Edwards nEXT55 Instruction Manual
Edwards nEXT55 Instruction Manual

Edwards nEXT55 Instruction Manual

Service tool kit

Advertisement

Quick Links

edwardsvacuum.com
nEXT55/85 Service Tool Kit
INSTRUCTION MANUAL
Original instructions
B8G200840_B

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the nEXT55 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Edwards nEXT55

  • Page 1 Service Tool Kit INSTRUCTION MANUAL Original instructions B8G200840_B...
  • Page 2 Decades of Expertise: With 30+ years in the industry, Ezzi Vision is highly experienced in vacuum technology and its applications. Quality Assurance: We ensure that every Edwards pump meets the highest standards of performance and reliability. Innovative Solutions: Leading in technological advancements, we provide the latest Edwards pumps, known for their innovation and efficiency.
  • Page 3 Support toolkit instruction D396498XX Trademark credit Edwards and the Edwards logo are trademarks of Edwards Limited, Innovation Drive, Burgess Hill, West Sussex RH15 9TW. Disclaimer The content of this manual may change from time to time without notice. We accept no liability for any errors that may appear in this manual nor do we make any expressed or implied warranties regarding the content.
  • Page 4: Table Of Contents

    Contents 1. Safety and compliance ................6 1.1 Definition of Warnings and Cautions ..............6 1.2 Trained personnel ..................... 6 1.3 Safety symbols ....................7 2. Introduction ..................... 8 2.1 Scope and definitions ..................8 3. Unpack and inspect ................. 9 3.1 Unpack and inspect ...................
  • Page 5 10. Service ....................30 10.1 Return the equipment or components for service ........30 11. Legal declarations ................31 Page 4...
  • Page 6 Figure 15: Bearing retaining nut assembly ................20 Figure 16: Taper nut assembly ....................21 Figure 17: Oil cartridge assembly ..................22 Figure 18: Preload tool ......................24 Figure 19: nEXT55/85 Drive....................27 Figure 20: Clearance check ....................28 Page 5...
  • Page 7: Safety And Compliance

    B8G200840_B - Safety and compliance 1. Safety and compliance For safe operation from the start, read these instructions carefully before you install or commission the equipment and keep them safe for future use. Read all the safety instructions in this section and the rest of this manual carefully and make sure that you obey these instructions.
  • Page 8: Safety Symbols

    B8G200840_B - Safety and compliance 1.3 Safety symbols The safety symbols on the products show the areas where care and attention is necessary. The safety symbols that we use on the product or in the product documentation have the following meanings: Warning/Caution An appropriate safety instruction must be followed or caution to a po- tential hazard exists.
  • Page 9: Introduction

    B8G200840_B - Introduction 2. Introduction 2.1 Scope and definitions This manual provides instructions for the removal and insertion of the bearing module. Remove the bearing module as specified in this manual. Page 8...
  • Page 10: Unpack And Inspect

    B8G200840_B - Unpack and inspect 3. Unpack and inspect 3.1 Unpack and inspect Remove all packaging and check that all items in Table: Checklist of items for B8G200840 Table: Checklist of items for B8E200845 have been received. It depends on the set of the tool kit which you ordered.
  • Page 11: Figure 3 Bearing Preload Measurement And Setting Tool

    B8G200840_B - Unpack and inspect Figure 3 Bearing preload measurement and setting tool Table 2 Checklist of items for B8E200845 Description Refer to Quantity Check (✓) Figure: Pin spanner ❑ Pin spanner adaptor adaptor Figure: Bearing module ❑ Bearing module extractor tool extractor tool Figure: Bearing preload ❑...
  • Page 12: Bearing Preload Measurement And Setting Tool Preparation B8E200075

    B8E200075 Bearing preload measurement and setting tool B8E200075 is multifunction tool for nEXT85 and nEXT55 variant. Tool can be used for all variants of nEXT55 and nEXT85 pumps. There are two plungers marked 85 or 55 depends on the pump.
  • Page 13: Additional Tools And Items Required

    B8G200840_B - Unpack and inspect Plungers can be easily changed. Refer to the Figure: Plunger change. Press the plunger and rotate and align the groove on the plunger to the pad on the body of the tool. Remove the plunger and make the opposite process with suitable plunger. Figure 8 Plunger change 3.3 Additional tools and items required Additional tools are required to perform a bearing module and oil cartridge...
  • Page 14: Service Kit

    B8G200840_B - Unpack and inspect Quantity Description Typical image 4 mm hex bit Latex gloves (recommended) * As required. 3.4 Service kit Before commencing with the bearing module service, confirm that you have purchased the correct bearing and oil cartridge service kit B8G200811. Page 13...
  • Page 15: Pre-Service Preload Check

    B8G200840_B - Pre-service preload check 4. Pre-service preload check WARNING: ELECTRICAL HAZARD Risk of electrical shock. Wait until the pump is stationary and electrically isolated before removing and servicing your pump. The service instructions section describes how to perform an oil cartridge and bearing module replacement.
  • Page 16: Figure 9 Locating The Preload Tool (Next85 Nw40 Variant Shown)

    B8G200840_B - Pre-service preload check Figure 9 Locating the preload tool (nEXT85 NW40 variant shown) 1. Preload tool force probe 2. Preload tool body 3. Preload test plunger 4. Preload tool adjuster legs 5. Magnetic bearing adjuster nut Page 15...
  • Page 17: Service Instructions

    B8G200840_B - Service instructions 5. Service instructions CAUTION: BEARING CONTAMINATION Risk of injury. We highly recommend that the bearing module service should be performed in a clean environment, free from contamination (metallic fines, dust, human skin and hair). CAUTION: SYSTEM SAFETY Risk of damage to equipment.
  • Page 18: Oil Feed Nut Removal

    B8G200840_B - Service instructions Figure 10 Oil cartridge removal A. Tool - 2.5 mm AF hex key B. Tool - 2.5 mm AF hex T-bar 1. M4 button head screw (4x) 2. Oil cartridge 5.2 Oil feed nut removal ▪ Engage the T10 Torx with driver into the end of the oil feed nut, next engage the T15 Torx screwdriver onto the end of the shaft through the pump inlet.
  • Page 19: Bearing Retaining Nut Removal

    B8G200840_B - Service instructions 5.3 Bearing retaining nut removal ▪ Using the combination of tools, engage the pins of the pin spanner adaptor into the pump bearing retaining nut. ▪ While holding the pump body, undo and remove the bearing retaining nut, place the retaining nut it in a dry clean place.
  • Page 20: Bearing Module Insertion

    B8G200840_B - Service instructions Figure 13 Bearing module removal 1. Bearing anti-rotating tube 2. Bearing extractor sleeve 3. Bearing module 5.5 Bearing module insertion ▪ Remove the new bearing module from its packaging. ▪ Screw the bearing extractor sleeve onto the new bearing module. ▪...
  • Page 21: Bearing Retaining Nut Assembly

    B8G200840_B - Service instructions Figure 14 Bearing module insertion 5.6 Bearing retaining nut assembly ▪ Using the combination of tools, engage the bearing retaining nut onto the pins of the pin spanner adaptor. ▪ In reverse order of removal, fit the bearing retaining nut into position taking care not to cross thread the nut, torque the bearing retaining nut to 6 N-m.
  • Page 22: Taper Nut Assembly

    B8G200840_B - Service instructions 5.7 Taper nut assembly ▪ Screw the oil feed onto the end of the shaft (as a recommendation, this can be performed by hand). ▪ Engage the T10 Torx with torque driver into the end of the oil feed nut, next engage the T15 Torx screwdriver onto the shaft through the pump inlet.
  • Page 23: Figure 17 Oil Cartridge Assembly

    B8G200840_B - Service instructions Figure 17 Oil cartridge assembly A. Tool - Torque screwdriver B. Tool - 4 mm hex bit 1. 4 x screws Page 22...
  • Page 24: Bearing Preload Check

    B8G200840_B - Bearing preload check 6. Bearing preload check CAUTION: OPERATION SAFETY Risk of damage. This operation is required to check and if necessary set the bearing preload using the bearing preload tool, failure to do so may shorten the service life of the turbo pump.
  • Page 25: Figure 18 Preload Tool

    B8G200840_B - Bearing preload check Figure 18 Preload tool 1. Pass/Fail test indicator Note To check if the bearing is set with the correct preload force, the test indicator must be within the pass limits when the preload transition occurs. Page 24...
  • Page 26: Service Counter Reset

    B8G200840_B - Service counter reset 7. Service counter reset WARNING: Following a Service Counter Reset the pump may enter a short setup / test routine. During this period some movement of the rotor may occur. To make sure your safety, in line with the product instruction manual, install the pump in the vacuum system before connecting the motor controller to the power supply.
  • Page 27 B8G200840_B - Service counter reset Step Quick guide procedure To confirm that the service reset has been successful, press the MENU button to return back to the nEXT SERVICE menu. Check that "run" and "until" hours have been reset, also check that status LED has been reset and is no longer flashing. Once the service counter reset has been completed, you must perform a power cycle to complete the process.
  • Page 28: Figure 19 Next55/85 Drive

    Reset the service interval using the turbo drive standby speed control buttons The service interval maybe reset using the nEXT55/85 drive standby speed control buttons. To proceed, make sure the drive is powered. Using a suitable implement such as the end of a ball point pen, press both the increase and decrease standby speed buttons simultaneously for more than 5 seconds.
  • Page 29: Pump Checks

    B8G200840_B - Pump checks 8. Pump checks WARNING: ELECTRICAL HAZARD Risk of electrical shock. Make sure the turbo pump is electrically isolated before performing any manual checks. Before running your pump, we recommend carrying out a number of checks. These checks are designed to make sure that the pump is in the best possible health with the limited test equipment that may be available to you.
  • Page 30: Appendix

    B8G200840_B - Appendix 9. Appendix Preload is the process wherein a permanent thrust load is applied to the main bearing. Thrust is applied by the misalignment between the inner static and the out rotating passive magnetic bearing located at the inlet of the pump. Page 29...
  • Page 31 B8G200840_B - Service 10. Service 10.1 Return the equipment or components for service Before you send your equipment to us for service or for any other reason, you must complete a Declaration of Contamination Form. The form tells us if any substances found in the equipment are hazardous, which is important for the safety of our employees and all other people involved in the service of your equipment.
  • Page 33 edwardsvacuum.com...

This manual is also suitable for:

Next85

Table of Contents