Section 6 Maintenance - Hach SIGMATAX 2 User Manual

Section 6
Maintenance schedule
Type of
◦ 10 m
device:
Commissioning on:
Annually:
Seal membrane on relief valve
Every 1.5 years:
Replace compressor
Maintenance
The manufacturer recommends that an inspection contract be concluded. This contract
extends the warranty period to 5 years and makes sure that all inspection and
maintenance tasks are carried out by qualified experts.
Maintenance tasks for users are limited to regular visual inspections and, if necessary,
cleaning procedures.
DOC273.72.04008.MRZ03
◦ 20 m ◦ 30 m Instrument number:
by:
Every 3 months:
Clean supply lines and
sampling probe (interior)
Test pressure
Every 6 months:
Replace valve piston with seal
kit
Heat if there is a risk of
freezing!
Weekly:
Clean sample storage vessel
Visually inspect sample quality
Every 1–4 weeks:
Check/clean sampling probe
Clean sample tube
(semi-automatic)
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