O P E R A T I O N & M A I N T E N A N C E M A N U A L
46
2
、
Power Insufficiency
cause
remedies
1 Compress pressure in cylinder is too
low
Reference to fifth solution of first fault, replace a
new part if exceed its wear limit
2 delivery fuel advance angle incorrect
Adjust according to specifications
3 clearance between air valves is
incorrect
Adjust according to specifications
4 fuel supply imbalance among every
cylinder
Adjust injection pumps to proper supply
5 air filter blocked
Clean
6 fuel injection pumps, fuel injector sets
worn off or fuel injection pressure
incorrect
Replace them with new patrts,adjust fuel injection
pressure and check fuel spray
7 speed incorrect
adjust the speed control handle, make the
speed to reach rated speed
3
、
Smoking Exhaust
causes
remedies
1
over load
reduce the load, if they are unsuitable
matching , adjust it
2 spray instruction ill
check the spray pressure and atomization, if
the
fuel pump is damaged, replace it
3 inferior quality of fuel
Use
eligible
fuel
4 combustion incomplete
Main reason is :
fuel pump atomizes bad,
delivery fuel advanced angle incorrect
,
leakage at cylinder cover gaskets and low
compression pressure. solute in accordance
with specific problems