2.11. Valve Clearance Adjust Procedure After letting the #1 cylinder’s piston come at the compression top dead center by turning the crankshaft, adjust the valve clearances. Loosen the lock nuts of rocker arm adjusting screws and push the feeler gauge of specified value between a rocker arm and a valve stem and adjust the clearance with adjusting screw respectively and then tighten with the lock nut. As for the valve clearance, adjust it when in cold, as follow. 1) Rotate the crankshaft to overlap the intake and the exhaust valves of #6, then #1 cylinder become the compression state of top dead center. 2) Therefore adjust the valve clearance corresponding to “ “ of lower figure.
At this time there are no force on the push rods of #1 cylinder. 3) Rotating the crankshaft by one revolution, #6 cylinder become the compression state of top dead center. 4) Thereafter adjust the valve clearances corresponding to “ “ of lower figure. 5) After reinsuring the valve clearances, retighten if necessary. No. 1 Cylinder is located at the side where flywheel was installed. Cooling Fan Cylinder No. Exhaust Valve Intake Valve Flywheel 1 2 3 4 5 6 EA8O6001 - 30 - TECHNICAL INFORMATION Model Inta ke Valve Exhau DE12T DE12TI 0 DE12TIA DE12TIS .3 mm 0.3