- Slacken the screws (2) securing the camshaft front bearing housing. - Turn the crankshaft so that the exhaust valve of the 4th cylinder is fully open. - Tighten the screws (2) securing the bearing sing - Put the drive pulley in place. Fit a new securing nut and tighten it by 72 to 80 mAN (7 to 8 (50 to 57 ft lbs) - Release the parking brake. - Fit and tension the belts. Tighten the securing screws and nuts on the alternator and H.P. pump. - Fit the battery and the battery frame. - Adjust the valve rockers as indicated in §§ 1 to 9