Views: 2 Author: Site Editor Publish Time: 2021-08-18 Origin: Site
Frequently fault and exclusion methods of the engine
1, the engine starts difficult
Fault mode | Method of exclusion |
1, the crank speed is too low (<120 rpm) | Check if the battery starter line connector is firm; check the battery voltage |
2, fuel pollution | Re-refuel after cleaning the fuel system |
3, air filter clogging | Check air filters, clean or replace |
4, air in the fuel system | Low low, high pressure oil road air |
5, injection pump injection timing is wrong | Check, adjust |
6, the valve clearance is not adjusted | readjust |
2, the engine starts soon
Fault mode | Method of exclusion |
1, the engine idle is too low | Check adjustment |
2, fuel pollution | Re-refuel after cleaning the fuel system |
3, more air in the fuel system | Tighten each tubing joint, exhaust |
4, fuel filter plugging | Clean or replace |
5, the oil supply pump does not work | Check to fix or replace |
3, engine operation is unstable
Fault mode | Method of exclusion |
1, idle low | Check adjustment |
2, the oil surface in the fuel tank is too low | come on |
3, the fuel system has air | exhaust |
4, the injection pump is not working properly | Debug fix |
5, injection is wrong | Check adjustment |
6, fuel atomization is poor | Check and fix |
This article is reproduced from: Dongfeng Truck Corporation Heavy Car Factory - \"Military Dongfeng off-road vehicle Adjustment and Maintenance Manual\"
