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51443 51417 51445 51446 Figure 81 Figure 82 Figure 83 Figure 84 Heat the bushing (2) to a temperature no higher than 170 °C and mount it on the main shaft (1). Mount the sliding sleeve (4) on the hub (3). Put (3) the springs (7), plugs (5) and balls (6) into the seats in Lubricate the synchronizer ring (4), middle ring (3) and the ring Mount the roller bearing (1). Mount the 2 nd gear (4). Heat the spacer (3) to a temperature no higher than 170 °C and mount it on the main shaft (1). Check the end float of the 2nd gear (4). It should be ÷ 0.30 mm. Heat the bushing (2) to a temperature no higher than 170 °C and mount it on the main shaft (1). Mount the roller bearing (1) and the 3 rd gear (3). Position the synchronizer ring (2) on the 3 rd gear (3). Make sure the tongues of the rings (2 - 3) and the NOTE 42 5 S 300 TRANSMISSIONS D AILY E URO 4 |