Before proceeding with shaft installation, it is necessary to place the synchronizer ring of the 1st/2nd gear on the cone of the corresponding gear and measure the gap "a" between the ring and the gear (figure 295). The maximum permissible gap (wear) is 0.5 mm.
After installing the crackers in the hub, put the collar on it.
On both sides of the synchronizer, install the springs so that their ends are mutually rotated by 120°, as shown by the dotted line in Figure 296. You should also pay attention to the fact that the groove in the cage is directed towards the 1st gear pinion.
Heat gear 15 (see figure 292) IV gear up to 120°C and insert the shaft into the gear with the protrusion facing the III gear.
Also put on gear 14 of the III gear, and the projection should be directed towards gear 4 of the IV gear. The shaft and gears should not be covered with oil.
Insert gear 12 of the 2nd gear and lubricated needle bearing 13.
Press on synchronizer hub 10; the groove of the sleeve must be facing upwards. Make sure that the synchronizer ring has been installed correctly.
Install the retaining ring (see figure 291) and a washer. Put gear 6 (see figure 292) I gear. Put on the spring washer and also the retaining ring.
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