Instruction manual

VHS-4, VHS-6 and VHS-250 Diffusion Pumps

Tables

General Hazards 13

Explosive Conditions 15

Pressurization Hazards 16

1-1 Pump Operational Specifications ......................................................................................... 19

1-2 VHS-4 Dimensions .............................................................................................................. 23

1-3 VHS-6 Dimensions .............................................................................................................. 25

1-4 VHS-250 Dimensions .......................................................................................................... 27

4-1 Troubleshooting................................................................................................................... 46

5-1 VHS-4 Models ..................................................................................................................... 49

5-2 VHS-4 Replacement Parts .................................................................................................... 49

5-3 VHS-6 Models ..................................................................................................................... 50

5-4 VHS-6 Replacement Parts .................................................................................................... 51

5-5 VHS-250 Models ................................................................................................................. 52

5-6 VHS-250 Replacement Parts ................................................................................................ 52