Edwards EH 250 T4 Instruction Manual

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ATEX Service Inspection Procedure

Description

EH 250 T4 50HZ Mechanical Booster

EH 500 T3 50HZ Mechanical Booster

EH 1200 T4 50HZ Mechanical Booster

EH 2600 T3 50HZ Mechanical Booster

EH 2600 T4 50HZ Mechanical Booster

EH 4200 T3 50HZ Mechanical Booster

EH 4200 T4 50HZ Mechanical Booster

Instruction Manual

Original Instructions

A301-55-855

Issue C

Item Number

NRA996000

NRA998000

A305-57-900

A307-41-935

A307-79-900

A309-41-935

A309-79-900

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Summary of Contents for Edwards EH 250 T4

Page 1 A301-55-855 Issue C Instruction Manual ATEX Service Inspection Procedure Description Item Number EH 250 T4 50HZ Mechanical Booster NRA996000 EH 500 T3 50HZ Mechanical Booster NRA998000 EH 1200 T4 50HZ Mechanical Booster A305-57-900 EH 2600 T3 50HZ Mechanical Booster A307-41-935...
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Page 3 Rotor clearance ’E’ ...................... 6 Rotor clearance ’F’ ...................... 7 Trailing gap clearance ’X’ ....................8 Leading Gap Clearance ’Y’ ..................... 9 © Edwards Limited 2017. All rights reserved. Page i Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 5 Directive. The effect of ATEX Directive is that Edwards have to guarantee that there is no risk of ignition sources being present due to metal to metal contact. This fulfils the mechanical requirement to rebuild the Booster whilst maintaining Constructional Safety.
Page 6 Trailing Gap Clearance 'X' - is the gap in between Rotors when the driving-rotor moves away from the driven-rotor. Leading Gap Clearance 'Y' - is the gap in between Rotors when the driving-rotor moves towards the driven-rotor. Page 2 © Edwards Limited 2017. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 7 Fill in the necessary service information and record the results of each inspection into the ATEX Inspection Record Sheet which can be found at the back of this Instruction Manual. Only Edwards trained and qualified ATEX Inspectors can sign-off the ATEX Inspection Record Sheet. © Edwards Limited 2017. All rights reserved.
Page 8 EH2600 =/> 0.10 mm EH4200 =/> 0.10 mm 5. Check and record the inspection results. 2.1.2 Tools Long Series Feeler Gauges.  Page 4 © Edwards Limited 2017. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 9 =/> 0.52 mm EH4200 =/> 0.79 mm 4. Check and record the inspection results. 2.2.2 Tools Long Series Feeler Gauges.  © Edwards Limited 2017. All rights reserved. Page 5 Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 10 EH4200 (E1 and E3) =/> 0.27 mm 7. Check and record the inspection results. 2.3.2 Tools Lifting Crane and Accessories  Long Series Feeler Gauges.  Page 6 © Edwards Limited 2017. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 11 EH2600 =/> 0.25 mm EH4200 =/> 0.25 mm 5. Check and record the inspection results. 2.4.2 Tools Long Series Feeler Gauges.  © Edwards Limited 2017. All rights reserved. Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 12 Long Series Feeler Gauges  Rotor Setting Tool:  TDS003788 (for EH250) TDS004117 (for EH500) TDS004394 (for EH1200) TDS004396 (for EH2600) TDS004395 (for EH4200) Page 8 © Edwards Limited 2017. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 13 Long Series Feeler Gauges  Rotor setting tool:  TDS003788 (for EH250) TDS004117 (for EH500) TDS004394 (for EH1200) TDS004396 (for EH2600) TDS004395 (for EH4200) © Edwards Limited 2017. All rights reserved. Page 9 Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 15 A301-55-855 Issue C History Version C - Updated for the new directive, and the test specification document ST538. © Edwards Limited 2017. All rights reserved. Page 11 Edwards and the Edwards logo are trademarks of Edwards Limited.
Page 16 Pass / Fail EH1200 =/> 0.29mm EH2600 =/> 0.33mm EH4200 =/> 0.33mm Any comments Note: Only Edwards trained and qualified ATEX-Inspector can sign-off this ATEX Inspection Record Sheet. A copy must be scanned and stored under the serial number in http://globalquality/ATEX/Records/Service/...
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Page 19 Download the latest documents from www.edwardsvacuum.com/HSForms/, follow the procedure in HS1, fill in the electronic HS2 form, print it, sign it, and return the signed copy to Edwards. Note: If we do not receive a completed HS2 form, we will not accept the return of the...
Page 20 edwardsvacuum.com...

This manual is also suitable for:

Eh 500 t3 Eh 1200 t4 Eh 2600 t3 Eh 2600 t4 Eh 4200 t3 Eh 4200 t4