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E39 series BMW 5since 1996-2001 of releaseRepair and car operation |
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E39 BMW + Introduction + Maintenance instruction + Current leaving and service - Engine - Procedures of repair of the engine Compression check Removal and installation of the bottom guard of an impellent compartment Removal and engine installation Removal and installation of the inlet pipeline Removal and installation of a head of cylinders Removal and camshaft installation Removal and installation of valves Check of directing valves Processing of saddles of valves in a head cylinders / grinding in of valves Removal, installation and tension of a maple belt + System of greasing of the engine + Systems of cooling, heating + Power supply system and release + engine Electric equipment + Manual transmission + Automatic transmission + Coupling and power shafts + Brake system + Suspension bracket and steering + Body + Onboard electric equipment + electric equipment Schemes + System of onboard diagnostics Heavy Metal & Reflected |
Processing of saddles of valves in a head cylinders / grinding in of valves Processing of saddles of valves is required in case they have wear tracks and an obgoraniye or if the directing were processed. Thus it is necessary to observe values of an adjustment corner and width of a facet. To replace saddles, using usual means it is impossible, since they were established with cooling to - 150°С. Processing of a saddle needs the special machine. This work should be carried out in conditions HUNDRED. Values of corners of processing are given in Specifications.
Grinding in of saddles At correctly carried out processing of saddles of valves and new valves grinding in of saddles in a head of cylinders is not required. Valves should get used only fine-grained paste. The sucker which is put on a plate of the valve is applied to grinding in. During grinding in it is necessary to raise often the valve at the same time rotating it further. It excludes formation of furrows on a ground-in surface.
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