User's Manual

Itron Meter Installation
2. Insert the 10 - 24 x 1/4-inch screws into the index mounting posts two turns. Do not tighten the screws.
3. Align the index wriggler (1) with the drive post of the ERT shaft (2). Carefully slide the index onto the
mounting screws.
4. Verify the 100G shaft drive post makes positive engagement with the index wriggler.
Warning Indexes have varying drive mechanism styles. Failure to align the ERT shaft with the index
drive post can cause binding and lead to poor registration or meter failure. To verify proper engagement of
the index to the ERT shaft, spin the wriggler one clockwise rotation, then one-counterclockwise rotation.
Do not spin the wriggler more than one complete rotation. The wriggler should spin freely, with little or
no resistance.
5. Hold the index in place and tighten the index mounting screws.
Warning Verify the index is correctly positioned all the way to the right on the index mounting screws
before you tighten the index mounting screws. Failure to properly mount the index on the index mounting
screws may cause binding and meter failure.
6. Slide the ERT module cover over the index and housing. Verify the cover is installed correctly. The ERT
module label should be clearly visible and easily read.
TDC-0823-014 100G Series Gas ERT Module Installation Guide, Direct Mount 33
Proprietary and Confidential