Examples of various gear train motors and mounting
In general, oil-filled spring return motors like the MA418 are
straightforward replacements. In this case, the Belimo FSNF or FSAF
may be direct coupled. The shaft spring should be examined and
exercised to prove it is still operational. The fusible link cannot be seen,
however it should release the shaft spring.
Gear Train Motors and Linkages - Replacements with Belimo March 2018
9
