Instruction manual

Section Title Page

4 OPERATION 21

4.1 Start-up

4.2 Shut-down 21

5 MAINTENANCE 22

5.1 Safety 22

5.2 Maintenance plan 22

5.3 Check the gearbox oil-level 23

5.4 Inspect the pipelines and connections 23

5.5 Change the gearbox oil 24

5.6 Relubricate the rotor bearings 24

5.7 Change the head-plate felt filter 25

5.8 Change the gas-ballast air filter element 26

5.9 Clean the inlet-stage sump 27

5.10 Clean the cooling-jacket 27

6 STORAGE AND DISPOSAL 28

6.1 Storage 28

6.2 Disposal 28

7 SERVICE, SPARES AND ACCESSORIES 29

7.1 Introduction 29

7.2 Service 29

7.3 Spares 29

7.4 Accessories 30

RETURN OF BOC EDWARDS EQUIPMENT

Illustrations

Figure Title Page

1 Dimensions (mm) 4

2 Pumping speed curves 5

3 Power curves 5

4 Lubrication and gas-ballast boost components 9

5 Motor low voltage configuration (200 V, 50/60 Hz; 220-240 V, 50 Hz) 11

6 Motor high voltage configuration (380/415 V, 50 Hz; 380 V, 60 Hz) 11

7 Motor low voltage configuration (208-230 V, 60 Hz) 11

8 Motor high voltage configuration (460 V, 60 Hz) 11

9 Thermal snap-switch connections 13

10 Cooling system and bearing end-cover evacuation components 15

11 Rotor bearing re-lubrication 25

12 Exploded view of the gas-ballast air filter 26

ii DP180 Dry Vacuum Pump