Install the valve trim
Remove the plaster shield.
Push the escutcheon over the valve.
Install the handle. Tighten the screw with a 3 mm Allen wrench. The screw must engage the slot on the cartridge.
Justify the handle.
Set the high temperature limit stop, if required.
slot 
Justify the handle
Turn the water on to the tub spout or hand- shower. Place a thermometer in the water stream. Turn the temperature control knob until the output water temperature is 100°F. Turn the water off.
Loosen the handle screw with a 3 mm Allen wrench. Remove the handle.