DISASSEMBLY AND REASSEMBLY SHIFTING CONTROLS
7. Holding notched-end of bar, install the 1st-2nd speed shift bar in middle bore of housing boss, positioning the shift block on bar between the center and rear bosses; and the yoke on bar be- tween the front and center bosses, long hub to the front of housing. Just prior to inserting notched-end of bar in rear boss, install the small interlock pin VERTICALLY in bore at neutral notch. Install the block and yoke Iockscrews, tighten and wire securely. NOTE: It is necessary that interlock pin remain in a vertical position during reassembly as rotation of the bar will cause pin to jam in tension spring bores.
Holding notched-end of bar, install the 3rd-4th speed shift bar in upper bore of housing boss, po- sitioning the shift block on bar between the cen- ter and rear bosses; and the yoke on bar between the front and center bosses, long hub to the rear of housing. Install the block and yoke lock- screws, tighten and wire securely.
For models so equipped, install the oil trough on housing. Tighten capscrews and wire securely.
11. Remove the assembly from vise and install the three tension balls, one in each bore on top of housing.
8. Install the other 3/4" interlock ball in bore at top of rear boss. This ball rides between the 1st-2nd and 3rd-4th speed shift bars,