Pic. 11.19. Input shaft of gearboxes F4M21 and F5M21: 1 - Snap ring; 2 - Ball bearing; 3 - Inner rotating ring; 4 - Adjusting washer; 5 - Gear 4th gear; 6, 15 - Needle bearings; 7 - Bearing shell; 8, 13 - Synchronizer rings; 9 - Synchronizer springs; 10 - Clutch for engaging 3rd and 4th gears; 11 - Synchronizer cracker; 12 - Synchronizer hub for 3rd and 4th gears; 14 - Gear 3rd gear; 16 - Primary shaft
Pic. 11.20. Input shaft for F5M22 and W5M31 gearboxes: 1 - Snap ring; 2, 6 - Ball bearings; 3, 13 - Bearing shells; 4 - Snap ring (for F5M22 produced since December 1987.); 5 - Snap ring (for F5M31 produced since December 1987.); 7 - Adjusting washer; 8 - Snap ring (KM206-0-EKRN, F5M31); 9 - Disc spring (KM206-0-EKRN, F5M31); 10 - Secondary gear (KM206-0-EKRN, F5M31) - 11 - 4th gear; 12, 21 - Needle bearings; 14, 19 - Synchronizer rings; 15 - Synchronizer springs; 16 - Clutch for 3rd and 4th gears; 17 - Synchronizer cracker; 18 - Synchronizer hub of 3rd and 4th gears; 20 - Gear 3rd gear; 22 - Primary shaft