INTERLOCK NOTCHES 1 s y 7 v i qr PIN HOLES REVERSE 1 2 3 A SHAFT SHAFT SHAFT channel slightly with a small drift and insert the reverse shifter head shaft fig 6D 52 partially into the case to compress the detent Then engage the pin of the reverse shifter head with the yoke of the reverse shift lever Check that the shaft pin hole is aligned with the pin hole in the shifter head and push the shaft through until the pin holes in the head and shaft align Secure shifter head to shaft with roll pin 13 To install the assembi 3 mainshaft in the case shift the synchronizers into second and fourth simultaneously both full forward to provide clearance to pass the countergear Insert the mainshaft through the rear bearing bore into the case Align rear bearing retainer portion of clearance hole with portion of clearance hole located at the 2 o clock position on the rear face of the case then tap rear bearing retainer into case until flush with the rear face 14 With large snap ring installed in outer diameter of front bearing tap bearing into front of case and over clutch gear hub until large snap ring seats against front of case BEARING RETAINER RING CLUTCH SELECTIVE SHAFT SNAP RING RING T Fig 6D 53 Clutch G or and Bearing Snap Rings 15 Retain clutch gear in bearing with selective snap ring fig 6D 53 With proper snap ring installed maximum end play between bearing and snap ring will be 005 16 Install small snap ring in inner diameter of clutch gear fig 6D 53 This snap ring acts as a bottoming stop for the clutch shaft 17 Prior to installing the 1 2 shift fork shift the 1 2 synchronizer and the 3 4 synchronizer to neutral Then install one interlock in the 3 4 detent channel 18 With the interlock pin in the hole in the interlock notch end push the 1 2 shift fork shaft par