DS21 & DS21M / DS19A & DS19MA Repair Manual — Page 522

31. Fit the differential. a) Place the differential, with its bearings, in the gearbox. Hold it in position by means of clamps MR. 3644-50, b) Connect the clutch bell-housing to the gearbox, the joint faces smeared with sealing compound HD 37). Lightly tighten the nuts. Remove the clamps. c) Place an adjusting washer and a distance piece whose total thickness is 7 mm, against the differential right-hand bearing,