Install the secondary shaft in a vertical position

Disassembly and assembly of the secondary shaft of the gearbox

Remove retaining ring 1 and spring ring 2 of the 3rd and 4th gear synchronizer.

Disassembly and assembly of the secondary shaft of the gearbox

Pry up the 3rd gear gear with two screwdrivers and move it up together with the synchronizer.

Remove the 3rd and 4th gear synchronizer.

Then remove the 3rd gear with the locking ring.

Mark the locking ring relative to the coupling.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the 3rd gear needle bearing and mark it.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the retaining ring of the secondary shaft thrust half-rings.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the two thrust half-rings.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the locking ball.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the 2nd gear with the locking ring.

Mark the locking ring relative to the coupling.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the 2nd gear needle bearing and mark it.

Remove the 1st and 2nd gear synchronizer and the 1st gear.

The operation is similar to removing the 3rd and 4th gear synchronizer and 3rd gear gear

Turn over the shaft.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the circlip and spring ring of the speedometer drive gear.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the speedometer drive gear by first removing the locking ball

Compress ball bearing 1 and remove the thrust washer.

Remove 5th gear 2 with locking ring 3.

Mark the locking ring relative to the coupling.

Disassembly and assembly of the secondary shaft of the gearbox

Remove the needle bearing and spacer.

Mark the needle bearing.

Remove the retaining ring.

Remove the 5th gear and reverse synchronizer and the reverse gear.

The operation is similar to removing the 3rd and 4th gear synchronizer and 3rd gear gear

Assembling the secondary shaft

The secondary shaft is assembled in the reverse order of disassembly.

Before assembly, lubricate the secondary shaft parts with a thin layer of transmission oil.

Make sure that when assembling the synchronizer blocks fit into the grooves of the blocking rings.

The ball bearing must be pressed onto the shaft, applying force only to the inner ring of the bearing.