2 Safety
The safety Notes and emphases must be observed at all times!
2.1 Safety notes
• Connection and repair work on the diaphragm metering pump must only be performed by
authorized technical personnel.
• The power supply plug must always be disconnected before starting any work on electrical
components.
• Appropriate protective clothing must be worn for any maintenance and repair work.
• The safety regulations for handling chemicals must always be observed.
2.2 Emphases
The emphases indicated here have the following meanings:
Used when improper compliance or non-compliance with the operating instructions, work
instructions, prescribed working routines, et cetera, may result in injury or accidents.
Used when improper compliance or non-compliance with the operating instructions, work
instructions, prescribed working routines, et cetera, may result in damage to the equipment.
Used when particular attention is required in operating the equipment.
Used to draw attention to a noteworthy detail.
2.3 Numberings
Numberings marked with this sign () describe an activity which must only be performed by
the installer / user.
2.4 Special safety notes for maintenance and repair work
Prior to repair and maintenance work and metering of dangerous media, always rinse the
metering head, relieve the pressure pipe and wear protective clothing (protective goggles,
gloves and apron).
Electronics repairs must only be performed by trained electricians, following the safety
regulations of the professional association VB G 4 & ZH 1/11)!
When opening covers or removing parts, components carrying live voltages may be exposed.
Connection points may also be under live voltages.
Only original spare parts must be used for repairs.
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