Views: 1 Author: Site Editor Publish Time: 2021-08-18 Origin: Site
Common faults and exclusion methods IV engines
1, the engine starts difficult
Fault mode | Elimination method |
1, the crankshaft speed is too low (<120 rpm / min) | Check if the starter battery connector is safe. Check battery voltage |
2, fuel pollution | After cleaning the fuel system |
3, air filter blockage | Check air filters, clean or replace |
4, air in the fuel system | Low launch, high pressure air passage |
5, the timing of the fuel injection pump is not | Check, adjust |
6, the valve clearance is not adjusted | readjust |
2. Turn off the engine instant
Fault mode | Elimination method |
1, the engine idle is too low | Check and adjust |
2, fuel pollution | After cleaning the fuel system |
3, more air in the fuel system | Each fastening pipe joint and exhaust |
4, fuel filter blockage | Clean or replace |
5, the pump does not work | Check repair or replacement |
3, engine operation is unstable
Fault mode | Elimination method |
1, low idle speed | Check and adjust |
2, the fuel tank is too low | come on |
3, the fuel system has air | exhaust |
4, fuel pump does not work properly | Commissioning and repair |
5, no injection time | Check and adjust |
6, fuel atomization is poor | Check and repair |
This article from: Dongfeng Heavy truck company depot - \\\"military Dongfeng off-road vehicle adjustment and maintenance manual \\\"