Service Instructions HERAsafe HS/12/18
Valid: 05.2001 / 50060091 / A • 3 •
Contents
1. Safety instructions.................................................................................................................................... 7
1.1 Notes for the operator........................................................................................................................... 7
1.2 Notes for the service personnel ............................................................................................................. 7
1.3 Explanation of symbols......................................................................................................................... 8
1.4 General safety instructions .................................................................................................................... 9
2. View of the unit and description of the components.............................................................................. 11
2.1 Front view of the unit .......................................................................................................................... 11
2.2 Rear view of the unit........................................................................................................................... 12
2.3 View of the electronic components ...................................................................................................... 13
3. Preparatory measures............................................................................................................................ 14
3.1 Certificate of decontamination ............................................................................................................. 14
3.2 Tools and auxiliary devices ................................................................................................................. 14
3.3 Opening the hood............................................................................................................................... 15
3.4 Opening the control box ...................................................................................................................... 15
3.5 Opening the inspection chamber ......................................................................................................... 15
4. Replacement of defined spare parts....................................................................................................... 17
4.1 List of the defined spare parts, mechanical components ....................................................................... 17
4.1 List of the defined spare parts, electronic components .......................................................................... 18
4.2 Exhaust filter guard............................................................................................................................. 19
4.3 Cover plate ........................................................................................................................................ 20
4.4 Working plate modules ....................................................................................................................... 21
4.5 Prefilter panel..................................................................................................................................... 22
4.6 Perforated plate.................................................................................................................................. 23
4.7 Hood brackets.................................................................................................................................... 24
4.8 Support stand..................................................................................................................................... 25
4.9 Drain valve......................................................................................................................................... 26
4.10 Glass plate..................................................................................................................................... 27
4.11 Twist stopper.................................................................................................................................. 28
4.12 Front window.................................................................................................................................. 29
4.13 Tube drive...................................................................................................................................... 30
4.14 Exhaust filter .................................................................................................................................. 32
4.15 Downflow filter................................................................................................................................ 33
4.16 Blower ........................................................................................................................................... 34
4.17 One-way diaphragm filter ................................................................................................................ 35