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Important! To maximise the service life of the helmet, it is essential to observe
the notes outlined in the instruction sheet. In particular, this contains notes for
regular checks of the helmet's serviceability, and guidelines for its cleaning, care,
maintenance and repair. Defective or worn helmet components are to be re-
placed with new original parts.
Serviceability check
Please check the shell, internal features, chinstrap and accessories at regular inter-
vals and according to use (systematically after firefighting, rescue and recovery oper-
ations):
• Any helmet that has been damaged by excessive impacts must not be used.
It must be replaced and made unusable.
• The helmet is designed to absorb the effect of only one impact. The energy from
any impact on the helmet is absorbed – similar to the crumple zone of a car – by
total or partial destruction of the helmet shell or the inner liner. The helmet should
be replaced after an impact or if subjected to any other impact force.
• It is also possible for the material structure of the helmet to be damaged but the
damage not to be visible (after a minor collision or impact). You can check this by
performing a thumb pressure test on the shell: If the shell can be pressed in with
the thumb at the affected point or at any other point (so-called indicator function),
the helmet must be replaced and made unusable, since the shell structure has un-
dergone a change in resistance.
•The painted surface of the helmet must be checked for damage, since the self-ex-
tinguishing special lacquer structure is an important thermal performance factor, and
damage to the lacquer may reduce the service life of the helmet. Small scratches on
the surface do not reduce the protective function of the helmet.
• If there is damage to the helmet that has been caused by high thermal impacts or
direct contact with chemicals (these can sometimes be identified by colour chang-
es or damage to the shell lacquer), the helmet must not be used.
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