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Contents
A366-04-880 Issue A
Contents
Section Page
1 Introduction ....................................................................................... 1
1.1 Scope and definitions ................................................................................................... 1
1.2 Description ................................................................................................................ 3
1.3 Gas ballast ................................................................................................................ 3
2 Technical data .................................................................................... 5
2.1 Operating and storage conditions ..................................................................................... 5
2.2 Performance .............................................................................................................. 5
2.3 Mechanical data .......................................................................................................... 8
2.4 Electrical data: three-phase motors .................................................................................. 8
2.5 Lubrication data ......................................................................................................... 9
3 Installation ....................................................................................... 11
3.1 Safety .....................................................................................................................11
3.2 System design considerations .........................................................................................11
3.3 Unpack and inspect .....................................................................................................12
3.4 Locate the pump ........................................................................................................12
3.5 Connect the pump to the cooling water ............................................................................12
3.6 Fill the pump with oil ..................................................................................................12
3.6.1 Recommended pump oils ..............................................................................................12
3.6.2 Filling procedure ........................................................................................................13
3.7 Electrical installation ..................................................................................................13
3.7.1 Connect the pump to your electrical supply .......................................................................13
3.7.2 Check the direction of rotation ......................................................................................14
3.8 Connect the pump inlet to your system .............................................................................14
3.9 Connect the pump outlet to your system ...........................................................................15
3.10 Gas-ballast inlet connection ..........................................................................................15
3.11 Leak-test the system ...................................................................................................15
4 Operation ........................................................................................ 17
4.1 Gas-ballast control .....................................................................................................17
4.2 Start-up procedure .....................................................................................................17
4.3 To achieve ultimate vacuum ..........................................................................................17
4.4 To pump condensable vapours ........................................................................................18
4.5 To decontaminate the oil ..............................................................................................18
4.6 Unattended operation ..................................................................................................18
4.7 Shut-down ................................................................................................................18
5 Maintenance ..................................................................................... 19
5.1 Safety .....................................................................................................................19
5.2 Maintenance plan .......................................................................................................20
5.3 Check the oil-level .....................................................................................................20
5.4 Replace the oil ..........................................................................................................21
5.5 Clean the fine oil-filter ................................................................................................22
5.6 Replace the gas-ballast filter .........................................................................................23
5.7 Inspect and clean the inlet-filter .....................................................................................24
5.8 Clean the motor fan-cover ............................................................................................24
5.9 Clean and overhaul the pump .........................................................................................24
5.10 Test the motor condition ..............................................................................................25
5.11 Fit new blades ...........................................................................................................25
gp/0254/10/14
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