Marsh 4BT Manuel D'utilisation page 60

Repair
25005/97231 Rev D
7. Once this screw is loosened, loosen and remove the screws attaching the two wires.
One wire is attached to the thermostat and the other is connected to the brush tank
post.
8. Replace the old thermostat with the new one.
9. Reconnect the two wires attached to the thermostat and the brush tank post by
replacing the screws which secure the wires.
10. Tighten the screw through the thermostat, insulator board and shield.
11. Slide the brush tank plate back into place under the tape channel.
12. Replace the eight screws that attach the brush tank plate to the front of the machine.
13. Reattach the brush tank and water regulator.
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