Operating instruction bladder accumulator BLAK - English
9
4
Dangers
4.1
General hazard notes
Operations must remain within the maximum and minimum limits specified on the nameplate and in
the technical documentation.
The pressure equipment must be installed ensuring that operating staff will not be endangered by
escaping operating materials should parts of the safety system trigger.
Structural modifications
Structural modifications to the pressure equipment are prohibited. Mechanical reworking or welding is
prohibited.
4.2
Installation of spare and wearing parts
The manufacturer’s guarantees will lapse should parts that have not been tested or approved by the
manufacturer be installed.
Pressure-retaining components must only be replaced by or with the approval of the
manufacturer.
Renewed acceptance testing by a notified body will be required! The N2 concentration in the
environment may increase when N2 is filled or drained. Adequate ventilation must be
ensured.
4.3
Cleaning, maintenance and repair work
Cleaning, maintenance or repair work may only be carried out by qualified technicians.
These activities require that systems pressure must be relieved on the oil side, including securing
against accidental switch-on.
The gas side pressure must also be relieved before performing work on gas side components.
