Check the condition and replace the breaker contacts if necessary.
Make sure that the contact surfaces are smooth and touch over the entire area.
Clean the stationary contact if necessary.
Engage any forward gear and roll the vehicle forward so that the movable contact moves to its maximum extent.
Loosen the locking screw 1 (see photo) of the fixed contact of the breaker.
Insert the blade of a screwdriver between the two protrusions 2 of the plate and the cutout of the breaker contact bar.
Using a screwdriver, adjust the gap between the breaker contacts, which should be 0.45 mm.
Tighten locking screw 1.
Apply a thin layer of molybdenum disulfide lubricant to the cam and blow out the distributor housing with compressed air.
Check and, if necessary, adjust the cam angle or the closed state angle of the breaker contacts using appropriate instruments.
The article was copied from the website AudiManual.ru