Service Instructions HERAsafe HS/12/18
• 22 • Valid: 05.2001 / 50060091 / A
4.5 Prefilter panel
Replacement of the prefilter panel:
NOTE - Safety precautions:
Observe the safety instructions!
Check decontamination of the unit!
1. Open the front window as wide as possible.
2. Shut the unit down.
3. Remove the working plate / working plate mod-
ules[1] (see section 4.4).
4. Disconnect the prefilter panel [2].
5. Connect the new prefilter panel.
6. Check to see if the prefilter panel is in a stable
position that protects it against vibrations.
7. Insert the working plate modules.
8. Check to see if the working plate / working plate
modules are in a stable position that protects
them against vibrations.
9. Turn the unit on.
10. Move the front window back into the working posi-
tion.
NOTE - Unit commissioning:
Prior to the commissioning of the unit:
Perform test run!
Check safety devices for proper opera-
tion!
4. Replacement of defined spare parts
Figure 10
Fig. 10, Replacement of the prefilter panel
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