Note: This paragraph only applies to ADP motors.
Withdrawal
1. The distributor is installed at the rear of the engine on the left and is driven by the upper end of the oil pump drive shaft, which in turn is driven by the auxiliary shaft.
2. Set the engine to the TDC position of the compression stroke of the first cylinder, as described in paragraph 2 of chapter 2A.
3. Disconnect the high voltage wire from the ignition coil on the motor shield, mark the high voltage wires with respect to the spark plugs and disconnect them.
4. Disconnect the Hall sensor wiring from the distributor housing.
5. Unhook the spring clips, remove the distributor cap Make sure that the slider is looking at the cover contact corresponding to the first cylinder (not the lid - number 1) (pic. 4.5).
6. Draw a mark on the distributor, noting its position on the block.
7. Turn away a bolt and remove a fork arm. Remove the distributor from the block. Remove the O-ring (pic. 4.7).
Note: When removing the distributor, the slider will turn counterclockwise.
Examination
8. Remove the O-ring at the bottom of the distributor and inspect it. Replace the worn ring.
9. Check the condition of the teeth of the drive gear - worn teeth cause unstable ignition timing If the gear is worn or damaged, replace the distributor.
Installation
10. Make sure the engine is still at TDC on the first cylinder compression stroke.
11. Make sure that the oil pump shaft drive tongue is parallel to the crankshaft axis (pic. 4.11). If it is not, unscrew it with a screwdriver.
12. Install a new sealing hoof, insert the distributor, secure with a fork and tighten the mounting bolt "by hand". To make the distributor shaft articulate with the oil pump shaft, rotate it slightly. Align the previously applied marks on the distributor housing and cylinder block.
13. The shaft is installed correctly if the slider looks at the first contact of the distributor cap. It may take several attempts to do this because the drive gear is helical. Tighten the distributor mounting bolt.
14. Establish a cover of the distributor and fix spring latches.
15. Connect the wiring connector to the Hall sensor.
16. Attach the high voltage wires to the spark plugs and the center high voltage wire to the ignition coil
17. Now you need to check the ignition timing and, if necessary, adjust it, as described in paragraph 5.
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