2、 Power Insufficiency; 3、 Smoking Exhaust - YANGDONG YD380D Operation & Maintenance Manual

O P E R AT I O N & M A I N T E N A N C E M A N U A L
cause
1 Compress pressure in cylinder is too
low
2 delivery fuel advance angle incorrect
3 clearance between air valves is
incorrect
4 fuel supply imbalance
cylinder
5 air filter blocked
6 fuel injection pumps, fuel injector sets
worn off or fuel injection pressure
incorrect
7 speed incorrect
causes
1 over load
2 spray instruction ill
3 inferior quality of fuel
4 combustion incomplete
2、 Power Insufficiency
Reference to fifth solution of first fault, replace a
new part if exceed its wear limit
Adjust according to specifications
Adjust according to specifications
among every Adjust injection pumps to proper supply
Clean
Replace them with new patrts,adjust fuel injection
pressure and check fuel spray
adjust the speed control handle, make the
speed to reach rated speed
3、 Smoking Exhaust
remedies
reduce the load, if they are unsuitable
matching , adjust it
check the spray pressure and atomization, if
the
fuel pump is damaged, replace it
Use
Main reason is
delivery fuel advanced angle incorrect ，
leakage at cylinder cover gaskets and low
compression pressure. solute in accordance
with specific problems
remedies
eligible fuel
:fuel pump atomizes bad,
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