Figure 4.1. Mark for rotor installation on the distributor housing rim
2. Remove the distributor cap.
Figure 4.2. Offset slots on the camshaft
3. If you are going to disconnect the wires from the cover, they should be marked or numbered so as not to get confused during installation.
4. Remove the spark plugs and check that the gearbox is in neutral (this is necessary so that the engine can be turned manually).
5. Turn the crankshaft using a wrench placed on the bolt of its pulley so that piston No. 1 begins to rise on the compression stroke. Continue turning the shaft until the mark on its pulley aligns with the pointer on the camshaft belt cover (see photo). The cutout in the upper part of the distributor shaft should be aligned with the mark on the rim of its housing.
Photo 6.5. Mark for ignition adjustment.
6. When removing the distributor, make sure that the engine does not move from this position, as this will significantly facilitate subsequent installation of the distributor.
7. Disconnect the low voltage wire from the coil.
8. Disconnect the vacuum tube from the distributor.
(Text was copied from the portal: OpelBook.ru)
9. Unscrew the nuts and remove the distributor clamp plate. Remove the distributor from the engine (see photo).
Photo 6.9. Removing the distributor clamp plate nuts.
10. The distributor is installed in the reverse order. Check that the engine has not moved from the position it was installed in before removing the distributor. If for some reason this happens, set the engine back to the position specified in paragraph 5.
11. Install a new sealing ring on the distributor flange and align the cutout in the distributor shaft with the mark on the rim of its housing. Check that the distributor dog is correctly positioned relative to the slots in the camshaft and install the distributor in place (see photos).
Photo 6.11A. Installing the O-ring.
Photo 6.11B. Installing the distributor.
12. Turn the distributor to again align the notch on its shaft with the mark on the rim of the housing.
13. Screw the distributor clamp bolt back into place and tighten it.
14. Connect the low voltage wire to the coil and the vacuum tube to the vacuum block. Replace the cover, connect the wires, plugs and negative battery cable.
15. Check the ignition timing using a strobe lamp (see section 8).
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