Safety
Revision 4 | Operating instructions sample cleaner SLN 4
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2
Safety
NOTICE
It is strictly forbidden to disable the safety devices or to change their mode of
operation.
2.1
Installed safety systems
The installed safety systems must be checked with corresponding test methods at regular testing
intervals; refer to the following table:
Test intervals
Test methods
d
=
daily
w
=
weekly
m
=
monthly
¼ y
=
quarterly
½ y
=
half-yearly
y
=
yearly
VI
= Visual inspection
FT
= Functional test
M
= Measurement
2.1.1
Supply isolating device (plug/socket combination)
The plug/socket combination simultaneously functions as an EMERGENCY STOP device.
In case of an emergency, disconnect the sample cleaner from the electrical power
supply.
Secure the plug suitably against unauthorised re-plugging by placing it where it can remain under
constant supervision.
Set the plug/socket combination in such a way that it can be easily seen and is quickly accessible in
case of an emergency.
Test
Interval
Method
y
FT
2.1.2
System control
The system is controlled internally with a supply system, a phase and an earth connection (with
green/yellow covering for the wires).
Test
Interval
Method
y
VI, FT, M
2.1.3
Limit switch system
A limit switch system is used to secure the deawner against unauthorised access during operation:
Locking latch at filler cap.
The deawner can be started only if the filler cap is closed.
Test
Interval
Method
m
VI
