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During assembly, lubricate the gear roller bearings. Figure 105 71120 Figure 106 61199 Mount the 4 th speed gear as follows: Heat the roller bearing (2) to 100 °C. Fit it on the main shaft (1) with the lubrication holes ( →) facing as shown in the figure and leave it to cool. Mount the synchronizer ring (4) and the coupling body (3). Figure 107 61200 Position the roller bearing (2) with the lubrication holes ( →) facing as shown in the figure of the 4 th speed gear (3), heat them to 100 °C and mount them assembled in this way on the main shaft (1). ! Before assembly, heat the: - internal rings of the bearings to approx. 100 °C - bushings, hubs for sliding sleeves and toothed ring °C - seats of the bearings on the box and cover to °C ! After mounting the gears, check their end float, 1 st -2 nd speed gears 0.2 mm; - 4 th speed gear 0.05 mm; - reverse gear 0.4 - 1.15 mm. ! The split ring (1) is supplied as a spare with different Check the clearance between the split ring (1) and its seat ! The main shaft is shown in the version with the end 88 GEARBOX ZF 16 S 151 D.D. - 181 D.D./O.D. - 221 D.D. S TRALIS AT/AD Base - January 2003 |