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12-4
Operating IndraDyn A Motors
MAD – Motor Fan
MAF – Coolant Supply
It may become necessary to dismantle the fan unit for maintenance
measures or troubleshooting.
⇒ This work must be carried out only by skilled personnel.
⇒ Do not carry out any maintenance measures when the machine is
running. Please observe the safety notes.
⇒ During dismantling, keep the strips, screws and nuts with which the
fan units are fastened.
Parts of the fan unit housings consist of several elements that are
screwed together. Remove only the indicated screws.
The fastening and basic housing of the fan unit are essentially identical
for axial and radial fans.
General procedure for maintaining the fan:
1. Switch off the system and disconnect the electrical fan connection.
2. Before loosening the fixing screws, make sure the fan unit does not
drop; carefully remove the fan unit from the motor.
3. After completing cleaning or troubleshooting, reattach the fan unit.
Secure the fastening screws with "LOCTITE 243 screw fastener" and
reestablish the connections.
4. Check the functioning of the motor fan and the air circulation.
5. Log all maintenance measures in the machine maintenance plan.
(1):
Fastening screws (also on rear)
Fig. 12-2:
MAD fan
It may become necessary to dismantle the coolant supply for
maintenance measure or troubleshooting.
⇒ This work must be carried out only by skilled personnel.
⇒ Do not carry out any maintenance measures when the machine is
running. Please observe the safety notes.
⇒ Protect open supply cables and connections against penetration of
pollution.
Rexroth IndraDyn A
1
MAD_Operation.EPS
DOK-MOTOR*-MAD/MAF****-PR03-EN-P
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