1 fuel injection pump without oil:

(1) No diesel fuel in the fuel tank to add diesel in time

(2) Into the air in the fuel system Release the fuel injection pump and other oil drain screws, hand pump oil, remove the air

(3) Fuel filter or tubing obstruction to clean the paper filter or replacement, to purge the pipeline after cleaning

(4) oil pump failure does not supply oil by oil pump troubleshooting methods

(5) Splitting the plunger coupling Remove the plunger coupling to grind or replace

(6) oil cutting and plunger sleeve sealing surface with poor seal removal, or replace

2 uneven supply:

(1) there is air in the fuel pipeline, intermittent oil supply with hand pump to exclude air

(2) out of the valve spring fracture replacement

(3) oil valve seat wear grinding repair or replacement

(4) plunger spring fracture replacement

(5) impurities block the plunger cleaning

(6) into the oil pressure is too small Check the fuel pump inlet connector and fuel filter is clogged, regular cleaning and maintenance

(7) Adjustment of gear ring loose alignment of factory symbol Tighten the screw.

3 out of fuel:

(1) the valve oil spill repair or replacement

(2) Oil pump inlet connector or fuel filter blockage cleaning filter or core

(3) wear of plunger coupling Replacement of new plunger coupling

(4) oil spill re-tightening or testing.

Regulator For QF-7D2

Regulator For Qf-7D2,Oxygen Regulator Medical,Oxygen Pressure Regulator,Gas Medical Pressure Regulator

Jiangsu Minnuo Group Co., Ltd. , https://www.minnuocm.com