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201

ASM 142 D detector operating principle

GB 01476

Edition 03

- June

Gross

leak

test

mode

(10 mbar to

5x10

-1

mbar

inlet pressure)

VR1 VR2

Normal

test

mode

(lower than

5x10

-1

mbar

inlet

pressure)

Main Page

General Contents5
Introduction Detailed Contents8
Introduction to the ASM 142 Series10
ASM 142 Detector Operating Principle11
Vacuum Circuit11
Stand-By Mode12
Roughing Mode12
Gross Leak Test Mode13
Normal Test Mode13
Sniffing Test Mode14
ASM 142 D Detector Operating Principle15
ASM 142 Graph D+ Detector Operating Principle19
Analyzer Cell Operating Principle23
Description23
Design and Manufacture25
Overview26
Testing Methods26
Helium Concentration and Signal Displayed27
Spray Method27
Sniffer Method28
Bombing Method29
About Helium and Hydrogen30
Helium and Leak Detection31
Operator Interface: Control Panel32
Options34
Which Options for Which Model?34
Automatic Test Chambers35
Metal Seals35
Languages35
Inlet Port35
Roughing System36
Interface Board36
Test of Gas Line36
Stainless Steel Cover36
Control Panel with Graphic Interface37
Control Panel Racks37
Sniffing38
Cables Lengths38
Which Accessories for Which Model?39
Accessories39
Remote Control41
Long Distance Sniffer Probe42
10 M/30 Feet LDS Extension43
Headphone Connector43
Transport Cart43
Foot Pedal for Cycle44
Calibrated Helium Leaks45
Calibration Accessory45
Spray Probe46
Inlet Adaptor46
Printer46
Inlet Filters47
Short Distance Sniffer Probe47
Bombing Chamber48
Test Chambers48
Neutral Gas Vent Line Kit49
4 Swiveling Wheels Kit49
Covered Sniffer Probe and Remote Control Kit50
Bottle Handle for Cart50
Built-In Mini-Printer51
2005 IS Pump51
Pressure Measurement Kit52
Ventilation Kit52
ASM 142 Technical Characteristics53
ASM 142 D - ASM Graph D+ Technical Characteristics55
Dimensions (MM/Inch)57
Installation Detailed Contents60
Safety Instructions62
Generalities62
Pump Labels65
Leak Detector Labels65
Contact the Manufacturer in Case of Emergency67
Unpacking - Storage - Transportation68
Precautionary Measures for the Leak Detector Transportation68
ASM 142 Graph D+69
Supplies70
Fixed Mounting71
Precautionary Measures for the Leak Detector Installation71
Neutral Gas Purge and Inlet Vent Connection72
Products Concerned72
Connection to the Leak Detector72
Use73
Gas Characteristics73
Quality/Purity73
Neutral Gas Purge73
Neutral Gas Purge Installation (Accessory) ASM 14274
Object74
Material74
Installation74
Connecting the Detector to the Installation75
Connecting the Detector to the Installation: ASM Graph D+76
Controlling the Detector with the I/O Interface77
24 V DC Power Supply78
Controlling the Detector with a PC Computer through the RS 232 Interface79
Connecting the Detector Directly to a Printer or Another Device81
Tickets Available82
Configuration Ticket83
Calibration Ticket with Internal Calibrated Leak84
Calibration Ticket with External Calibrated Leak84
Calibration Checking Ticket with Internal Leak85
Test Ticket85
Check the Oil Level of the Rotary Vane Pump86
Check Power Voltage86
Before Starting up the Leak Detector86
Operation Detailed Contents87
Factory Configuration of the Leak Detector Parameters91
Parameters Configuration91
Operating Principle of the Control Panel93
Graphic Interface Option93
Control Keys93
Menu Selection Access Keys93
Parameter Function Keys94
Description of Access Keys95
Values Adjustment with the Control Panel95
Setting and Maintenance Part Presentation of the Control Panel96
Levels96
To Change User Interface Level97
Which Is Your User Interface Level?97
Parameters Setting and Application Depending on Level and Display of the User Interface99
Access to Level - Password100
Change Password100
Summary of Screens101
Other Menu102
Set Point Menu103
Spectro Menu104
Starting up / Switching off the Leak Detector105
Starting up after an Unused/Storage Period107
Starting up the Leak Detector107
Switching off the Leak Detector108
Recommended Procedure109
How to Use the Leak Detector110
Sniffing Test Method112
Hard Vacuum Test Method112
Operation of the Leak Detector113
Hard Vacuum Test113
Starting a Test Cycle113
Leak Value Display113
Ending a Test Cycle114
Venting the Part or Installation Tested114
Sniffer Probe Clogged Reject Point115
Starting a Sniffing Test115
Ending a Sniffing Test115
Procedure with User Level116
Adjust Vacuum/Sniffing Alarm Reject Point116
Purpose of the Sniffer Probe Clogged Reject Point116
Table of Contents117
Basic Internal Calibration of the Leak Detector117
Calibration of the Leak Detector118
Purpose of the Internal Calibration118
When Should an Internal Calibration be Performed?118
Internal Calibrated Leak118
Internal Calibration with the Internal He Calibrated Leak120
Automatic Internal Calibration Procedure120
Basic Internal Calibration of the Leak Detector120
- On Request Calibration Checking121
- On Request Internal Calibration Procedure121
- Internal Calibration with an External Calibrated Leak121
Basic Internal Calibration of the Leak Detector121
Activation/ Deactivation of the Internal Calibration125
Advanced Internal Calibration of the Leak Detector125
- Checking Function126
- Parameters Setting126
- Checking Function with an External Calibrated Leak127
- Purpose of the External Calibration128
External Calibration of the Leak Detector128
- External Calibrated Leak130
- Digital and Analog Display130
- External Calibration Procedure130
- Recalibration130
- About Sniffing Test Mode131
- Target Value Determination132
- Definition133
- Activate/Deactivate the Correction Factor VACUUM/SNIF COR Adjustment133
Correction Factor133
- General Notes (in Vacuum or Sniffing Test Mode)134
- Calibrated Leak Values Programming135
- Different Types of Calibrated Leaks135
- Leak Location Selection136
- Programming the Calibrated Leak Parameters136
- Adaptor for Calibrated Leak in Sniffing Mode137
- How to Use the Adaptor ?137
- Remote Control Interface138
- Analog and Digital Displays139
- Remote Control Choice139
- Remote Control Connecting139
- Use and Display139
- External Calibration141
- Inlet Vent141
- Internal Calibration141
- External Loudspeaker142
- Headphone142
- Headphone and Loudspeaker142
- Level Adjustment142
- Configuration143
- 3 Masses Option146
- Calibration in Hydrogen or Helium 3146
- Gas Selection146
- Purpose146
- Automatic Standby Screen147
- Graphic Interface Purpose147
- Leak Detector Software Version147
- Use Caution147
- Control Panel Interface148
- Change of Interface149
- Operating Principle of the Graphic Interface150
- Operating Principle of the Standard Interface150
- At the Leak Detector Start up151
- During the Leak Detector Use151
- Selection of the Graphic Interface Use Mode151
- Graphic Interface Description152
- Selection Keys152
- Graphic Interface Setting153
- Menus Description153
- Contrast Adjustment154
- Memorized Graph155
- Recording155
- Point Measure157
- Memorized Graphs Saving158
- Animated Synoptic160
- Synoptic Reading160
- Long Distance Sniffer Probe and Helium Spray Gun161
- Air Vent Purpose162
- Choices Proposed to the Operator162
- Inlet: Air Vent162
- Air Vent Adjustment163
- Air Vent Opening / Closing163
- Inlet: Gas Line Option163
- Activate/Deactivate the Bargraph Zoom164
- Bargraph Zoom164
- Analog Display165
- Remote Control and Control Panel165
- Zero Function and Bargraph Zoom165
- Adjustment167
- Audio Alarm Definition167
- Digital Voice Definition167
- Sound Level167
- Activate / Deactivate the Cycle End168
- Purpose of the Cycle End168
- Zero Function168
- Activate the Zero Function169
- Activation/Deactivation of the Background170
- Deactivate the Zero Function170
- Display170
- Zero Not Activated170
- Memo Function171
- Zero Activated171
- Activate/Deactivate the Memo Function172
- Display Timer172
- Activate/Deactivate the Helium Pollution Prevention173
- Date - Time - Language - Unit173
- A Help for Control Panel Utilization/Access174
- Adjustment Procedure174
- Helium Pollution Prevention174
- Fault / Information Indicator and Display175
- Fault and Information175
- Faults175
- Minor Fault175
- Critical Failure176
- Major Fault176
- List of Messages178
- Maintenance - Troubleshooting Detailed Contents181
- Table of Preventive Maintenance Intervals182
- Adjustment of the Counters184
- Maintenance Message184
- General Troubleshooting Guide185
- Symptoms Description189
- To Access to the Interactive Application189
- To Print the Sheets D 300 and D 400189
- Maintenance Sheets Detailed Contents196
- Icons Used198
- Maintenance Operations Instruction198
- Working Conditions198
- Access Level 1199
- Access to the Internal Components ASM 142 / ASM 142 S199
- Removable Cover199
- Access to the Board P0326 and P0330200
- Access to the Internal Calibrated Leak200
- Disassemble the Main Block200
- Cart Handle Removing203
- Remove the Inlet Port Clamp203
- Remove Upper the Cover. be Careful of the Front Panel Cable203
- Switch off the Machine by Setting the Main Switch to «0» and Disconnecting the Main Power203
- Unfasten the 4 Securing Screws and Their Washers Using a 5 MM allen Key. Use a 5Mm allen Wrench203
- If Necessary, Disconnect the 20 Points Connector204
- Open the «Clip» for Ribbon Cable204
- Access to the Internal Components ASM 142 D - ASM Graph D+205
- Molecular Pump Connector205
- ACP Secondary Pump207
- Transportation208
- Safety Questionnaire208
- Sending of a Leak Detector for Reparation to a Service Center208
- Packaging208
- Basic Maintenance of the Analyzer Cell209
- Special Precautions209
- Cell Disassembly210
- Cleaning the Body210
- Disassemble the Filaments211
- Disassemble the Electron Collector211
- Replace the Electron Collector and the Filaments212
- Tighten All the Connection Screws213
- Reassemble the Flange213
- Tighten All the Securing Screws214
- Verification of the Electrical Zero215
- Restart and Check Proper Operation of the Analyzer Cell215
- Switch On/Off the Filament215
- Reset the Filament Information Timer215
- Valves Installation and Maintenance217
- Valves Identification217
- Vacuum Activated Valves (Depression Valves)218
- Minisol and Bacosol Valves219
- Dismantling220
- Cleaning220
- Seal Preparation220
- Assembly of Minisol Valves with Valve Block221
- Fitting Connection Exchange221
- Reassembly221
- Screw Tightening Torque221
- Test after Installation222
- Replacement of the Internal Calibrated Leak223
- Purpose of the Calibrated Internal Leak223
- Frequency of the Internal Leak «Recalibration»223
- How to Recalibrate the Internal Leak223
- Installation of a New Internal Calibrated Leak224
- Intensive Use of the Detector224
- Replacement of the Remote Control225
- Remote Control Defective225
- Remote Control Box Exchange225
- AMD1 Diaphragm Pump Breakdown View227
- AMD1 Diaphragm Pump Maintenance227
- Replacing Check Valves and Diaphragms227
- Disassembling the Pump from Its Support227
- Connector Disassembly228
- Check Valve Disassembly228
- Diaphragm Disassembly228
- Diaphragm Reassembly229
- Check Valve Reassembly229
- Connector Reassembly230
- Reassembling the Pump on Its Support230
- First Start up after Delivery231
- Starting in the Cold State231
- Restarting after Stop231
- Starting of the Molecular and Turbomolecular Pumps231
- Greasing Molecular and Turbomolecular Pumps232
- Disassemble the Pump232
- Accessing the Bearings232
- Using the Grease Syringe233
- Greasing the Front Bearing233
- Greasing the Rear Bearing233
- «Running In» the Pump after Relubrication234
- Adjust the Correspondance between the Different Test Modes235
- Bearing Opposite the Pumping Cell236
- Bearing on Pumping Cell Side236
- Add Oil237
- Check the Oil Level of the Roughing Pump237
- Primary Pump Maintenance237
- For Oil Contamination, Drain the Pump238
- For Dirty Oil, Rinse the Pump238
- Remove and Change the Oil Mist Eliminator239
- Components Detailed Contents240
- Spare Parts - Instructions of Use242
- Replacement of Parts and Use of Non Genuine Parts242
- AVTF Customer Service Offer243
- Tools ASM 142244
- Monitoring and Display ASM 142247
- Power and Electrical Supply ASM 142249
- Automatic Control System and Electronic Circuits ASM 142251
- Measurement ASM 142252
- Pumping ASM 142254
- Valves ASM 142256
- Pipes - Connections - Seals ASM 142257
- Cover ASM 142260
- Options and Accessories ASM 142261
- Tools ASM 142 D268
- Monitoring and Display ASM 142 D271
- Power and Electrical Supply ASM 142 D273
- Automatic Control System and Electronic Circuits ASM 142 D275
- Measurement ASM 142 D276
- Pumping ASM 142 D278
- Valves ASM 142 D279
- Pipes - Connections - Seals ASM 142 D280
- Cover ASM 142 D283
- Options and Accessories ASM 142 D284
- Pictures of Components291
- Tools291
- Monitoring and Display292
- Power and Electrical Supply292
- Automatic Control System and Electronic Circuits293
- Measurement294
- Pumping295
- Valves295
- Pipes - Connections - Seals296
- Cover297
- Options and Accessories298
- Appendix Detailed Contents310
- Wiring Diagrams - ASM 142312
- Wiring Diagrams - ASM 142 D314
- Analog Outputs317
- Long Distance Sniffer Probe User Manual319
- Dimensions319
- Technical Characteristics320
- Use Precautions with the Flexible Sniffer Probe320
- Flow Adjustment321
- Available Spare Parts322
- Filter Exchange322
- Needle Replacement323
- O'ring Installation325
- "Sniffer Probe Clogged" Message326
- Adaptor for Calibrated Leak326
- Helium Spray Gun User Manual327
- Use Precaution328
- Spare Parts328
- Tools Contents331
- ASM View Supervisory Software332
- Downloader332
- ASM Graph Downloader Software333
- Detectors Concerned333
- ASM Dialogue Software334
- Interface334

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