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Instruction Manual VisGuard 2 Servicing
82 14162E/2
9 Servicing
9.1 Servicing schedule
WARNING!
Alarms can be triggered during servicing duties. Therefore, evaluations of the
alarm events should be suppressed in advance.
WHEN WHO WHAT PURPOSE
As needed Operator Cleaning the outside of
the instrument.
Section 9.2 Dirt on the outside of the Vis-
Guard 2 does not have any
effect on the measuring results.
Cleaning is not absolutely es-
sential.
Every 5 years
or as needed Operator Cleaning the sample inlet.
Section 9.3 Obligatory measure for main-
taining functional efficiency.
Every 5 years
or as needed Operator Replacing the gaskets ac-
cording to the
Vis-
Guard2/Seal-BA drawing.
In the event of unsatisfactory
measuring results.
1)
Operator Replacing the filter
cartridge in the VisGuard 2
In-situ. Section 9.4 For ensuring the required air
flow.
Every 5 years Operator Replacing the fan on the
VisGuard 2 In-situ.
Section 9.5 Obligatory measure for main-
taining functional efficiency.
As needed Service
center Cleaning the optics.
May be carried out on-
ly by trained personnel!
In the event of unsatisfactory
measuring results.
Annually or as
needed Operator Recalibrating the Vis-
Guard 2. Section 9.6 Measure for maintaining mea-
suring accuracy. Interval de-
pendent on measurement
surroundings.
Every 10 years
or as needed Operator Replacing the battery in
the control unit.
Section 9.7 Obligatory measure for main-
taining functional efficiency.
Table 1: Servicing schedule