User's Manual

Itron Meter Installation
2. Remove the drive dog from the flat-faced Sprague meter. Replace it with the extended drive dog included
in the kit. Hand-tighten to snug.
Warning A gasket surrounds the meter drive dog shaft. A gas leak could result if the gasket is damaged.
Do not use a tool to install or tighten the new drive dog. Hand-tighten only.
• Attach the adapter plate to the meter with the gasket against the meter face. Secure the plate to the
meter with the two adapter plate mounting screws. Tighten the screws in an alternating pattern.
• Insert the right adapter plate screw and tighten the screw enough to hold it in place.
• Install the left mounting screw and tighten to a snug fit.
• Finish by tightening the right mounting screw to a snug fit.
Tighten each screw evenly.
Note The 100G must be assembled and programmed following the instructions in To assemble the ERT
module and index on page 32 and Programming the ERT Module Assembly on page 20 prior to installation on
the meter.
Securing Brass Meter Tags to Flat-faced Meters
Some older Sprague meters have metal index covers with brass meter tags attached (by screws or rivets) to
metal index covers.
Typically, brass meter tags have mounting (screw/rivet) holes on each end of the tag.
Mount brass meter tags using one of three Itron-approved methods.
To secure brass meter tags to flat-faced meters
Method 1 and 2
1. Carefully remove the brass meter tag from the meter index cover. Try not to damage the meter tag
mounting holes.
TDC-0823-014 100G Series Gas ERT Module Installation Guide, Direct Mount 40
Proprietary and Confidential