Remove the input shaft and press the bearing off the end of the output shaft.
Clamp the output shaft in a vice with pads of soft material, remove the thrust washer and the hub of the sliding sleeve of the synchronizer of III and IV gears with a bronze bushing.
Remove the 3rd gear gear, bronze bushing and needle bearing from the secondary shaft.
Install the secondary shaft on the press with support on the gear of the 2nd gear (Shaft shoulder must not be used as a support) and remove the 2nd and 1st gears, synchronizer rings, bushings and adjusting ring from the shaft (see photo).
The gears of III and IV gears are pressed from the intermediate shaft to the press after the retaining ring is removed.