2
Safety
CAUTION
Safety notes and emphasized texts have to be observed in either case!
WARNING
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 in this maintenance guide have the following meanings:
Used when improper compliance or non-compliance with the operating instructions, work
CAUTION
instructions, prescribed working routines, et cetera, may result in injury or accidents.
Used when improper compliance or non-compliance with the operating instructions, work
WARNING
instructions, prescribed working routines, et cetera, may result in damage to the
equipment.
IMPORTANT
Used when particular attention is required in operating the equipment.
NOTE
Used to draw attention to a noteworthy detail.
2.3
Enumerations
Enumerations 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).
CAUTION
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.
IMPORTANT
Only original spare parts must be used for repairs.
417101438_EMP_II_E60
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Rev. 12-01.19