Timing Component Alignment Marks: Locations
The procedure for "Checking Camshaft Timing" can be found under Camshaft, Engine Testing and Inspection
The following is taken from that procedure.
Turn central screw to rotate crankshaft in normal direction of rotation until piston of first cylinder is at firing TDC.
Note: With first cylinder in TDC position, recess in flange on camshaft (1) is aligned with oil injector strip (2).