Fig. 3-12. Gearbox: 1 - bottom cover; 2 - plug for checking the oil level; 3 - intermediate shaft; 4 - gearbox housing; 5 - intermediate shaft constant mesh gear; 6 - front bearing of the intermediate shaft; 7 - bolt; 8 - washer; 9 - primary shaft; 10 - front cover: 11 - rear bearing of the primary shaft, 12 - clutch housing; 13 - breather; 14 - constant mesh gear of the primary shaft; 15 - needle bearing; 16 - toothed ring of the 4th gear synchronizer; 17 - sliding clutch of synchronizer of IV and III gears; 18 - synchronizer locking ring; 19 - synchronizer spring 20 - third gear pinion; 21 - 2nd gear pinion; 22 - hub of the sliding clutch of the synchronizer of the 1st and 2nd gears; 23 - secondary shaft; 24 - 1st gear pinion; 25 - gear bushing; 26 - secondary shaft intermediate bearing; 27 - reverse gear; 28 - outer cover; 29 - gear shift lever rod; 30 - thrust pad; 31 - elastic bushing; 32 - spacer sleeve; 33 - locking sleeve; 34 - inner cover; 35 - spherical washer of ball joint; 36 - gear shift lever; 37 - back cover; 38 - oil seal, 39 - nut; 40 - seal spring; 41 - centering ring of elastic coupling; 42 - centering ring seal; 43 - elastic coupling flange; 44 - secondary shaft rear bearing; 45 - spacer sleeve; 46 - Reverse gear fork; 47 - reverse intermediate gear; 48 - intermediate shaft reverse gear; 49 - reverse intermediate gear axle; 50 - sliding clutch of synchronizer of 1st and 2nd gears