DISASSEMBLY 6. Raise both input and mainshafts just enough to remove final drive assembly and wifhdraw final drive assembly. sMTeeA 7. Remove bolts which hold shift rod plate and detach input shaft. mainshafx, shift forks and fork rod as a unit. 8. Remove retaining pin and detach shifter. We r 4: 9. Remove welch plug for convenience in re moving retaining pin which holds select lever tc select inner lever.