User's Manual

Chapter 6 National/Lancaster Meter Installation
2. Install an index mounting screw in the left mounting hole and tighten the screw just
enough to hold it in place.
3. Place the index’s mounting leg screw slot under the screw head and tighten the screw
enough to hold the index leg in place, but loose enough so you can pivot the index
around the screws.
4. Make sure the index’s right mounting leg screw slot is positioned over the ERT
module’s right index mounting leg screw hole.
5. Turn each screw 1/4 to 1/2 turn after it contacts the mounting leg.
To attach the index to 100G ERT Module without mounting legs
1. Get two screws (part number SCR-0037-001) for attaching indexes to ERT modules
by their backplate mounting screw holes.
78 Natural Gas Solutions 100G Installation Guide