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Figure 27 Controller view

Normal S

tus

Alarm

Rx Tx

CAN

tus

CS/5036/

1. Bearing LED (indicates when bearing

service is recommended)

2. Standby increase button

3. RS485/CAN/RS232 slide switch

4. USB connector

5. Standby speed decrease button

6. Pump status LEDs

7. Serial receive/transmit LEDs

8. CAN status LED

9. nEXT pump power supply interface

10. Accessory connector

11. nEXT pump logic interface

1. Bearing LED (indicates when bearing

service is recommended)

2. Standby increase button

3. RS485/CAN/RS232 slide switch

4. USB connector

5. Standby speed decrease button

6. Pump status LEDs

7. Serial receive/transmit LEDs

8. CAN status LED

9. nEXT pump power supply interface

10. Accessory connector

11. nEXT pump logic interface

06/2021 - ©Edwards Limited

Page 30

300872820_002_C2

B8J203880_C

300872820_002_C2 - Service counter reset

Содержание nEXT 1230H

Страница 1: ...SERVICE TOOL KIT nEXT 730D 930D 1230H INSTRUCTION MANUAL 300872820_002 B8J203880_C Original instructions edwardsvacuum com...

Страница 2: ...e content As far as practical we have ensured that the products have been designed and constructed to be safe and without risks when properly installed and used in accordance with their operating inst...

Страница 3: ...Assembly 19 6 1 Bearing preload check 25 6 2 Clearance check 26 6 3 Bearing monitoring and conditioning system 26 6 4 Bearing run in mode 27 7 Service counter reset 28 7 1 Reset the service interval u...

Страница 4: ...ter nut 17 Figure 13 Remove the M8x1 nut 17 Figure 14 Extract the bearing 18 Figure 15 Grease the axial disc 19 Figure 16 Press in the bearing 20 Figure 17 Screw in the M8x1 nut and the counter nut 21...

Страница 5: ...nd caution instructions Obey these instructions WARNING If you do not obey a warning there is a risk of injury or death Different symbols are used according to the type of hazard CAUTION If you do not...

Страница 6: ...hazard exists Warning Dangerous voltage Identifies possible hazards from dangerous voltages Warning Hot surfaces Identifies a potential hazard from a hot surface Warning Protective earth ground Earth...

Страница 7: ...NG AND CRUSHING When reaching into open flanges there is a risk of cutting and crushing your fingers Do not operate the vacuum pump with open flanges Do not reach into the pump When installing the vac...

Страница 8: ...Ring 35x3 FKM Grease syringe with 0 4 ml LVO 821 grease nEXT730 930D Bearing exchange tool kit part no B8J200845 nEXT1230H Bearing exchange tool kit part no B8M200845 Figure 1 Special Tools CS 5299 B...

Страница 9: ...2 mm hex socket wrench 3 Hook tool with 90 end 4 Torque screwdriver with 12 mm and 14 mm hex socket 1 4 square torque range 2 to 6 Nm 5 4 mm T bar 6 Long nose pliers 200 mm 7 13 mm hex socket wrench I...

Страница 10: ...preload we recommend you perform a check at first Preload is the process where a permanent thrust load is applied to the mechanical bearing Thrust is applied by the misalignment between the inner stat...

Страница 11: ...30H If no sound can be detected at the nEXT1230H a multi meter can be used to detect the change of the preload Put one banana plug connected to the multi meter in the hole of the test plunger and conn...

Страница 12: ...nted with the high vacuum flange on top preload 50 N The marker must be within the correct adjustment area when hearing the distinct sound 7 Lower marker for pump models with part nos with INV mounted...

Страница 13: ...en INV versions Figure 6 Mounting orientation for nEXT1230H INV BC 0034 A NOTICE PUMP DAMAGE The pump can be damaged if it is operated in the incorrectly installed orientation Observe the sticker on t...

Страница 14: ...limiter 5 Axial disc 6 Counter nut M12x1 7 Nut M8x1 8 Groove ball bearing 8x23x15 install ready 1 Bearing cover 2 Hexagon nut ISO 8675 M8x0 5 A4 035 3 Ball pressed screw M8 x 0 5 x 17 2 A2 4 Axial li...

Страница 15: ...x socket wrench to unfasten the bearing lid 3 Open the pump by removing the bearing lid 4 Use the 22 mm hex socket wrench to unfasten the axial limiter and remove it Figure 9 Disassembly 2 axial limit...

Страница 16: ...to the rotor shaft You can no longer turn the rotor 3 Turn the knurled screw nearly out of the upper part 4 Put the rubber pad on the spider To prevent scratches 5 Put the upper part on the hexagonal...

Страница 17: ...t in the horizontal position 2 Use the torque driver with 14 mm hex socket to remove the counter nut Figure 13 Remove the M8x1 nut CS 5296 A Use the torque driver with 12 mm hex socket to remove the M...

Страница 18: ...spread the claws 2 Insert the ball bearing extractor tool into the pump until it blocks 3 Push the plastic sleeve down until it blocks 4 Turn the knurled screw until the bearing is pulled off the shaf...

Страница 19: ...ab stick to clean the contact area of the axial disc in the pump and remove the old grease from the axial disc 2 Grease the axial disc again with 0 2 ml new grease from the syringe of the service kit...

Страница 20: ...the new bearing at the inner ring and push it in the bearing retainer 3 Insert the press bolt and press the bearing onto the shaft 4 The bearing is in its final position when the gap between the bear...

Страница 21: ...er nut torque 3 Nm Figure 18 Press the rotor into its position CS 5293 A 1 Put the pump in the horizontal position on the foam 2 Remove the rotor fixation tool 3 Turn the pump upside down on the foam...

Страница 22: ...g the axial disc 2 Check the position with the hook Figure 20 Screw in the axial limiter CS 5297 A 30 Nm 1 Use the T bar to turn the headless screw of the axial limiter by a half turn counter clockwis...

Страница 23: ...a control measurement by pressing the rotor into the pump and take the value This is the axial play at the beginning which must be adjusted in this position to 0 04 to 0 06 mm for the nEXT730 930D or...

Страница 24: ...the upright position when you check the axial play The bearing is embedded in O rings Therefore the axial play must be measured in upright position The axial play must be in the range of 0 04 to 0 06...

Страница 25: ...load transition occurs adjust the bearing preload force Using the preload tool body rotate the magnetic bearing adjuster nut viewed from top clockwise if the test indicator is above the pass limit or...

Страница 26: ...nage the bearing condition The status is indicated by a blue LED on the pump The pumps have an integrated battery backed real time clock that is constantly monitoring pump storage time The TMP motor c...

Страница 27: ...the pump 6 4 Bearing run in mode Bearing run in mode BRIM is a start up sequence for the pump designed to precondition the bearing to optimise bearing life The pump goes through a number of speed step...

Страница 28: ...SELECT button to enter the nEXT SERVICE RESET menu 5 Use the DOWN button to scroll down to the Reset bearing due option Push the SELECT button to reset the bearing service schedule 6 To confirm that t...

Страница 29: ...ice counter reset has been completed a power cycle must be performed to complete the process 7 4 Reset the service interval using the turbo drive standby speed control buttons Ensure the drive is powe...

Страница 30: ...status LED 9 nEXT pump power supply interface 10 Accessory connector 11 nEXT pump logic interface 1 Bearing LED indicates when bearing service is recommended 2 Standby increase button 3 RS485 CAN RS2...

Страница 31: ...06 2021 Edwards Limited Page 31 300872820_002_C2 B8J203880_C 300872820_002_C2 Service counter reset...

Страница 32: ...edwardsvacuum com...

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