Clean the threads of the input bevel pinion.
Heat the inner race (1) to 100°C (212°F) and push onto input bevel pinion (2) as far as the stop.
Push the outer race (3) together with the roller cage (4) on to the inner race.
Heat ball thrust bearing (5) to 100°C (212°F) and push fully on to input bevel pinion.
Allow input bevel pinion to cool down.