User's Manual

Chapter 6 National/Lancaster Meter Installation
5. Remove all traces of the old index cover gasket from the meter. The new ERT module
has its own gasket.
6. Make sure the meter drive dog sticks straight out from the meter.
7. If the index has mounting legs, make sure each leg is parallel to the back of the index,
as shown, to provide for proper alignment between ERT and meter.
76 Natural Gas Solutions 100G Installation Guide