Waters Autospec Premier Operator's Manual page 205

• Remaining heater push-on connections.
To remove the end plate
1. Remove two 5.5-mm nuts and washers, and 2 screws and washers
securing the end plate to the contact rail assemblies and metal pillars
respectively.
Hold down the ceramic rods when removing the end plate, so
Caution:
that the source lens plates and supporting ceramics do not fall apart.
End plate securing screw
End plate
Heater connections
End plate securing nut
Source maintenance 7-47