11 | Maintenance
136
D-ISC 100 x xx2
Maintaining the filter
(D‑ISC100)
Fig.11.1: Opening the filter housing;
filter cartridge
The filter cartridge can be cleaned several times before it has to
be replaced. The maintenance intervals for the filters depend on
the quality of the intake air.
● Before interrupting the purge air, the device(s) being supplied
with purge air must firstly be removed from the channel/stack.
● Switch off the operating voltage before opening the housing
door.
For the maintenance of the filter, proceed as follows:
1.
Open the filter housing lock ( [}136] at the top).
2.
Remove loose dirt. Clean filter housing and filter (vacuum
cleaner).
3.
Insert new or cleaned filter cartridge. ( [}136] at the bottom)
4.
Close the filter housing. Make sure that the interlocks engage.
5.
Check the door seals. Replace defective seals.
6.
Close the housing door. Switch on the supply voltage.
Purge air cable maintenance
(D‑ISC100 P)
Check the purge air cables:
1.
Check hoses for damage, kinking and ageing.
2.
Check hose connections for leak-tightness and secure fitting.
3.
Remove deposits from the purge air hoses, taking care not to
damage the hose walls.
4.
Switch on the purge air supply.
5.
If required, refit the sensor(s) back onto the channel/stack.