Masoneilan SVI II ESD Installation and Maintenance Manual =| 69© 2016 General Electric Company. All rights reserved.Dismantling the SVI II ESD from Reciprocating ValvesWARNING Before carrying out any work on the device, power off theinstrument or ensure that the local conditions for potentiallyexplosive atmosphere permit the safe opening of the cover.To remove the SVI II ESD PST controller from a reciprocating valve perform Steps 1 - 12 in thereverse order.Checking the MagnetThere are two methods of checking the SVI II ESD magnet: