Section 5 Maintenance; Maintenance Schedule; List Of Wearing Parts; Clean The Measurement Windows - Hach TSS sc User Manual

Section 5
5.1

Maintenance schedule

Maintenance task
Visual inspection
Check calibration
Inspection
Replace wiper shaft gaskets
Replace wiper profile
5.2

List of wearing parts

Number
1
1
5.3

Clean the measurement windows

Maintenance
The cleanliness of the measurement windows in the sensor head is critical for the
accuracy of the measurement results!
Check the measurement windows for dirt and the wiper profile for wear once a month.
Multiple hazards. Do not disassemble the instrument for maintenance or service. If the internal
components must be cleaned or repaired, contact the manufacturer.
Personal injury hazard. Only qualified personnel should conduct the tasks described in this
section of the manual.
The gaskets on the wiper shaft must be replaced yearly!
Failure to replace the gaskets regularly, could result in moisture ingress into the sensor head and
lead to irreparable damage to the device.
Gasket set including wiper shaft
* When operated in line with manufacturer settings and used appropriately
Chemical hazard. Always follow appropriate safety procedures when chemicals are handled.
Always wear all personal protective equipment appropriate to the chemicals used.
• Safety glasses
• Gloves
• Overalls
The measurement windows are made of sapphire glass. The measurement windows can
be cleaned
with any conventional cleaning agent and a soft cloth.
WA R N I N G
C A U T I O N
N O T I C E
Maintenance interval
Monthly
Monthly (depending on environmental conditions)
Every six months (counter)
Every year (counter)
As indicated by counter (20,000 cycles)
Designation
Wiper sets
WA R N I N G
Average service life*
1 year (with normal sand loading)
1 year
25