Daedong EX50-SA - ENGINE TROUBLESHOOTING

EX50-SA / EX55-SA / EX5310-AU / EX5810-AU
9
-
2
This troubleshooting chart summarizes simple service items for users who are familiar with mechanical systems.
For more detailed service items, contact your local
KIOTI
Dealer.
ENGINE TROUBLESHOOTING
CAUSE COUNTERMEASURES
1. When engine is dif-
cult to start
•
Fuel is thick and doesn’t ow.
•
Check the fuel tank and fuel lter.
•
Remove water, dirt and other impurities.
•
As all fuel will be ltered by the lter, if there should be water
of other foreign matters on the lter, replace the lter.
•
Air or water mixed in fuel system.
•
If air is in the fuel lter or injection lines, the fuel pump will not
work properly.
•
To attain proper fuel injection pressure, check carefully for
loosened fuel cap nut, etc.
•
Loosen air vent screw over fuel lter and fuel injection pump
to eliminate all the air in the fuel system.
•
Thick carbon deposits on orice of in-
jection nozzle.
•
This is caused when water or dirt is mixed in the fuel. Clean
the nozzle injection piece, being careful not to damage the
orice.
•
Check to see if nozzle is working properly or not, if not, install
a new nozzle.
•
Valve clearance is wrong
•
Adjust valve clearance. (When the engine is cold)
- Inlet : 0.25 mm (0.010 in.)
- Exhaust : 0.30 mm (0.012 in.)
•
Engine oil become thick in cold weather
and engine cranks slow.
•
Change grade of oil according to the weather. (Temperature)
TE150 (EX50, EX55)-���-09.indd 2 2019-03-19 �� 2:33:55