- 2 -
CONTENTS
1
Symbols used in this service manual ..............................................................................4
2
Safety information ...........................................................................................................4
3
Maintenance, repair and safety-related check ...............................................................5
3.1
Maintenance .....................................................................................................................5
3.1.1
Maintenance schedule .....................................................................................................5
3.2
Repairs .............................................................................................................................6
3.3
Hygienic preparation .........................................................................................................6
3.4
Safety-related check .........................................................................................................6
4
Description of device .......................................................................................................7
4.1
Housing, display and control elements ..............................................................................7
4.2
Operating unit...................................................................................................................9
4.3
Exploded view - General layout .......................................................................................10
4.4
Exploded view - Housing upper part ...............................................................................11
4.5
Exploded view - Front panel ...........................................................................................12
4.6
Exploded view - Back part ..............................................................................................12
4.7
Exploded view - Air outlet unit .........................................................................................13
4.8
Exploded view - Battery pack .........................................................................................13
4.9
Cable connecting plan PCB controller .............................................................................14
4.10
Tube connecting plan .....................................................................................................15
5
Important components ..................................................................................................16
5.1
Block diagrams ..............................................................................................................16
5.1.1
Block diagram of compressed air distribution ..................................................................16
5.1.2
Block diagram of entire device ........................................................................................17
5.2
Blower ............................................................................................................................17
5.3
PCB DC-communication ................................................................................................17
5.4
Sensors / Valves (distribution of the compressed air) ........................................................17
5.5
Power supply .................................................................................................................18
5.6
PCB controller (Control- and operating unit) ....................................................................18
5.7
Operating unit / Display ...................................................................................................18
5.8
Interfaces .......................................................................................................................18
6
Servicing .......................................................................................................................19
6.1
Preliminary steps ............................................................................................................19
6.1.1
Tools and measuring equipment .....................................................................................19
6.1.2
Unpacking and disinfecting .............................................................................................20
6.1.3
Checking for external damage ........................................................................................20
6.1.4
Data backup ...................................................................................................................20
6.2
Opening and disassembling the device ...........................................................................20
6.3
Cleaning .........................................................................................................................21
6.4
Check the silicone tubes .................................................................................................21
6.5
Check the cables and connections .................................................................................21
6.6
Changing the 9V rechargeable battery ............................................................................21
6.7
Changing the batteries....................................................................................................22
6.8
Changing the filters
.........................................................................................................22
6.9
Exchanging the blower box .............................................................................................22
6.10
Assembling and closing the device .................................................................................24
