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vii
VHS-4 Diffusion Pump
DRAFT 8/7/02
Contents
Declaration of Conformity. . . . . . . . . . . . . . . . . . . . . iii
Instructions for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Diffusion Pump Hazards . . . . . . . . . . . . . . . . . . . . . . .ix
Section I Installation . . . . . . . . . . . . . . . . . . . . . . . . . 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pump Oil Installation . . . . . . . . . . . . . . . . . . . . . . 4
Vacuum System Connections . . . . . . . . . . . . . . . . 4
Cooling Water Connections . . . . . . . . . . . . . . . . . 5
Electrical Connections . . . . . . . . . . . . . . . . . . . . . 5
Thermal Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Section II Operation. . . . . . . . . . . . . . . . . . . . . . . . . 7
Startup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Shutdown Procedure . . . . . . . . . . . . . . . . . . . . . . . . 8
Section III Maintenance and Service . . . . . . . . . . . . 9
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Periodic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cold Cap Removal/Installation . . . . . . . . . . . . . . . 10
Jet Assembly Removal/Installation . . . . . . . . . . . . . 11
Heater Replacement . . . . . . . . . . . . . . . . . . . . . . . 12
Adding Pump Fluid . . . . . . . . . . . . . . . . . . . . . . . . 12
Section IV Troubleshooting . . . . . . . . . . . . . . . . . . 15
Leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Outgassing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Poor Pump or System Performance . . . . . . . . . . . . 15
Section V Replacement Parts . . . . . . . . . . . . . . . . . 17
Содержание VHS-4
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