39 GEAR BOX G-76 SUB ASSEMBLY OF COUNTER SHAFT Refer fig. 69 Heat the constant mesh 3rd/4th gear (74) to 100120 deg.C and press over counter shaft (69) with proper support in such a way that bigger gear i.e. 4th is facing upward. Fit circlip (75). In the same way fit 5th gear (73) over other side such that longer boss is facing upwards. Ensure proper abutment of gear on the counter shaft. Press inner race of taper roller bearing (71) over counter shaft 5th gear side end with help of drift, Pt.No. 2654 5890 26 06 and handle Pt.No. 2640 5890 35 11. Place outer race over it. Reverse the assembly, slide spacer (76) and press another taper roller bearing inner race (71a). Place outer race over it. SUB ASSEMBLY OF DRIVE SHAFT Press inner race of taper roller bearing (11) with the help of drift Pt.No. 2654 5890 26 05. Fig. 70 Fit compression spring (4), spacer (5) of required thickness, thrust bearing (6) and roller cage (7) in drive shaft bore. Fig. 71 Select spacer thickness as per procedure given. SUB ASSEMBLY OF REVERSE IDLER GEAR SHAFT Refer fig. 72 Fit snap ring (83a) over R.I. gear shaft (82). Slide roller ring (84) along with R.I. gear (85) over shaft. Fit another snap ring (83). Fig. 72 Fig. 71 Fig. 70 Fig. 69
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