Set the piston of the 1st cylinder to the TDC position, aligning the marks on the crankshaft pulley and on the timing cover.
Switch on the ignition and connect a test lamp to the terminal «+» on the ignition distributor housing and to ground.
Check the alignment of the marks on the rotor and the ignition distributor housing, turn the distributor housing counterclockwise and gradually turn it in the opposite direction until the control lamp lights up. In this position, tighten the distributor housing bolt.
Install the dust shield, rotor and distributor cap.