Using a sharp point, remove the end cap from the temperature control knob, then remove the locknut and the temperature control knob assembly. Fit the temperature control knob intermediate nut followed by the die cast temperature control lever. The locknut should be tightened to a torque of 25Nm. Finally fit the chrome plated end cap and tighten using the end cap multi-tool.
Again using a sharp point, remove the end cap from the on/off knob. Using a 3mm hex key, undo the screw washer, remove the spacer and then the on/off control knob.
Using a 17mm socket, remove the non-rising headgear. This is replaced by the ceramic disc assembly, which is screwed into place and tightened to a torque of 25Nm.
Fit the die cast flow control lever - note that this only rotates through a quarter turn. Use a 3mm hex key to fit the washer and screw, then screw the on/off end cap into place and tighten using the end cap multi-tool.