Lada Niva 4x4, Руководство по обслуживанию

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Simultaneously remove the reverse idler gear 1 (fig. 3-23)
from the shaft, gear 3 in assembly with the coupling and fork 4
from the output shaft.
With the help of a special mandrel (like a screwdriver) remove
the 5th synchro unit hub together with reverse driven gear 2 from
key 4 (fig. 3-24).
With the help of a special mandrel (like a screwdriver) and a
knock-out tool take out the front and rear bearings of the inter-
mediate shaft from the transmission casing. Make marks on the
inner rings of the double-row bearing for further refitting in the
bearing outer ring.
Take the intermediate shaft out from the transmission casing,
inclining it as shown on fig. 3-25.
Take out from the transmission casing the 1st, 2nd, 3rd and
4th selector rods one by one, previously having undone the
securing bolts. Taking out the rods, simultaneously remove three
detents 6 (fig. 3-26). Remove the output shaft idler bearing lock
plate (fig. 3-27). Undo the fastening nut of the reverse idler gear
shaft and remove it.
69
Fig. 3-25. Withdrawing the intermediate shaft from transmission casing
Fig. 3-26. Gear shift mechanism:
1 - 3rd/4th selector fork; 2 - 1st/2nd selector rod; 3 - 3rd/4th selector rod; 4 - 1st/2nd selector fork; 5 - 5th/reverse selector rod; 6 - detents; 7 - detent cover; 8 - detent
spring; 9 - detent ball; 10 - 5th/reverse selector fork; 11 - 5th/reverse fork rod head; 12 - 5th/reverse gear unit; 13 - reverse idler gear shaft; 14 - reverse idler gear;
15 - guide plate washer; 16 - guide plate; 17 - gear shift lever housing; 18 - ball socket; 19 - cap; 20 - spring; 21 - thrust washer; 22 - circlip