ABB SCK - Chapter 9 Maintenance

42/23-81 EN Rev. 4 System Manual SCK Gas Sampling System 149
The following tables show the maintenance intervals within which to perform
maintenance work, with a link to the relevant instructions:
Maintenance task See … Inspection/Maintenance
intervall
as required
dayiy
weekly
twice yearly
yearly
every 2 years
General tasks
 Check the system and clean
if necessary
Checking the condition of the system,
cleaning the system on page 161
X
 Display and evaluate trend
displays
Evaluating trend displays on page 164
X
 Functional test of residual
current circuit breaker
Checking the residual current circuit
breaker on page 165
X
 Functional tests of:
 EMERGENCY STOP
switch
 Warning lamps
 Warning buzzer
 external warning horn (op-
tional)
Checking protective installations on page
167
X
Maintenance task See … Inspection/Maintenance
intervall
as required
dayiy
weekly
twice yearly
yearly
every 2 years
Gas sampling probe H
 Mechanical cleaning of probe
pipe and tip
Gas sampling probe H: Removing incrus-
tations on page 174
X X
 Replace intake filter
Gas sampling probe H: Replacing the
intake filter on page 176
X X
 Replace membrane pump
membranes
Gas sampling probe H: Replacing mem-
brane pump membranes on page 179
X
Maintenance plan