Servicing
Instruction Manual VisGuard 2 Extractive
14265E/1
27
8
Servicing
8.1
Servicing schedule
WARNING!
Alarms can be triggered during servicing duties. Therefore, evaluations of the alarm
events should be suppressed in advance.
Servicing should be carried out by staff with the necessary technical qualifications. We
recommend advance briefing on the basic principles of the sampling system and its
servicing by an authorized service engineer.
WHEN
WHO
WHAT
PURPOSE
Every 3 mon-
ths and at
every oppor-
tunity
Operator
Check for leaks
Section 8.2
Obligatory measure for ens u-
ring correct sample taking
Every 3 mon-
ths
Operator
Check the sampling points
Section 8.3
Measure for ensuring the samp-
ling points are working cor-
rectly
Every 6 mon-
ths
Operator
Replace the suction fan
filter cartridge
Section 8.4
Measure for suction fan main-
tenance (providing a suction
fan is installed in your system)
Annually
Operator
Clean the sample lines
Section 8.5
Obligatory measure for ens u-
ring the sample lines are work-
ing correctly
Every 2 years
Operator
Replace the purge air filter
Section 8.6
For ensuring the required air
flow and cleanliness of the pur-
ging air
Every 5 years
or as needed
Operator
Clean the sample inlet
See Instruction manual
14162E
Every 5 years or as needed
Annually or as
needed
Operator
Recalibrate the VisGuard 2
See Instruction manual
14162E
Measure for maintaining mea-
suring accuracy. Interval de-
pendent on measurement
surroundings.
Every 10 years
or as needed
Operator
Replace the battery in the
control unit
See Instruction manual
14162E
Obligatory measure for main-
taining functional efficiency.
Table 1: Servicing schedule
