V/D
S
ERIES
M
ECHANICAL ASSEMBLIES
3-4 Revision: 2.1
3.10 Internal compressed air system (not on D-23) ...................... 68
3.10.1
Position and function of the air compressor (M3) ...................................... 68
3.10.2
Pneumatic assembly .................................................................................. 69
Position and function........................................................... 69
3.10.3
Maintenance tasks ..................................................................................... 70
Checking the pressure ........................................................ 70
3.10.4
Checking the compressed air system for leaks ......................................... 70
Checking for leaks on the pneumatic assembly ................. 70
Checking for leaks on the no-return valve (R6, R12) ......... 73
Checking the remaining components of the
compressed air system ....................................................... 73
3.11 Vacuum unit (optional) .......................................................... 74
3.11.1
Position and function ................................................................................. 74
3.11.2
Maintenance tasks ..................................................................................... 75
Checking the flow monitor .................................................. 75
Checking water usage ........................................................ 75
Checking the cavitation protection ...................................... 75
Descaling the pump ............................................................ 75
Testing the sterilisation chamber for leaks – vacuum test .. 76
3.12 Super Dry (optional) .............................................................. 77
3.12.1
Position and function ................................................................................. 77
3.13 “HoldTemp” function (optional) ............................................. 77
3.13.1
Maintenance tasks ..................................................................................... 77
Checking the functionality of the heating coil ..................... 77
3.14 Air extraction (all devices) ..................................................... 78
3.14.1
Position and function ................................................................................. 78
3.14.2
Maintenance tasks ..................................................................................... 78
3.15 Drain cooling (X and E series) .............................................. 79
3.15.1
Position and function ................................................................................. 79
3.15.2
Maintenance tasks ..................................................................................... 79
3.16 Exhaust filter (optional) ......................................................... 80
3.16.1
Position and function ................................................................................. 80
3.16.2
Maintenance tasks ..................................................................................... 80
Checking the counter value ................................................ 80
Replacing the exhaust filter cartridge ................................. 81
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