Chapter 7 - Exchange of Thyristors for Size A7
VI A
7 - 6
DCS 500 / DCS 600 Service Manual
Figure 7-6
Mounting clamp; loose condition
Note:
The indicating spring is a very sensitive instrument and
must be handled with care.
8. Tighten each nut in turn, half a turn at a time with the help of a
ring spanner until the indicating spring clicks into position “cor-
rect torque”. Do not tighten the screws any further.
Figure 7-7
Mounting clamp; correct torque
Note:
The correct torque is indicated by means of the welded
indicating spring.
9. Perform an OHM test to make sure the thyristor is ok.
10. Reconnect the backplate, branch fuses, DC- / AC-busbars and
all other dismantled parts.
11. Perform an OHM test between U1, V1, W1 and C1, D1 to make
sure the power part is ok.
Torque indcating
spring
loose condition
Torque indcating
spring
correct torque
3ADW000093R0701_DCS500B/DCS600_Service manual_e_g
Содержание DCS 500B
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Страница 12: ...Contents viii DCS 500 DCS 600 Service Manual 3ADW000093R0701_DCS500B DCS600_Service manual_e_g ...
Страница 102: ...Chapter 10 Service VI A 10 26 DCS 500 DCS 600 Service Manual 3ADW000093R0701_DCS500B DCS600_Service manual_e_g ...
Страница 125: ...Appendix A Spare Parts List DCS 500 DCS 600 Service Manual VI A A 19 3ADW000093R0701_DCS500B DCS600_Service manual_e_g ...