9
BÜCHI
Fat Determination
B-820/B-821
c) Before an alignment, maintenance, repair or replacement
of parts, the unit must be disconnected from all sources of
electric current, whenever it becomes necessary to open
the unit.
If any of the services above must be performed on a powered
on unit, it should only be done by a specialist who is famlilar
with the dangers involved.
d) It should be ensured that only fuses of the type and rated
amperage as indicated are used for replacement. The use
of repaired fuses or short-circuiting the fuse block is
prohibited.
e) If an operation free from danger cannot be ensured, the
unit must be put out of operation and protected from any
unauthorized use.
It can be assumed that an operation free from danger cannot
be ensured any more if:
•
the unit shows visible damages,
•
the unit does not work any more,
•
after long-term storage under inadequate circumstances,
•
after having been exposed to considerable strain during
transport.
2.6
Safety measures
The steel lines for hydrogen and synthetic air supplied with
the equipment have different connections to the unit preventing
improper connections.
Please make sure that connections at reduction valves are
correct.
If, due to a lack of gas pressure in the system, the electronic
valves will close preventing any hydrogen or synthetic air leaks.
Personal protective garments must be worn, such as
goggles
,
gloves
and a
laboratory coat
.
The Instruction Manual is a component of the Fat Determi-
nation Unit B-820/B-821 and should remain with the unit for
easy reference by any user. This also applies to the additional
language variants of these instructions, which can be ordered
separately.
2 Safety
