Disassembly and assembly of primary and secondary shafts, differential and forks (Skoda Octavia 1U)

1 – retaining ring (replace the ring every time); 2 – gear for 4th gear (assembly position); 3 – retaining ring (for the 3rd gear, determine the thickness again); 4 – gear for 3rd gear; 5 – gear for 2nd gear; 6 – needle bearing (for 2nd gear); 7 – sliding clutch with carriage (hub) of synchronizer for 1st and 2nd gears; 8 – gear for 1st gear; 9 – adjusting washer; 10 – Hexagon head screw, 25 Nm + turn another 90°; 11 – bearing mount (with outer ring/tapered roller bearing, large, and stop for reverse gear); 12 – secondary (driven) shaft; 13 – differential; 14 – seal (if present, replace it; otherwise, lubricate the contact area with a sealing agent); 15 - O-ring (for shaft with flange on the left side; replace); 16 – retaining ring (mounted in combination with compression springs behind flange shafts; when the flange shaft is removed it holds the tapered ring, thrust bearing and compression spring in their position; 17 – conical ring; 18 – adjusting washer; 19 – compression spring for shaft with flange; 20 – shaft with flange; 21 – conical screw, 25 Nm; 22 – Clutch pressure plate rod; 23 – clutch housing; 24 – reverse gear pinion; 25 – reverse gear shaft 26 – primary (drive) shaft (before starting assembly, you need to press out the radial ball bearing (arrow); 27 – Adjusting washer 28 – Reverse gear shift fork 29 – Compression spring 30 – 1st and 2nd gear shift fork 31 – 3rd and 4th gear shift fork 32 – Gear shift bridge with 5th gear shift tube 33 – Gear shift fork rod 34 – Compression spring