Installing the speedometer drive gear
Size A = 123.5±0.5 mm.
1. Before assembly, lubricate the surfaces of interacting parts with gearbox oil.
2. Install the secondary shaft bearing in the middle part of the gearbox housing and secure the retaining ring of this bearing.
3. Install the spring rings on the synchronizer hubs.
4. Install the 1st gear synchronizer ring and 1st gear on the secondary shaft.
5. Install the sealing ring on the secondary shaft with the working edges facing away from the bearing.
6. Install the bearing, secondary shaft and retaining ring in the middle part of the gearbox housing.
7. Install the 5th gear pinion, sealing ring and 5th gear synchronizer onto the secondary shaft.
8. Install the speedometer drive gear on the secondary shaft. Observe the distance A = 123±0.5 mm (see Fig. Installing the speedometer drive gear).
9. Install the 1-2 gear synchronizer on the secondary shaft. The groove (for the forks) on the sliding sleeve of this synchronizer should be directed forward.
10. Install the synchronizer ring, 2nd gear pinion and two mounting half rings and a retaining ring. The location of the hole for the second gear thrust half rings is indicated by the arrow.
11. Install the 3rd gear gear, 3rd-4th gear synchronizer and retaining ring on the secondary shaft.
12. If the synchronizer has been disassembled, then when assembling it, you should make sure that the groove on the sliding sleeve is directed forward.
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