INSTRUCTION MANUAL - Alessandri srl

3. BEFORE YOU OPERATE ––––– 39Bleed the fuel system according to the following procedures.When there is air in the fuel system, the fuel injectionpump will not be able to function.1) Check the fuel oil level in the fuel tank. Refuel if insufficient.2) Open the cock of the oil / water separator.3) Loosen the air bleeding bolt on the oil /water separatorby turning 2~3 times to the counter-clockwise usingscrew driver or spanner.4) When the fuel coming out is clear and not mixed withany bubbles, tighten the air bleeding bolt.5) Feed the fuel with the fuel priming lever (mechanicalfuel feed pump) or electromagnetic fuel feeding pump.• In case of using the fuel priming lever on the mechanicalfuel feeding pump, move the priming lever up anddown until the cup of the fuel filter is filled with fuel oil.Bleeding air for the mechanical fuel feeding pumpwithout priming lever, refer to the manual provided bythe equipment manufacturer.• In case of the engine using the electromagnetic fuelfeeding pump.OPTIONTurn the starter switch to the ON position and hold itin the position for 10~15 seconds to operate the fuelfeeding pump.Fuel filterCloseJoint for fuel returnOpenInletFuel cockOutletCupFuelinjectionpumpMechanicalFuel feedingpumpFuel primingleverCloseAir bleeding boltsOpenOil / water separator(On the piping line)Fuel cockOutletCupFuel filter