TM 5-3810-300-24 & P2
Compress the springs to fully seat the direct
synchronizer on the pins of the low speed synchronizer.
Place the direct-low shift fork into the yoke slot of the
sliding clutch, short hub to the rear, and install the
synchronizer assembly on the splines of the output
11. Reassemble and Install Auxiliary Shift Cylinder.
Install the O-ring in the bore of the shift cylinder.