Care And Maintenance; Troubleshooting - Hilti TE30 Manual De Instrucciones

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.
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

9 Troubleshooting

Fault
The power tool doesn't start.
The tool cuts out while running.
The power tool doesn't start
and the indicator lamp blinks
yellow.
No hammering action.
The power tool doesn't achieve
full power.
The drill bit doesn't rotate.
The drill bit can't be released.
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
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.
The supply cord or plug is defective.
The carbon brushes are worn.
The control switch is defective.
Drilling for too long at low speed.
The power tool has not been un-
locked (power tools with optional theft
protection system).
The power tool is too cold.
The function selector switch is set to
"Drilling without hammering".
The extension cord's conductor cross
section is inadequate.
The control switch is not pressed
fully.
The function selector switch is not
engaged or is in the "Chiseling" or
"Chisel adjustment" position.
The chuck is not pulled back fully.
maintenance
Remedy
Plug in another electric appliance and
check whether it works.
Have it checked by a trained electrical
specialist and replaced if necessary.
Have it checked by a trained electrical
specialist and replaced if necessary.
Have it checked by a trained electrical
specialist and replaced if necessary.
Release the switch and then press it
again.
Use the TPS key to unlock the power
tool.
Allow the power tool to warm up to
the minimum operating temperature.
See section: 7.2.3 Hammer drilling 9
Set the function selector switch to
"Hammer drilling".
Use an extension cord with an ade-
quate conductor cross section.
See section: 6.2 Use of extension
cords and generators or transformers
Press the control switch as far as it
will go.
Move the function selector switch to
the "Hammer drilling" position when
the motor has stopped.
Pull the chuck back as far as it will go
and remove the insert tool.
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