DS21 & DS21M / DS19A & DS19MA Repair Manual — Page 202

3172_T d) Place Fixture 3172-T with its dowels engaged in the locating holes in the Keeping the fork shaft in neutral and using rod MR 3045-150 to hold it there, bring the operating dog into contact with the fixture locators at "'a"' and "'b". Tighten the screws to 29 lbs ft. (4 (i.e. 39.24 mN). Remove the fixtures and the rod. 44. Fitting the third and fourth speed selector fork shaft. a) Fit the interlock plunger (the shortest) in its bore.