2. Mark the spark plug wires so that they can be reconnected later in the same order and carefully disconnect them from the spark plugs. Disconnect the high voltage wire from the ignition coil, release the clamps and remove the distributor cap with wires.
3. Disconnect the low voltage wire from the coil that connects it to the distributor.
4. Disconnect the vacuum tube from the vacuum capsule.
5. Turn the crankshaft using a wrench placed on the pulley bolt so that the runner approaches the place where electrode No. 2 is located on the distributor cap. Continue turning the crankshaft until the notch on the pulley rim aligns with the first notch (in the direction of rotation of the crankshaft, i.e. clockwise, if you look at the pulley) on the setting scale on the clutch housing.
6. Mark the position of the distributor housing relative to the timing mechanism housing so that it can subsequently be installed exactly in its original position. Unscrew and remove the bolt with the spring washer. Be careful not to drop the tie rod into the support plate.
7. Carefully remove the distributor from the timing case.
8. If you did not touch the crankshaft and timing case when the distributor was removed, then before installing the distributor you should check that the notch on the crankshaft pulley is still aligned with the first notch on the installation scale on the clutch housing.
9. Turn the distributor shaft so that the runner is opposite electrode No. 2 on the distributor cover. Check that the projections on the end of the distributor shaft align with the offset slot in the shaft drive. Insert the distributor into place and check that the protrusions fit into the slot. If necessary, you can slightly rotate the housing and ensure that the marks made before removing the distributor are aligned. Install and tighten the bolt and washer securing the distributor clamp plate. Upon completion, check that the runner is still positioned opposite electrode No. 2.
10. If for some reason you removed the timing case cover while the distributor was removed, you should perform several additional operations when installing the distributor.
11. First of all, turn the crankshaft to the correct position. This is complicated by the fact that the rear flange of the crankshaft pulley has two notches, spaced 180° apart. These notches are used to determine the difference in ignition timing in all four cylinders using a stroboscope while the engine is running. The ignition timing is adjusted by cylinder N 2, and in order to determine which notch should be used, you need to turn the crankshaft in the normal direction of its rotation (clockwise when looking at the pulley) so that piston No. 2 begins to rise on the compression stroke. This can be determined by removing the valve cover and observing when both valves of cylinder No. 2 close. In this position, one of the notches on the pulley should be next to the setting scale. Turn the crankshaft again so that the notch on the pulley aligns with the first notch on the adjustment scale. Check that cylinder No. 2 is still on the compression stroke.
12. Now you can install the distributor (see paragraph 9). Skip the instructions for aligning the marks unless applicable.
13. After installing the distributor, check the ignition timing (see section 10) and tighten the clamp bolt and clamp plate mounting bolt. Replace the distributor cap and connect the spark plug wires and low voltage wire. Connect the high voltage wire to the ignition coil and the vacuum tube to the vacuum chamber. The correct position of the ignition wires is shown in B/Figure 4.5.
