Hach-Lange AMTAX indoor sc - Manual (Page 48)

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Maintenance
6.3 Routine maintenance schedule
The maintenance schedule is given for standard applications.
Deviant applications may cause different maintenance intervals.
Table 6 Routine maintenance schedule
Description
3 months
(Customer
task)
6 months
(Service
task)
12 months
(Service
task)
24 months
(Service
task)
Visual check analytical compartment, manual cleaning if
necessary.
X 1 X
Check filter pads, clean/ replace if necessary, particularly on
fan side.
X 1 X
Check reagents, replace if necessary. X 1 X
Check cleaning solution, replace if necessary. X 1 X
Check maintenance counters. X 1 X
Check standard solutions, replace if necessary. X 1 X
Visual check of electrode, replace membrane cap and
electrolyte if necessary
X 1 X
Check system for air impermeability. X
Function check of both fans. X
Function check heating for analyser enclosure. X
General function check. X
Read out and analyse event log. Read out and check data log
if necessary.
X
Check electrode (slope with intact membrane cap: –55mV to
–67mV), check every 6 months after 12 months of use.
(X) 2 X
Replace pump head for air pump. X
Check magnetic stir bar, replace if necessary. X
Replace reagent pump. X
Check cleaning pump and replace if necessary (check every
6 months after 12 months of use)
(X) 2 X
Check stirring motor, replace if necessary. X
1 Recommended maintenance interval, especially for reagents. The actual reagent and electrolyte (AMTAX sc) exchange
intervals depend on configuration.
2 Maintenance cycles are given for standard applications. Deviant applications may cause different maintenance intervals.