UAZ PATRIOT Operation Manual page 107

- when closing the tank filler necks, make sure the plugs are
in good condition, the sealing gasket is present and undamaged,
and ensure tight closing of the plugs by applying adequate force;
- for partial fuelling of the motor vehicle, start from the
right-side tank;
- check fuel consumption in both fuel tanks.
fuel tanks 18, 22 (Fig. 9.8). Fuel tanks maintenance includes
fuel module (right tank) filter regular purge, fuel level indicator
inlet pipe filter (left tank) and tanks purge.
Regularly check tanks attachment for security and tighten
fastening bolts when required.
Fuel tanks must be dismantled from the motor vehicle in
order to flush them.
Prior to dismantling the tanks from the motor vehicle, do
the following:
- disconnect accumulation battery;
- open cap in bodyshell floor over fuel module 3;
- disconnect motor fuel pump (fuel module) and fuel level
indicator sender wires and insulate them;
- disconnect fuel pipe line tubes and hoses;
- loosen filling pipe collar and pull off connection hose.
Then unscrew coupling band pins, turn collars down so as
not to impede tank lowering and remove tank.
Install tank in reverse order.
Submersible fuel module 3 (Fig. 9.8) contains motor pump,
gauze filter, jet pump, proportioning valve and fuel sender. Install
fuel pipes until quick removal connector locking spring clicks.
From time to time, check and clean the pins of the fuel pump
connection to the in-vehicle network.
Pay special attention to the reliability of the ground connection.
It is not recommended to operate the motor vehicle if there
is less than 5 liters of fuel in the right-side fuel tank.
When overcoming the steep inclines, there must be at least 20
liters of fuel in the right-side tank.
The fuel module filter shall be flushed when the tank is not
removed from the motor vehicle, and, furthermore, the fuel
module must be withdrawn from the fuel tank through the hatch
in the body's floor.
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