6.2.9. Transmission assembly

Take the rings of the bearings which have remained in nests of parts of a case, and replace all epiploons. Pick up a washer of adjustment of a preliminary tightness of bearings of differential. Establish new rings without a washer of a preliminary tightness.

Fig. 4.39. Installation of the rasporny plug on an axis of a gear wheel of transfer of a backing

Establish differential in a case of coupling and connect both parts of a case of a transmission; tighten bolts of fastening the specified moment.

Fig. 4.40. Installation of amortization inserts (are shown by an arrow) and forks

Fig. 4.41. Spring installation on an axis of forks

Fig. 4.42. Preliminary tightness of the bearing of a secondary shaft. Measurement of distance (And) between an end face of an external ring of the bearing and a transmission case

Measure the indicator of hour type an axial gap of differential. Separate parts of a case and take out a ring of the bearing of differential from a transmission case. Establish in a ring nest a washer in thickness on 0,20 — 0,25 mm more than the measured axial moving of differential. Establish into place a bearing ring. Establish primary shaft, a gear wheel of transfer of a backing and its axis with the rasporny plug (fig. 4.39) in a coupling case. Tighten a flange of fastening of the bearing of primary shaft. Establish a secondary shaft. Establish into place a ball and clamp springs, the mechanism of a drive of forks, forks with amortization inserts (fig. 4.40), a rod of forks with a spring (fig. 4.41). Check ease of rotation of shaft. Put a hermetic layer on privalochny surfaces of parts of a case. Connect both parts of a case of a transmission and tighten bolts of fastening the moment of 30 N · m. Uncover, located at an end face of a secondary shaft. Take out an epiploon, then an adjusting ring and the rasporny plug. Measure by means of a nutromer distance (And) between a ring of the bearing and a case surface (fig. 4.42). Pick up the adjusting ring which thickness determine by a formula

T = And + B — In, where And — the measured distance, mm;

B — 0,18 — 0,25 mm; In — 2,5 mm (thickness of the rasporny plug).

Fig. 4.43. Installation of an adjusting ring of the bearing of a secondary shaft

Establish into place an adjusting ring (fig. 4.43), having picked up it on tab. 4.3, an epiploon and a cover.

Axial moving of a secondary shaft, mm	Thickness of an adjusting ring, mm
2,35-2,40	0,1
2,40-2,45	0,15
2,45-2,50	0,2
2,50-2,55	0,25
2,55-2,60	0,3
2,60-2,65	0,35
2,65-2,70	0,4
2,70-2,75	0,45
2,75-2,80	0,5
2,80-2,85	0,55
2,85-2,90	0,6
2,90-2,95	0,65
2,95-3,00	0,7
3,00-3,05	0,75
3,05-3,10	0,8
3,10-3,15	0,85
3,15-3,20	0,9
3,20-3,25	0,95
3,25-3,30	1