Flowserve SMB Series Electric Actuators - Manual (Page 82)

SMB Series/SB Series Installation and Maintenance FCD LMENIM1401-04-AQ – 01/15
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NOTE: The SB-00 has available an optional, very light, Belleville Spring set consisting of eleven
washers arranged as shown in Figure 8.1. Ensure washers are reinstalled correctly. The light spring
set also has a Thrust Sleeve (piece #119) that is installed at this point. When the light spring set is
used, the locknut installed in the next step must be pulled up snug against the spring set and then
tightened an additional 13/4 turns to preload the springs.
13. Install Spring Housing Cover (piece #121) and gasket (piece #122).
Figure 8.1 – SB-00 Parts Diagram
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