Hach-Lange FILTRAX User Manual - Manual (Page 46)

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Maintenance
6.1.3 Every 12 or 24 months
As part of the service contract by customer service:
after 12 months
• Replacement of the metering tubes together with the connecting tubes
• Replacement of the pump cartridges and pump rollers
• Replacement of compressor air filter
after 24 months
• Replacement of compressor
Fig. 6-28