Replacement Of Fuses And Thyristor Assemblies On D400 / 900 Mre Converters - Siemens SIMOTRAS 6SG7050 Operating Instructions Manual

01.04

13.2.4 Replacement of fuses and thyristor assemblies on D400 / 900 Mre converters

5
25 Nm
4
6 Nm
• Undo the M6 hexagonal nut
• Swing the fan
• Remove the brace
screws.
• Remove fuses
converter model).
• Undo the M10 hexagon-head screw
• Undo assembly locking mechanism (M6 hexagonal nut)
upwards at an angle.
• Install the new components in the reverse order.
Caution: The fuse mounting screws are of different lengths!
SIEMENS AG 6SG7000-0BA76
SIMOTRAS HD Operating Instructions
6 8
25 Nm 6 Nm
a.
s upwards and hold in place with support rail
f with the attached protective cover by undoing the 2 M6 hexagon-head
g by undoing the 2 hexagon-head screws on each (M10 or M12 depending on
h
d.
and swing thyristor assembly
k
, then pull out thyristor assembly
Maintenance
2
3
1
10 Nm
7
j
out towards you.
j
13-9