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Maintenance Schedule — SOx, OPEN-LOOP

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Maintenance Schedule

JobIntervalTypeSource
Data logger - back up logging data 1 weeks service Maker
EGC exhaust gas pipes - inspect for exhaust gas leaks 1 days inspect Maker
EGC system - check operation history; run at least 1 h/week 1 weeks check Maker
EGC system incl. piping & auxiliaries - inspect for water leaks 1 days inspect Maker
Electrical cabinets & frequency drives - filters, fans, terminals, PLC I/O, corrosion, seals 6 months inspect Maker
Frequency drives - replace DC bus capacitors 10 years replace Maker
Frequency drives - replace air filters 1 years replace Maker
Gas analysis unit - check H2O correction 1 years check Maker
Gas analysis unit - check pending messages 1 weeks check Maker
Gas analysis unit - fan and air-outlet filter pads - check, clean/replace 1 months check Maker
Gas analysis unit - leak tightness check 6 months test Maker
Gas analysis unit - replace IR source and drying agent 3 years replace Maker
Gas analysis unit - replace cell return valve and sample gas inlet filter 2 years replace Maker
Gas analysis unit - replace sampling glass-fibre filter, seals and return valve; clean 1 years replace Maker
Gas analysis unit - sampling glass-fibre filter & seals - check, clean/replace 1 months check Maker
Gas analysis unit - system check 1 months check Maker
Gas analysis unit heated sample line - check warm by hand 1 days check Maker
Gas monitoring (G7000) - cabinet air conditioner - service 2 years service Maker
Gas monitoring (G7000) - condensate pump - yearly maintenance 1 years service Maker
Gas monitoring (G7000) - condensate switch - yearly maintenance 1 years service Maker
Gas monitoring (G7000) - gas analyzer - service 2 years service Maker
Gas monitoring (G7000) - gas pump - yearly maintenance 1 years service Maker
Gas monitoring (G7000) - inspect filter, change if needed 1 months inspect Maker
Gas monitoring (G7000) - multiplexer - yearly maintenance 1 years service Maker
Gas monitoring (G7000) - probe - yearly maintenance 1 years service Maker
Gas monitoring (G7000) - visual check of system for cleaning 1 months inspect Maker
Level switches (1902, 1907) - function test with test actuator 6 months test Maker
Level switches (1902, 1907) - inspect and clean internally 1 years clean Maker
Main process & system parameters - check and log readings 1 days check Maker
PLCs in electrical cabinets - replace battery 4 years replace Maker
Temperature / level / pressure / flow transmitters - inspect leaks, corrosion, thermowells 1 years inspect Maker
Uptake & by-pass damper valves - inspect internally via hatch 1 years inspect Maker
Uptake & by-pass dampers - bearings - inspect / lubricate (2000 h) 3 months lubricate Maker
Uptake & by-pass dampers - drive unit - check fastening (500 h) 1 months check Maker
Uptake & by-pass dampers - drive unit - check supply lines and function (1000 h) 1 months check Maker
Uptake & by-pass dampers - flexibles - inspect for leaks and damage 1 months inspect Maker
Uptake & by-pass dampers - stuffing box - inspect / re-tighten (2000 h) 3 months inspect Maker
Water analysis - PAH sensor & measuring chamber - visual check for cleaning 1 weeks inspect Maker
Water analysis - PAH sensor - factory calibration 2 years calibrate Maker
Water analysis - PAH sensor - internal light source replacement at factory 4 years replace Maker
Water analysis - PAH sensor - validation 6 months calibrate Maker
Water analysis - pH sensor & measuring chamber - visual check for cleaning 1 weeks inspect Maker
Water analysis - pH sensor - replace electrode 1 years replace Maker
Water analysis - pH sensor - validation 3 months calibrate Maker
Water analysis - turbidity sensor - replace light source 5 years replace Maker
Water analysis - turbidity sensor - validation 3 months calibrate Maker
Water analysis - turbidity sensor measuring chamber - visual check for cleaning 1 weeks inspect Maker
Water analyzer pump - inspect impeller, end cover and housing 1 months inspect Maker
Water analyzer pump - replace impeller and end cover 6 months replace Maker
Water analyzer pump - replace pump seal 1 years replace Maker
Water monitoring - pressure holding/relief valve DHV712-R - function test 6 months test Maker
Water monitoring - pressure reduction valve DMV755 - function test 6 months test Maker
Water monitoring - water filter / strainer - visual check for cleaning 1 weeks inspect Maker

Information received from various sources and contributors.