Care And Maintenance; Troubleshooting; Disposal - Hilti DAG 450-S Manual De Instrucciones

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8 Care and maintenance

CAUTION
Disconnect the mains plug from the power outlet.
8.1 Care of the power tool
DANGER
Under extreme conditions, when used for working on
metal, conductive dust may accumulate inside the tool.
This may have an adverse effect on the tool's protective
insulation. Under such conditions, the tool should be
plugged into a ground fault circuit interrupter (GFCI)
and use of a stationary dust removal system and
frequent cleaning of the tool's cooling air slots is
recommended.
The outer casing of the power tool is made from impact-
resistant plastic.
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

9 Troubleshooting

Fault
The power tool doesn't start.
The power tool doesn't achieve
full power.

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.
electrical safety of the power tool. Always keep the grip
surfaces of the power tool free from oil and grease. Do
not use cleaning agents which contain silicone.
8.2 Maintenance
WARNING
Do not operate the tool if parts are damaged or when
the controls do not function faultlessly. If necessary,
the power tool should be repaired by Hilti Service.
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.
8.3 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 extension cord's conductor cross
section is inadequate.
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.
Use an extension cord with an ade-
quate conductor cross section.
en
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