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Chapter 4 Common Fault Analysis and Elimination Approaches for
Diesel Engine
Notice: All fault eliminations are proposed to be disposed in the service station authorized by
A g r i s o n ; otherwise you may not be entitled to enjoy the “Three Commitments”.
(I) Difficult Startup of Diesel Engine
Fault Characteristics & Causes
Elimination Approaches
1.Fuel system
a
）
Fuel brand is selected improperly. b
）
Fuel tank is free of oil or it is switched
off.
c
）
Air is entrained in fuel pipe and
injection pump.
d
）
Water is mixed in fuel, or fuel passage
or filter is clogged.
e
）
Pump for fuel transfer or injection
does not supply oil or advance angle
of fuel supply is improper.
a
）
Select proper fuel brand.
b
）
Add fuel to the tank or switch it on
；
c
）
exhaust the air in fuel system, then tighten the
pipe joints. Replace the fuel.
d
）
Remove the fuel pipe and filter for cleaning or
replace the filter element.
e
）
Check and repair the transfer or injection pump,
adjust the advance angle.
f
）
Clean and polish the matching parts of the
