3. Description
This manual provides step by step instructions for the removal and insertion of the
mechanical bearing on the nEXT730D/930D/1230H pump.
3.1 Supplied equipment
Bearing exchange video training is available on the Edwards Vacuum Channel on
YouTube.
nEXT730/930D Bearing kit part no. B8J200827
nEXT1230H Bearing kit part no. B8M200827
▪
Grooved ball bearing 8x23x15
▪
O-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
2
1
4
3
5
6
No.
Special tools
1
Bearing preload measurement and setting tool
2
Bearing press bolt
3
Bearing extractor
4
Rotor fixation tool incl. rubber pad, Ø approx. 45 mm, approx. 2 mm thick,
with a hole in the center Ø approx. 13 mm
5
Gauge holder for measuring the axial play
6
Reset tool
06/2021 - ©Edwards Limited
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300872820_002_C2 - Description
Summary of Contents for nEXT 1230H
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