Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019 177
Troubleshooting Chapter 9
Figure 56 - Power Module Assembly (one phase) • 3300/4160V, 180/360A
Figure 57 - Heatsink Clamp
SCR 1
Heatsink 1
SCR 2
SCR 3
SCR 4
Heatsink 2
Heatsink 3
Heatsink 4
Heatsink 5
Note: SCR 1 and SCR 3 are a matched set.
SCR 2 and SCR 4 are a matched set.
(Do not loosen)
Gap
Center Nut
Locking Nut
(Do not adjust)
Indicating Washer
(Do not loosen)
To remove clamp pressure, loosen lower
center nut so that the gap between the
clamp surface and the heatsink is
approximately 6 mm (0.25 in.).
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