User's Manual

Chapter 2 American Meter Installation
Index wrigglers on one-foot meters have drive slots.
Index wrigglers on two-foot meters have drive posts.
An index may have mounting screw holes.
An index may have mounting screw slots.
If the index has mounting screw
slots, skip steps 4 and 5 below. Continue with step 6.
18 Natural Gas Solutions 100G Installation Guide