50 GEAR BOX G-76 Assembly of Reverse / 5th shifter shaft. This shaft is having hole nearer to notch. Corresponding shifter fork is almost symmetrical and there is no step in the collar at the flange. Slide shifter fork on shaft such that engaging collar is facing outwards. Fit spiral pin. Note: Assembly of 3rd/4th shifter shaft which is having through hole in notch for inter locking pin, to be done at the time of final assembly. 23. SUBASSEMBLY OF GEAR BOX HOUSING – REARHALF Mount gear box housing - rear on the work stand. Check for all mounting studs. Fit roller - detent plate in pressure plate 5th gear, if removed earlier. Fit pressure plate 5th gear above pressure plate - Reverse speed. Fit hex screw, bright washer, spring washer and nut. Fit pressure plate Reverse speed in the housing - rear. Tighten hex screw with spring washer. Fit main shaft and counter shaft bearing outer races in the housing half. Assemble plunger Reverse gear detent along with spring in the housing such that its taper face is towards roller. Tighten threaded plug. Ensure correct orientation of detent. Assemble spring - detent plate 5th gear and tighten threaded plug. Ref Fig. 111 Fit assy. selector lever along with roller selector lever. Locate straight end of torsion spring in the hole of selector lever pin and place tubular spacer in the torsion spring. Locate bearing block over torsion spring and tighten hex bolt along with bright washer and spring washer in the housing. Fig. 111
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