Disassembling The Thyristor Blocks For Size K - Siemens SIMOVERT Master Drives 6SE70 Betriebsanleitung

09.02
8.2.4.2

Disassembling the thyristor blocks for size K

G K
12
11
Front thyristor block, level A (weight of a thyristor block, approx. 12 kg)
•
Remove the 2 covers
•
Remove the copper plate
•
Unplug the gate and cathode cables (G, K)
•
Only in the case of disassembly of the centre thyristor assembly, remove the thermocouple sensor, which is
mounted on the centre thyristor assembly only by loosening the screw
•
Loosen the two M10 hexagon-head screws
•
l
Loosen M10 nut
Rear thyristor block, level B (weight of a thyristor block, approx. 12 kg)
•
Unplug gate and cathode cables (G, K)
•
Remove 2 M10 hexagon-head screws
•
Remove 2 M10 hexagon-head screws
•
D
Loosen M10 nut , swing the thyristor block out forwards and pull the thyristor block out upwards at an
angle.
The thyristor blocks are installed in the reverse order.
Siemens AG 6SE7087-6AK85-0AA0
Common Rectifier Operating Instructions
8
G K
6
7
5
4
a
by loosening 4 M4 hexagon head screws
f
by removing 4 M10 hexagon-head bolts
and pull the thyristor block out upwards at an angle.
;
.
A
.
S
.
G K
h
.
k
and swing the thyristor block out forwards.
Level B
10
12
13 9
11
s
and 3 M4 hexagon head screws
g
.
j
(Torx drive T25).
ENGLISH
Maintenance
2
1
3
8
Level A
6
1
5
3
4
5
3
d
.
8-9