Remove the measuring chamber
Chamber Cover
Bolts
Chamber Cover
Bolt Washers
Chamber Cover
O-Ring
Chamber Cover
Measuring
Chamber
Note: Chamber Bolt quantity varies
by meter size
(Black nylon washers are below
the stainless steel washers)
1. With the service line pressure off, loosen all chamber cover bolts.
2. Continue loosening the bolts until all bolts and washers can be removed.
3. Use a medium-size screwdriver to pry between the valve body and chamber cover at
the upstream cover bolt seal wire rib until the cover raises out of the body.
4. Remove the measuring chamber and place the chamber cover O-ring in a safe,
clean place.
Disassemble the measuring chamber
The following steps and accompanying illustrations explain how to disassemble the
OMNI measuring chamber for part replacement.
1. Remove the bonnet seal screw (4) using the Sensus seal removal tool.
2. Twist the bonnet (53 or 3) counter-clockwise and lift it off the base.
3. Raise the register (55 or 5) off the base, taking care to not strain the pick-up probe
wire.
4. Using your fingers (or a 7/16" wrench, if required), remove the probe retaining nut*
and remove the register and probe assembly from the measuring insert. (13).
5 Measuring chamber | 19
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