814 Repair Manual — Volume I — Page 359

c) Fit appliance MR. 630-72 / 10 to the headlamp unit (see photograph). This appliance must be perpendicular and vertical. Check that the two hooking lugs « a » are resting on the rear part of the headlamp unit. Adjust indicator « d » so that mark « c » is opposite the level of the liquid in the plastic tube. MR.630-72/10 d) Proceed as follows. (during this operation, the level of the liquid must not move by more than 7 mm).