Westinghouse WES31-9200 Manuel D'utilisation page 14

10. Assemble the reflector onto the flame screen. Screw the 3 pieces studs onto the
flame screen, place 3 pieces washers Φ6 on top of the studs, then attach the
reflector to the studs, securing them with 3 pieces washers Φ6 and 3 pieces wing
nut.