Section 8 MaintenanceC A U T I O NMultiple hazards. Only qualified personnel must conduct the tasks described in thissection of the document.N O T I C EDo not disassemble the instrument for maintenance. If the internal components must be cleanedor repaired, contact the manufacturer.8.1 Maintenance scheduleTable 8 shows the recommended schedule of maintenance tasks. Facility requirementsand operating conditions may increase the frequency of some tasks.Table 8 Maintenance scheduleTask 1 day 7 days 12 monthsClean the instrument on page 41. Also do this procedure immediately after any liquid spills onthe instrument. xClean the sensor on page 41. xIf applicable, Replace desiccant cartridge contents on page 42. xReplace the syringe. Refer to Syringe management on page 43. xReplace syringe electro-valve block. Refer to Replace the syringe electro-valve blockon page 42. xExamine the syringe connections and inlet and outlet tubes for leaks and damage. Replace asnecessary. Refer to Replacement parts and accessories on page 57 for part numbers and toReplace the tubes on page 42.xReplace the pump cassettes. Refer to Pump cassette replacement on page 44. xExamine the pump connections and inlet and outlet tubes for leaks and damage. Replace asnecessary. Refer to Replacement parts and accessories on page 57 for part numbers and toReplace the tubes on page 42.xExamine the bottle caps and connections for leaks and damage. Replace as necessary. Referto Replacement parts and accessories on page 57 for part numbers. x8.2 Clean the instrumentN O T I C ENever use flammable or corrosive solvents to clean any part of the instrument. Use of thesesolvents can degrade the environmental protection of the instrument and may void the warranty.Clean the exterior surface with a moist cloth or with a mixture of water and mild detergent.Dry with a soft cloth.8.3 Clean the sensorObey the cleaning instructions given in the documentation supplied with the sensor, andany other instructions given in the application note.41