installed through aligned bores 36 and 38 threads 44 on pin 42 engage thread 40 in bore 36 fig7 outlines the assembly procedures for the installation of pin 42 after aligning housing 20 as previously described the cover 46 see fig2 is removed allowing access to bore 38 for installation of pin 42 pin 42 is advanced and rotated into threads 40 until tapered surface 48 is in an orientation about 180 u00b0 opposed from that shown in fig7 the orientation of surface 48 is determined by the orientation of bore 50 which does not extend all the way through pin 42 bore 50 is designed to accept a handle 52 see fig2 the orientation of tapered surface 48 is known by the orientation of bore 50 having aligned tapered surface 48 in a position about 180 u00b0 opposed from that shown in fig7 the gear 54 is fitted over pin 42 and handle 52 is extended into bore 50 by extending handle 52 through catch 56 on gear 54 the longitudinal positioning of gear 54 with respect to pin 42 is accomplished additionally the orientation of catch 56 allows initial rotation of both pin 42 and gear 54 to get them into the set position shown in fig2 prior to securing the gear 54 onto pin 42 a pair of split sleeves 58 are fitted to housing.