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13-22
Motors for Hazardous Areas
Repairs
WARNING
Defective EX motors must be sent back to the place of manufacture or to
a Bosch Rexroth authorized workshop for EX motors for repairs such as
• Replacing the motor encoder
• Replacing the radial shaft sealing ring
• ...
In no case may they be dismantled or repaired by a workshop not
authorized by Bosch Rexroth.
Danger of explosion due to improper repairs!
⇒ Repairs on EX motors may only be carried out by
Bosch Rexroth or an authorized workshop.
⇒ If Rexroth EX motors are repaired, modified or
retrofitted in a workshop other than at Bosch Rexroth
Electric Drives and Control GmbH, IEC 20034-1
dictates that an additional label is to be attached to
the motor after every repair of modification indicating
the name of the workshop or of the repairman, the
year of the repair and the modifications made.
⇒ After repairs and disassembly in the course of the
maintenance of safety-relevant motor parts, the
motor must be tested individually again according to
EN 50014:1997 (section 26) and EN 50016 if the
explosion-protection characteristics were changed
due to the repairs or disassembly.
Rexroth IndraDyn A
DOK-MOTOR*-MAD/MAF****-PR03-EN-P
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