12 Maintenance
The following components have to be maintained regularly. The
intervals should be based on operating conditions.
12.1 Dry Material Feeder
n
Check the dry material feeder regularly during operation to
ensure that it is working correctly
n
Check whether the powdered polymer is being metered cor‐
rectly
12.2 Cleaning the Screen Insert in the Pressure Reducer
Clean the screen insert at the latest when 2/3 of the throughput
surface of the screen insert is dirty.
n
Manually close the shut-off valve upstream of the pressure
reducer
n
Please refer to the manufacturer's instructions for further steps
12.3 Dismantling the Cover of an Inspection Opening
CAUTION!
Danger of sudden start-up!
Slight or minor injuries
– The agitators and propeller may start up suddenly
The system must only be operated in principle when the inspection
openings are tightly screwed.
The covers may only be removed temporarily.
After the inspection work, replace all covers and screw closed!
12.4 Cleaning the Surface of the Ultromat
®
CAUTION!
Material damage
Do not use cleaning agents containing solvents.
Clean the surfaces of the Ultromat
®
if needed, as a slippery film
can form on them over time.
Inspect the dry material feeder
Maintenance
30