18. Install the LO-Reverse speed sliding clutch, align- ing the missing internal spline of sliding clutch with key in mainshaft.
20. Install the spacer on shaft against washer.
19. Remove the key from keyway and install the re- verse gear limit washer on mainshaft, flat side of washer up. Rotate washer in the 5th groove of mainshaft to align the splines of washer with those of the mainshaft and reinsert key in keyway to lock washer in place.
21. Install the snap ring in 6th groove of mainshaft to retain key in keyway.