DS21 & DS21M / DS19A & DS19MA Repair Manual — Page 201

June 1966. Corrective No.1 a) b) c) d) e) a) b) 42, reverse 43. Determine the neutral position of the reverse speed selector fork shaft. Engage the reverse selector fork shaft (1) in the bore in the gearbox. Fit Fixture 3174-T, with the screw (B) aligned on the line of the shaft. Engage the Rod MR 3045-150 in the interlock plunger holes until the end of the bar enters the notch in the spindle.