Varian NHS-35 Manuals

Varian NHS-35 Manuals

Manuals and User Guides for Varian NHS-35. We have 2 Varian NHS-35 manuals available for free PDF download: Instruction Manual

Varian NHS-35 Instruction Manual

Varian NHS-35 Instruction Manual (62 pages)

High throughput diffusion pumps

Brand: Varian | Category: Water Pump | Size: 2 MB

Table of Contents

Table of Contents
3
Preface

5
Declaration of Conformity

7
Diffusion Pump Hazards

9
- Explosion
  10
- Pressurization Hazards
  11
- Dangerous Substances
  11
- High Temperatures
  12
- High Voltages
  12
- Large Equipment and Heavy Weights
  12
Diffusion Pump Basics

13
- Pump Operation
  13
- Operating Characteristics
  13
- Pump Air Speed and Throughput
  16
- Physical Specifications
  17
- HS-20: Dimensions and Weights
  18
- HS-32: Dimensions and Weights
  19
- NHS-35: Dimensions and Weights
  20
  - Unpacking
    21
  - Setup
    21
    
    Assembly
    21
  - Cleaning a New Pump
    22
    
    Cleaning Safety
    22
    
    Disassembly for Initial Cleaning
    22
    
    Reassembly after Initial Cleaning
    22
System and Utility Connections

23
- Vacuum Connections
  23
- Cooling Water
  23
- Electrical Connections
  25
- Overheating: Detection by Thermal Switches
  26
- NHS-35 240/400/440 V Wiring
  36
- NHS-35 380/415 V Wiring
  37
- NHS-35 480 V Wiring
  38
Initial Vacuum Test

39
- Adding or Changing Pump Fluid
  40
- Sight Glass Assembly
  41
Operation

42
- Startup Procedure
  43
- Shutdown Procedure
  43
Maintenance

44
- Periodic Inspections
  44
- Cleaning
  45
  - Cleaning Safety
    45
- Disassembly and Reassembly Procedures
  46
  - Cold Cap
    46
  - Jet Assemblies
    47
- HS-20 Jet Assembly
  48
- Jet Coupling Detail
  49
- HS-32 Jet Assembly
  50
- NHS-35 Jet Assembly
  52
  - Heater Replacement Procedure
    53
Troubleshooting

54
- Leakage
  54
- Outgassing
  54
- Poor Pump or System Performance
  55
Replacement Parts

56
- HS-20 Replacement Parts
  57
- HS-32 Replacement Parts
  58
- NHS-35 Replacement Parts
  59

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Varian NHS-35 Instruction Manual

Varian NHS-35 Instruction Manual (49 pages)

Diffusion Pump

Brand: Varian | Category: Water Pump | Size: 0 MB

Table of Contents

Table of Contents
17
Section I - Installation
21
General
21
Operating Specifications
21
Speed and Throughput Curves - NHS-35 Diffusion Pump
22
Physical Specifications
23
Physical Specifications - NHS-35 Diffusion Pump
24
Unpacking
25
Cleaning a New Pump
25
Section Drawing - NHS-35 Diffusion Pump
26
Utility and System Connections
28
Water Cooling Connections
29
480V Wiring Diagram - NHS-35 Diffusion Pump
32
Adding Pump Fluid
34
Sight Glass Assembly
35
Section II - Operation
37
Start-Up Procedure
37
Shutdown Procedure
38
Section III - Maintenance
39
General
39
Periodic Inspection
39
Cleaning
40
Disassembling and Reassembly the Cold Cap
41
Heater Element Assembly
41
Disassembling and Reassembling the Jet Assembly
42
Heater Replacement
42
External Fittings - Cold Cap Assembly
43
Section IV - Troubleshooting
45
Leakage
45
Outgassing
45
Poor Pump or System Performance
45

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