21
8024019/AE00/V1-0/2019-02| SICK
A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | FWE200DH
Subject to change without notice
MAINTENANCE
4
4
Maintenance
4.1
General information
This chapter only describes additional maintenance work to be carried out.
Maintenance work on the FWE200DH remains identical with the water back purge function
fitted and must continue to be carried out at the specified intervals. Details can be found in
the regular device Operating Instructions.
Before carrying out maintenance work, set the measuring system to “Maintenance” mode
(see FWE200DH Operating Instructions).
In addition, the on-site water supply must be switched off.
Additional maintenance work for systems with water back purging
Check the connection piece for the extraction hose on the swirl chamber for deposits.
4.2
Replacing the water filter
The water filter must be checked for contamination during regular maintenance of the
FWE200DH. Replace the filter when there is visible contamination (
Fig. 19: Water filter dismantled
Interval
Work to be performed
1 week
Visual inspection for leaks
6 months
Replacing the water filter
Checking the spray pattern
NOTE:
Observe the relevant safety regulations as well as safety notices (
) during all work.
NOTE:
▸
Do not damage any device parts during maintenance work.
▸
Switch off water supply during maintenance work
▸
Do not interrupt the purge gas supply.
Water filter element