UAZ 2001 ???-2206, Инструкция по эксплуатации

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Immediately stop running the engine if some faults in the engine
lubrication system are detected.
Maintenance of the Crankcase Ventilation System
For flushing and cleaning, remove the vacuum regulator
from the engine and disassemble it. Clean the pipelines (Fig. 23),
the calibrated orifice "b" (Fig. 24) and flush the parts of the
vacuum regulator.
Check tightness between the case and cover plate when
assembling the vacuum regulator.
Maintenance of the Fuel System
Fuel tanks. To wash the fuel tanks, remove them from the
automobile. Flush the fuel tanks with clean gasoline.
Fuel filter-settler. Periodically drain sediment and water
through the drain hole stopped with a plug 8 (Fig. 25).
To remove the filter element for washing, unscrew the unions
Fig. 23. Crankcase ventilation:
1 -oil baffle; 2,3 -pipes
Fig. 24. Vacuum regulator:
à -valve seat; b-orifice
1 -spring; 2 -body; 3 -diaphragm;
4 -cover