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09.02
8.2.5.2
Disassembling the thyristor blocks for size K
G K
G K
15
13
14
Front thyristor block, level A (weight of a thyristor block, approx. 25 kg)
•
Remove the 3 covers
•
Remove the copper plate
•
Remove the copper plate
•
Unplug the gate and cathode cables
•
Only on disassembling the central thyristor block, remove the two thermistors that are only located on the
central thyristor block by removing the screws
•
Loosen the two M10 hexagon-head screws
•
A
Loosen M10 nut
and pull the thyristor block out upwards at an angle.
Rear thyristor block, level B (weight of a thyristor block, approx. 25 kg)
•
Unplug gate and cathode cables (G, K)
•
Remove 2 M10 hexagon-head screws
•
Remove 2 M10 hexagon-head screws
•
Remove 2 M10 hexagon-head screws
•
H
Loosen M10 nut
angle.
The thyristor blocks are installed in the reverse order.
Siemens AG
6SE7087-6AK85-1AA0
Rectifier/Regenerating Unit
Operating instructions
AoteWell LTD
AoteWell Automation Sales Team
10
G K
G K
8
9
9
5
4
6
7
a
by removing 7 M4 hexagon-head bolts
f
by removing 6 M10 hexagon-head bolts
h
by removing 4 M10 hexagon-head bolts
k
(G, K).
;
S
.
D
.
F
.
G
.
, swing the thyristor block out forwards and pull the thyristor block out upwards at an
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G K
G K
s
and 3 M4 nuts
l
(Torx drive T25).
and swing the thyristor block out forwards.
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12
15
16
11
13
14
d
.
g
.
j
.
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Maintenance
2
1
3
10
8
1
3
5
5
7
4
6
5
7
3
1
2
8-13
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