Install the gearbox on the turntable 23 0 050 for disassembly.
Drain the oil from the gearbox housing.
Remove the clutch release fork, and remove the clutch release bearing from the guide sleeve of the gearbox front cover.
Remove the transmission front cover and remove the adjusting rings.
Remove the retaining ring from the input shaft, then remove the adjusting rings.
Press the input shaft front bearing out of the gearbox housing.
On vehicles from model year 1978, unscrew the plug of the gear selector rod retainer, remove the spring and blocking sleeve, unscrew the bolt securing the reverse idle gear axle.
Loosen the nuts, remove the rear cover and push its dowel pins into the sockets.
Install a protective sleeve with a diameter of 28 mm and a length of 25 mm on the end of the input shaft and separate the gearbox housing and the rear cover using tool 23 1 1000, which, when the clamping bolt is screwed in, rests on the shaft through the sleeve, moving the rear cover away from the gearbox housing.
Remove the gearbox housing, press out the input shaft rear bearing and remove the adjusting rings.
Turn out from a back cover a plug of the lock of rods of a shift fork, take out a spring and a blocking plug.
Turn II on! gear and push the pin of the 3rd and 4th gear shift fork as far as possible so that it fits between the teeth of the synchronizer clutch hub.
On vehicles from model year 1978, having unscrewed the fastening bolt located on the top part of a back cover, turn draft of a drive of a gear change.
Pull out the 3rd and 4th gear shift fork.
Remove the locking sleeve from the end of the selector rod and knock the axle off the rod tip.
Having rested the shift fork of III and IV gears in the synchronizer sliding sleeve, remove the gear selection rod from the rear cover by turning the leash up.
On vehicles from model year 1978, after unscrewing the mounting bolt on the side surface of the rear cover, remove the reverse gear lever. Remove the reverse fork rod and remove the detent ball.
Release the sliding clutch of the synchronizer of III and IV gears and remove the fork of III and IV gears.
Remove the bushing and take out the shaft of the driven gear of the speedometer drive.
Remove the circlip from the output shaft flange.
Install centering sleeve 23 1 200 on the output shaft and lock the output shaft flange with lock 23 1 140.
After unscrewing the nut, remove the output shaft flange, using a puller if necessary.
Remove the rear bearing and shims from the output shaft.
Press the output shaft bearing out of the rear cover using Rillex 23 2 060, placing a piece of sheet metal 2 mm thick between the gears of the 2nd and 3rd gears so as not to damage the 2nd gear synchronizer. Remove adjusting rings.
Raise the input and output shafts slightly and remove the intermediate shaft.
Remove the axle together with the reverse fork and reverse idle gear. Remove the retainer balls.
Take out primary and secondary shafts together with a rod and a shift fork of I and II transfers. Remove the retainer balls.
Remove the reverse light switch and remove the plug located to the right of it.