Removing a thyristor
1. For thyristor stacks, detach the gate lead from the thyristor electronics.
① Guide bolt
② Open-ended wrench
Figure 9-10 Open-ended wrench in the groove of the guide bolt
2. Insert the open-ended wrench ② into the groove of the guide bolt ①.
③ Socket wrench
④ Clamping screw
Figure 9-11 Loosening the clamping screw with the socket wrench
Maintenance
9.6 Repairs
SINAMICS GL150 6SL38503UM114PA0Z
128 Operating Instructions 04/2017
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