Installation Instructions

Table Of Contents
MTU Instruction
for Actaris/Sprague/Schlumberger Gas Meters
Purpose & Scope
This instruction provides a procedure for installing a STAR direct-mount MTU on the
following Actaris/Sprague/Schlumberger residential gas meters: 1A, 175, and 240 (Flat-
face). 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
Ref. # Item Part Number Quantity
1 Adaptor 056-12705A 1
2 10-24 x .75” Phillips pan head machine screw, zinc 069-102424A 2
3 Gasket 066-11583 1
4 MTU, Sprague Direct Mount per project 1
5 Tall Magnet Coupler 056-12705B 1
6 Coupler Shaft 056-5155D 1
7 Register Coupler 056-11583D 1
8 #10 x 3/8” combo head thread form screw, Type A, zinc 069-100012C3A 2
9 Clear Register Cover 056-12705C 1
10 10-24 x 2” slotted fillister head machine screw, zinc 069-102464HA 3
471-2047 - 7/18/2007
Page 189