Pfeiffer DUO 3 - Page 4

6.5 Switching off vacuum pump 34
7 Maintenance 36
7.1 Maintenance instructions 36
7.2 Maintenance instructions for magnetic coupling 37
7.3 Checklist for inspection and maintenance 37
7.4 Change the operating fluid 38
7.4.1 Determining degree of aging of P3 operating fluid 39
7.4.2 Changing operating fluid 40
7.4.3 Rinsing and cleaning rotary vane pump 41
7.5 Disassembling and cleaning gas ballast valve 43
7.5.1 Disassembling and cleaning gas ballast valve (standard version) 43
7.5.2 Dismantling and cleaning gas ballast valve with inert gas connec-
tion
44
7.6 Changing the operating fluid type 45
8 Decommissioning 46
8.1 Shutting down for longer periods 46
8.2 Recommissioning 46
9 Recycling and disposal 47
9.1 General disposal information 47
9.2 Dispose of rotary vane pump 47
10 Malfunctions 48
11 Service solutions by Pfeiffer Vacuum 50
12 Spare parts 52
12.1 Ordering spare part packages 52
12.2 Maintenance kit 1 – maintenance level 1 52
12.3 Radial shaft seal ring set – Maintenance level 2 52
12.4 Maintenance kit 2 – Maintenance level 2, extended 52
12.5 Overhaul kit – Maintenance level 3 52
12.6 Set of vanes 53
12.7 Coupling set for versions with magnetic coupling 53
13 Accessories 54
13.1 Accessory information 54
13.2 Ordering accessories 54
14 Technical data and dimensions 56
14.1 General 56
14.2 Substances in contact with media 56
14.3 Technical data 57
14.4 Dimensions 60
14.4.1Standard version 60
14.4.2M version 61
14.4.3MC version 61
EC Declaration of Conformity 62
UK Declaration of Conformity 63
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