Forklift Diesel Engine Fuel System Three Couplers:
The plunger coupler, the delivery valve coupler and the injector nozzle coupler are the three major precision component of the diesel fuel system. The three major precision couplers are wearing parts, which have a great impact on the starting, power and economy of the diesel engine.
Common faults of three couplers of forklift diesel engine:
(1) Drip oil from the injector (2) Nozzle valve coupler bite (3) Wear of nozzle and nozzle guide surface (4) Nozzle hole expansion (5) Poor atomization of the injector (6) Nozzle valve body end face wear