Installation Instructions

MTU Instruction
for Sprague/Schlumberger/Actaris Gas Meters
Purpose & Scope
This instruction provides a procedure for installing a STAR bracket direct-mount MTU on a
Sprague/Schlumberger/Actaris Model 175, 250 or 400 and 400A (slant-face) Gas
Meter.
Parts Required
Item Part Number Quantity
MTU, Bracket Direct Mount, for Sprague 175, 250 and 400 501-8150H-A or
501-8150HD5-A
1
#10-24 x 3/8” Slotted Fillister Head Machine Screw 069-102412HA 2
Wheel/Magnet Assembly 109-7126A 1
Tools Required
To mount the MTU to these meters, you
will need the following tools and
equipment:
• Safety goggles
• #1 and #2 Phillips screwdrivers
• #1 and #2 Slotted screwdrivers
• 5/32” diameter medium grit
tapered round file
• Metal nibbler tool, 1/8” cut
• Small, diagonal plastic cutting
pliers
See Publication 471-2000, General
Installation and Wiring Guidelines for a
complete list of recommended tools and
supplies for MTU Installation.
Installation Procedure
Before installing the MTU, anti-tamper,
safety, and security hardware must be
removed from the clear index cover.
Note: Early slant-face Sprague gas
meters were equipped with a cast
aluminum framed index cover held in
place by two screws. Later models are
equipped with a plastic index cover held
in place by three screws. This procedure
can be used with either style.
471-2017 - 2/28/2006
Page 79