Siemens 6RA7086-6KS22 Operating Instructions Manual page 716

Maintenance
Replacement of fan on 1500A to 3000A converters
WARNING
When dismantling the fan-mounting box, please remember that it weighs 12 kg.
Non-observance of this warning can result in severe personal injury or substantial property
damage.
The fan is mounted on top of the converter.
• Remove connector
• Undo the M6 hexagonal nut
• Swing fan upwards and pull it out towards you, taking care to protect the field module mounted
on the left against any mechanical damage!
Installation:
• Tilting the fan from the front and upward (see Fig.), slot it into the two rear guide tabs and then
tilt it downward as far as it will go.
• Tighten hexagonal nut M6
• Insert connector
13-6
a
.
s
.
s
with 10 Nm.
a
.
1
2
SIEMENS AG
SIMOREG DC Master Operating Instructions
05.05
6RX1700-0AD76