7. Before dismantling, secure the motor and power supply against falling or
movement before disconnecting the mechanical connections.
8. Dismantle the motor from the machine.
9. Log all measures taken in the commissioning report.
13.3.2
Maintenance / Repair
Increase availability with regular preventive maintenance measures. Notice
the information in the maintenance schedule of the machine manufacturer
and the following details regarding maintenance measures and intervals for
the motor.
Danger of explosion, fire or danger to life due
to sparking when working in hazardous
areas!
DANGER
Do only work on the motor in non explosible atmosphere and in de-energized
state.
Heed the safety instructions according to DIN EN 50110-1:
1. Disconnect.
2. Protect the system or plant against restart.
3. Determine de-energization.
4. Ground and short-out.
5. Cover or shield any adjacent live parts.
Before starting to work, check with an appropriate measuring device (e.g. an
multimeter) whether parts of the system are still under residual voltage (e.g.
caused by capacitors, etc.). Wait for their discharging time.
Maintenance
Measure
Interval
Check the mechanical and electrical con‐
nections.
According to the guidelines of the ma‐
chine's maintenance schedule, however,
at least once every 1,000 operating
hours.
Check the machine for smooth running,
vibrations and bearing noises.
According to the guidelines of the ma‐
chine's maintenance schedule, however,
at least once every 1,000 operating
hours.
Remove dust, chips and other dirt from
the motor housing, cooling fins and the
connections.
Depending on the degree of soiling, but
after one operating year at the latest.
Fig.13-1:
Maintenance measures
Repair
MKE must be repaired by the Rexroth service. The following repairs can be
done by the Rexroth service for example:
●
Replacement of motor encoder
●
Replacement of the shaft sealing ring
●
Repair / Change of damaged flameproof joints
●
...
Bosch Rexroth AG
DOK-MOTOR*-MKE*GEN2***-PR06-EN-P
Rexroth MKE Synchronous Motors for Potentially Explosive Areas acc. to ATEX and UL/CSA
122/135
Commissioning, Operation and Maintenance
LSA Control S.L. www.lsa-control.com [email protected] (+34) 960 62 43 01