Oil pump troubleshooting

Common oil pump troubleshooting methods:

(1) No diesel fuel in the fuel tank to add diesel in time (2) Into the air in the fuel system Loosen the oil drain screw of the injection pump, pump the oil with the hand pump, remove the air (3) Obstruction of the fuel filter or tubing cleaning the paper filter element Or replace, blow the net after cleaning the pipeline (4) The fault of the oil pump does not supply oil Check according to the troubleshooting method of the oil pump (5) The plunger is seized and the plunger is removed to perform grinding or replacement (6) cutting oil base sleeve and the plunger sealing surface binding adverse split out grinding, or replace <br> <br> uneven supply:

(1) There is air in the fuel line, discontinuous supply of oil to remove the air by hand pump (2) The outlet valve spring is broken Replace (3) The outlet valve seat surface wear grinding repair or replacement (4) Plunger spring breakage replacement ( 5) Impurities prevent plug cleaning (6) The inlet pressure is too low. Check the inlet of the oil pump inlet filter and the fuel filter for clogging. Periodic cleaning and maintenance (7) Adjust the ring gear to loosen the factory mark. Tighten the screw. .

Insufficient oil output:

(1) Outlet valve fittings Oil leakage grinding Repair or replace (2) Fuel pump inlet fittings Filter or fuel filter obstructs Cleaning filter or core (3) Plunger couple wear Replace new plunger couple (4) The oil pipe joint leakage oil is retightened or inspected.