SIGRIST StackGuard 2, Instruction Manual

Page: 35 / 62

Instruction Manual StackGuard 2 System
10198E/3 29
5.1 Servicing schedule
After the installation has been started up, the first two servicing chores listed
here (recalibration and check of the ring pipe) should be carried out at 14-day
intervals. If the check values are in order, the interval can be successively
increased to the intervals listed in the table :
When Who What Purpose
Every 3
months / at
every
opportunity User Check the zero and
reference points
(

Section 5.2)
Absolutely necessary for
maintaining measuring
accuracy
Every 3
months or
as needed User Check of ring pipe
(
 Section 5.3)
Absolutely necessary for
maintaining measuring
accuracy
Annually User Replace filter for
purge air blower
(
 Section 5.4)
Absolutely necessary to
protect the blower
As needed
or after a
warning
message User Replace desiccant
(
 Section 5.5)
Absolutely necessary for
maintaining measuring
accuracy
Annually or
as needed User Replace purge air
filter (

Section
5.6)
Absolutely necessary for
maintaining measuring
accuracy
Annually or
as needed Service
technician Major cleaning Absolutely necessary for
maintaining measuring
accuracy
Every 10
years Service
technician Replace the back-
up battery in the
photometer Necessary to make sure the
internal clock keeps running
during power outages
Table 2: Servicing schedule.