Page 303 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

17 Drain the fuel remains on the tank.
18 Fill tank with warm water and rinse it . Repeat it till the tank is clean.
19 Flush out water and make it dry by keeping on sun light.

20 Check the hoses, pipes and fuel tank for any leak. If necessary replace it.
21 Refix the fuel tank.

TASK 2 : Servicing of LP fuel pump

Fuel pump

1 Remove Fuel pump cover plate from fuel tank.
2 Remove fuel pump assembly from fuel tank.
3 Check fuel pump assembly for damage. If necessary replace it.
4 Check fuel pump suction filter for blockage of dirt or any contamination. Clean and If necessary replace it.
5 Check the resistance between terminals of fuel level sensor for different float position. Compare the values
with service manual. If the values are out of specification, change the fuel pump.
6 Clean mating surface of fuel pump assembly and fuel tank.
7 Change the gasket.

8 Place the fuel pump inside the fuel tank.
9 Refix the fuel pump cover plate with new bolts.
10 Reconnect the Fuel supply line and return line.

TASK 3: Servicing of Fuel filter
1 Disconnect the battery negative cable of vehicle.
2 Remove ECM coupler.
3 Loosen the fuel filter hose clips and disconnect the fuel filter inlet and outlet hoses.

4 Loosen the bleed screw and drain water and fuel.
5 Remove water level sensor and fuel temperature sensor wiring connector.
6 Remove water level sensor.
7 Remove the fuel filter cowl top cover.

8 Remove fuel filter assembly.
9 Connect battery and ohm meter to fuel filter water level sensor as shown in the figure.

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CITS : Automotive - Mechanic Diesel - Exercise 17.1