Installation Instructions

MTU Instruction
for Rockwell 175-EMCO Gas Meters
Purpose & Scope
This instruction provides a procedure for
use in installing a Hexagram STAR MTU
on a Rockwell 175-EMCO Gas Meter.
Please also refer to Publication 471-
2000, General Installation and Wiring
Guidelines for general information
covering the wiring and mounting of
STAR MTUs.
Parts Required
Item Part Number Qty
Magnet Clip
with Magnet
056-12469A 1
Sensor Clip 056-12469B 1
MTU/Sensor
Assembly
506-7712BRO1 1
Tools Required
• Screwdriver, #2 Phillips
• Screwdriver, 1/4” slotted (flat-
blade)
• Round file
Also see Publication 471-2000, General
Installation and Wiring Guidelines for a
complete list of recommended tools and
supplies for MTU Installation.
Installation Procedure
Step 1 – If necessary, remove any anti-
tamper seals or security hardware from
the index cover.
Step 2- Loosen and remove the two
screws securing the index cover to the
meter. Set the screws and the index
cover aside. These items will be reused
during reassembly.
Step 3 – Remove the index by removing
the two screws securing the index to the
meter. Set the screws aside.
Step 4 – Turn the index over and slide
the magnet clip onto the index drive dog
as shown. Slide the clip onto the drive
dog until it snaps into place.
471-2037 - 4/28/2008
Page 161