7
Maintenance
n
User qualification: instructed user, see
Ä
Chapter 2.2 ‘Users' qualifications’
on page 7
Maintenance interval
Check that the metering monitor is working
correctly every 3 months. Shorter mainte‐
nance intervals are recommended with a
heavier workload.
Checking the setting
Dynamic operation
1.
Open the relief valve upstream of the
Flow Control – the "Flow" identifier
should stop flashing. If not, search for
the cause and readjust the Flow Control
if you need to.
2.
Close the relief valve upstream of the
Flow Control again and adjust it.
ð
The "Flow" identifier should flash
again.
Static operation
3.
Open the relief valve upstream of the
Flow Control; the "Flow" identifier should
appear. If not, search for the cause and
readjust the Flow Control if you need to.
4.
Close the relief valve upstream of the
Flow Control again and adjust it.
ð
The "Flow" identifier should disap‐
pear again.
Maintenance
17