Press the bearing out using a 50mm diameter bushing into the crankcase.
Install the bearing using a 65mm bushing. The bearing separator should be facing away from the driven gear.
Install the snap ring that holds the bearing. Reinstall the differential into the housing. Place a block of wood under the pinion.
Install the spring locking ring B onto the head 1 of tool B. Vi. 946. and then the head onto the planetary gear.
Place the tool (2) B. Vi. 946 on the head (1) and insert with force until the spring retaining ring is in place. Remove the tool B. Vi. 946.
Rotate the entire assembly and check if the speedometer pinion rotates (if it is installed).