http://202.224.189.178/~sgml/viewing/EP1014-U1/NA/SVC/s1305000000.html
13.5 Power Source Switch Block
1.Remove the bushing cover, and pull out the controller cord bushing, and then take off the connector.
*In this stage, it is possible to take off the controller block from the chair.
2.Remove two screws and pull out the power source switch block.Take off the connector of power
supply and remove screw connecting the grounding lead wire.
3.Remove screws and pull out the power source sw bracket.
*If required to replace the fuse, after second step, pull out the fuse holder and replace the fuse inside.
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