User's Manual

MTU Instruction
for Actaris/Sprague/Schlumberger Gas Meters
Tools Required
PRELIMINARY
To mount the MTU to these meters, you
will need the following tools and
equipment:
• Safety glasses
• Phillips screwdriver
• Slotted screwdriver
Installation Procedure
Before installing the MTU, all anti-tamper,
safety, and security hardware must be
removed from the clear register cover.
Step 1 - Remove the existing clear
register cover by removing the three
screws that hold it. Set the cover aside
and discard the screws.
Step 2 - Remove the register by
removing the two screws that hold it. Set
the register aside and discard the screws.
Step 3 – Next, mount the register onto
the MTU (see illustration below) fastening
the register to the MTU with the #10 x
3/8” screws provided.
Start the two screws into the mounting
holes, and then slide the register beneath
the screws, making sure that the wiggler
on the register is aligned with the MTU
coupler. Tighten both screws to a torque
not to exceed 3-5 inch-pounds.
CAUTION!
Do not over tighten screws.
Excessive torque may
damage the MTU enclosure.
Use of power tools is not
recommended.
Step 4 – Check that the register is
properly engaged by rotating the coupler
on the back of the MTU and observing
the register dials.
Step 5 – Next, Insert the three 10-24 x 2”
machine screws through the holes on the
register cover and MTU as shown below.
Step 6– Turn the MTU over and place the
gasket on the back of the MTU so that it
aligns over the three mounting screws.