and bearing (73) in gears (69) and (74) . 20. Put gear (69) , gear (74) , and discs (68) , (71) , (72) and (75) in position in carrier (47) . Install shafts (67) . Note: The rubber in pins (66) must not be damaged. If the rubber in the pins is damaged, replace the pins. 21. Align the hole in shaft (67) with the hole in the carrier. Install pin (66) . Install the pin until the pin is even with the surface of the carrier. 22. Install the thrust disc and ring (65) in position in carrier (47) .