2-8-21-proverka-opornykh-ehlementov-s-gidrokompensatorami.html
2.8.21. Check of basic elements with hydrojacks
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THE NOTE
Basic elements with hydrojacks are not subject to repair.
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Irregular knock of valves at engine start is normal.
Operating procedure
Get the engine and wait, while the radiator fan will join at least once.
Raise turns on 2 mines to 2500 mines-1, if necessary spend a trial trip.
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THE NOTE
If irregular knock of valves vanishes, but at trips on short distances again appears, it is necessary to replace oil редукционный the valve.
If noise of basic elements with hydrojacks does not vanish, it is necessary to define the faulty basic.
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Remove covers ГБЦ.
Turn crankshaft that the cam of a checked basic element has settled down above.
Cars with a mechanical transmission
With included 4th transfer and the switched off ignition to advance.
Cars from a check point multitronic
Turn a cranked shaft for the central bolt of a pulley semi wedge a belt clockwise.
Define a backlash between a cam and the roller lever.
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Fig. 2.391. Backlash definition between a cam and the roller lever
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Press on the roller lever a screw-driver downwards ( fig. 2.391). If between a cam-shaft and the roller lever enters probe in the thickness of 0,20 mm:
Replace a basic element.
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THE NOTE
After installation of cam-shafts the engine it should is impossible to get Hydrojacks within approximately 30 minutes to be besieged (differently valves will be adjoin to pistons).
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After works over клапанным the mechanism scroll the engine by hand not less than two turns to be convinced that any valve does not adjoin to the piston.
The sizes of valves
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THE NOTE
To process inlet and final valves it is forbidden. Grinding in is supposed only.
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