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MOSKVICH-412

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REPAIR OF SUPPLY AND EXHAUST GASES.
Checking the fuel pump

One way to check the functioning of the pump is the following. To foster the pump head fitting, connect the receiver having inner diameter of 4 mm, the second end of which Immerse in a container of gasoline. Then manually by pressing a lever, bring into force the diaphragm. With this test, the petrol to a height of 850 mm must begin no later than after 20 full swing lever pump. Check nasossa can work on a special apparatus, allowing to work on a special pump lever eccentric. In such a setting must be precisely followed size and location of cam with respect to lever the pump in accordance with its montage on the engine. When tested on a special installation in the suction of gasoline the tube with an inner diameter of 4 mm height 850 mm and speed 120 1 \ min flow of gasoline should not start later than 10 seconds after starting the pump. When testing the pump must generate pressure within 225-275 mm Hg. of Art. and a vacuum of 300 mm Hg. of Art. After termination of the pump pressure and vacuum for controlling Instruments should be kept for 10 s. Pump speed with shaft drives a 1800 \ minutes must be at least 40 liters \ hour. If the pump does not meet the above requirements, disassemble it and carefully inspect the details and, if necessary re-repair. Before installing the engine repaired and tested pump at the time of its attachment to the cylinder head, check state of cardboard shims under the flange of the pump housing and a heat-insulating lining. Damaged gaskets, replace with new ones. The final tightening of the special (long) nuts on the studs fixing the pump housing to the cylinder head do with the engine warmed up to normal operating temperature. At the beginning of operation engine with a reconditioned pump is recommended periodically pull (crosswise) screws pump head to his body.
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