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Contents
A371-32-880 Issue C
Contents
Section Page
1 Introduction ....................................................................................... 1
1.1 Scope and definitions ................................................................................................... 1
1.2 ATEX directive implications ............................................................................................ 2
1.3 Description ................................................................................................................ 4
1.4 Gas-ballast ................................................................................................................ 4
2 Technical data .................................................................................... 5
2.1 Operating and storage conditions ..................................................................................... 5
2.2 Performance .............................................................................................................. 5
2.3 Mechanical data .......................................................................................................... 6
2.4 Electrical data ............................................................................................................ 6
2.5 Lubrication data ......................................................................................................... 7
3 Installation ......................................................................................... 9
3.1 Safety ......................................................................................................................9
3.2 System design ............................................................................................................ 9
3.3 Unpack and inspect .....................................................................................................10
3.4 Locate the pump ........................................................................................................10
3.5 Fill the pump with oil ..................................................................................................10
3.6 Electrical installation ..................................................................................................10
3.6.1 Connect the pump to your electrical supply .......................................................................11
3.6.2 Check the direction of rotation ......................................................................................11
3.7 Inlet-port connection ..................................................................................................11
3.7.1 General requirements ..................................................................................................11
3.7.2 Side inlet-port connection .............................................................................................12
3.8 Pump outlet connection ...............................................................................................12
3.9 Leak-test the system ...................................................................................................13
4 Operation ........................................................................................ 15
4.1 ATEX directive implications ...........................................................................................15
4.1.1 Introduction .............................................................................................................15
4.1.2 Flammable/pyrophoric materials ....................................................................................15
4.1.3 Gas purges ...............................................................................................................15
4.2 Gas-ballast control .....................................................................................................16
4.3 Start-up procedure .....................................................................................................16
4.4 To achieve ultimate vacuum ..........................................................................................17
4.5 To pump condensable vapours ........................................................................................17
4.6 To decontaminate the oil ..............................................................................................17
4.7 Unattended operation ..................................................................................................18
4.8 Shut-down ................................................................................................................18
5 Maintenance ..................................................................................... 19
5.1 Safety information ......................................................................................................19
5.2 Maintenance plan .......................................................................................................19
5.3 Check the oil-level .....................................................................................................20
5.4 Replace the oil ..........................................................................................................20
5.5 Inspect and clean the inlet-filter .....................................................................................21
5.6 Clean or replace the gas-ballast o-ring ..............................................................................21
5.7 Clean the motor fan-cover and enclosure ..........................................................................22
5.8 Clean and overhaul the pump .........................................................................................22
dcs/ 8030/ 06.08
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