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Rare-OLD CARS

MOSKVICH-412

Сайт для инженеров и механиков

REPAIR lubrication system.
Checking the oil pump

To check the pump first, make sure in good relief valve (Fig. 46). To check the valve is set on a special stand and pressure tested, and the watch the moment Primary and fully opening the pressure reducing valve. Moskvich-412 Check valve for industrial oil prooizvoditsya And brand-5A GOST 20799-88. At a pressure of up to 3 kg \ cm2 valve must be closed, leakage is allowed only individual drops. At a pressure of 6 kg \ cm2 valve must be opened completely, the oil must flow continuously jet. If necessary, bevel grind the valve to the seat in the body, and the force of compression spring adjust screw. After the final assembly of the oil pump check it out on a special stand. As a working fluid on the stand, use an industrial grade oil I-5A at 20 ± 5 * C. When speed of the pump shaft 250 1 \ minutes, and with closed Outlet oil pressure should not be less than 2.0 kg \ cm2.
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