if neces-
sary.
Allow the power tool to warm up to
the minimum operating temperature.
See section: 7.2.1 Working at low
temperatures
Use an extension cord with an ad-
equate conductor cross section.
(Please refer to the "Description" sec-
tion.)
Press the control switch as far as it
will go.
Pull the chuck back as far as it will go
and remove the insert tool.
Set the forward/reverse switch to for-
ward rotation.