Liquid Controls MS Series Installation & Parts Manual page 23

6. Keeping the spare displacement gear between the
right rotor gear and blocking gear, use the allen
wrench to loosen the screw of the right rotor gear
assembly.
7. To loosen the screw of the blocking rotor gear, move
the spare displacement rotor gear to between the
left rotor gear and the blocking rotor gear to prevent
the gears from moving.
Once all the screws are loose, remove the screws
and washers completely from each of the 3 gear
assemblies.
Disassembling the Meter
23