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Item Part Number Description 1 - Retaining bolt 2 - Ball bearing, layshaft 3 - Retaining plate - bearing 4 - Input pinion, layshaft 5 - Gear - 6th gear 6 - Gear wheel - 3rd gear 7 - 3rd gear synchroniser cone 8 - Inner synchroniser ring 9 - Outer synchroniser ring - 3rd gear 10 - Needle bearing 11 - Snap ring 12 - 3rd/4th gear synchroniser assembly 13 - Outer synchroniser ring - 4th gear 14 - Inner synchroniser ring 15 - 4th gear synchroniser cone 16 - Gear wheel - 4th gear 17 - Needle bearing 18 - Centre bearing, layshaft 19 - Layshaft 20 - Roller bearing, layshaft 21 - Reverse gear idler The layshaft transfers the torque from the input shaft onto the output shaft. Gear wheels and gears and the 3rd/4th gear synchroniser assembly are located on the shaft. First, 2nd and reverse gears are an integral part of the shaft. The layshaft gearwheels and gears can be replaced individually. Because of improved manufacturing tolerances, it is no longer necessary to change the gears and gear wheels in pairs. The layshaft is a solid shaft. In order to prevent the shaft from moving axially, it is additionally secured with a retaining bolt (1) and a bearing retaining plate (3). The rotational direction of the output shaft is reversed by the use of the reverse gear idler (21). OUTPUT SHAFT |