6 MAINTENANCE
0463 751 001
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© ESAB AB 2023
Model Volume per gearbox
ESD 60 3.2 dm
3
ESD 90 6.4 dm
3
ESD 120 9.7 dm
3
All gearmotors are of Siemens brand.
More detailed information around maintenance of SIMOGEAR gearbox (BA 2030) and motors
(BA2330) can be found at Siemens web site.
For changing gearbox oil and/or bearing lubrication follow the steps in chapter 8, Service and
maintenance in respective manual by download the them from the following links:
BA 2030
https://support.industry.siemens.com/cs/document/60666158/operating-instructions-ba-
2030%3A-simogear-gearbox?dti=0&lc=en-DE
BA 2330
https://support.industry.siemens.com/cs/document/60666508/operating-instructions-ba-
2330%3A-la-le-motors-for-mounting-on-simogear-gearboxes?dti=0&lc=en-DE
In the manuals tables of recommended lubricant to use in gearboxes and bearings can be found.
NOTE!
Do not mix oils of different brands. Drain the oil from the gearbox before refilling with oil from a
different brand.
6.7 Inverters
All inverters are of Siemens brand.
More detailed information around maintenance and troubleshooting of Sinamics V20 Inverter can be
found at Siemens web site.
A new inverter with appropriate application software can be purchased from ESAB as a spare part.
6.8 Bearings
NOTE!
Before loosening the screws and nuts holding the bearing hubs, mark their position in relation
to the wheel stand beneath, for example with a permanent marker. Do this to facilitate the
remounting and aligning of the PU wheels afterward.
Make sure that the new bearings hubs are tightened to the correct torque.
M12 (8.8 quality) 81 Nm
M16 (8.8 quality) 197 Nm
M20 (8.8 quality) 385 Nm
6.9 PU wheels
NOTE!
Read section "Bearings" before you replace the PU wheel.
Before replacing a PU wheel, one of the flange bearings needs to be removed. There can be a locking
screw located in the casted rim, which needs to be loosened before the PU wheel can be pushed off
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