Nilfisk T22 Plus Manual De Instrucciones página 29

In case of breakage, only use original Nilfisk spare parts.
Any parts that need replacing must be replaced by trained
personnel. The operator must not dismantle, tamper with
and/or service the safety filters (bypass valve filter and safety
metallic filter).
All the above prescriptions, precautions and service
operations must be observed, or the Nilfisk Warranty for
proper operation of ATEX machine Cat II 2D will become
void, the Nilfisk ATEX Declaration of Conformity will no
longer be valid and the User will be entirely responsible
for the use of the vacuum cleaner.
CAUTION!
All maintenance and cleaning operations must be
carried out when the machine is off and disconnected
from the electrical mains.
9
Atex
GB
CAtex