34. Check the clearance of the selector shaft. With a clear large gap, it is necessary to unscrew the selector shaft lever and remove the shaft from the inside of the housing. Remove the spring, knock out the plug with a soft metal punch. Also, using a punch, knock out the bushings. Please note that they are of different lengths. The length of the outer one is 9.5 mm, and the inner one is 12 mm. Then, at the surface level, insert new bushings and insert the shaft, insert the selector shaft lever, press it to the specified torque. Insert the spring and drive in the plug.
35. Check the reverse shaft and, if it is very worn, knock it out of the housing using a soft metal punch. If the extraction of the shaft is difficult, it is necessary to heat the case near the shaft with a blowtorch. The end of the shaft should be lubricated with protective liquid, and then the housing should be heated and a new shaft driven in from the outside so that the inner end of the shaft is 83.3 mm below the sealing surface of the gear housing.
36. Check the bearings of the input and output shafts for wear, rotate them and, if a large gap or noisy operation is detected, replace them with new ones. It is also necessary to check the condition of the rear bearing cover.
37. Check if sliders with forks are damaged. Check the hole in the hub of the reverse gear and the condition of its teeth. If necessary, replace the corresponding elements with new ones.
Pic. 6.5. Gearbox input shaft 084
1 - spring ring; 2 - remote washer; 3 - ball bearing; 4 - input shaft; 5 - needle bearing; 6 - gear wheel of the 3rd speed; 7 - synchronizer ring of the 3rd speed; 8 - spring ring; 9 - remote washer; 10 - 4th speed synchronizer ring; 11 - needle bearing; 12 - gear wheel of the 4th speed; 13 - spring ring; 14 - needle bearing; 15 - a ring supporting crackers; 16 - synchronizer hub; 17 - synchronizer housing; 18- synchronizer crackers; 19 - a ring supporting crackers.
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