Specifications
SECTION
6.
FAULTS
AND
REMEDIES
FOR
DIESEL
ENGINE
I
.Hard
or
refuse
to
Start
(see
Table
4)
Table 4
Causes
1
.Fuel
filters
and
fuel
pipelines
bolcked.
2.Air
trapped
in
fuel
system.
3.Advanced
fuel
injection
angle
incorrect.
~
4.Fuel
spray
abnormal.
5.-Conlpression
preessure
low.
6.Valve
lash
incorrect
7.Battery
charge
insuffcient.
8.Wire
connections
loosened.
9.Ambient
temperature
too
low,
and
oil
too
viscous
II
.Power
Insufficient(see Table
5)
Table
5
Causes
Remedies
J.Clean.
2.Exhaust
air
and
tighten
all
fuel
pipdline connector.
3.Readjust
it
according
to
specifications.
4.Readjust
fuel
injection
pressure
according
to
specifica-
tions
and
clean
or
replace
injector
needle
valve
sets.
5.Cheak
or
replace
piston
rings,and cylinder
liners.
Grind
valves.Cylnder
head
nuts
should
be
tightened
in
case
of
leakage
on
cylinder
head
gaskets.
6.Adjust
it
according
to
specifications
and
align
gear
marks.
7.Charge
it.
8.Check
and
tighten
wire
connections.
Clean
up
contact
points.
9.i
1
reheat
cooling
water
and
lube
oil.
Remedies
1.Compression pressure inside cylinddcrs too low.
2.Advanced
fuel injection angle incorrect.
3.Valve lash incorrect.
4.Fucl supply
for each cylinder unbalanced.
5.Ari filter
clo¥ed.
6.Fuel injection pumps. fuel i'1iector sets \vorn
ofl
or fuel injection pressure incorrect.
7.Rotation speed incorrect.
I.Refer to iteln 5 in paragarph
I
and
replace
components exceeding
\vear limit.
2.Adjust it according to specifications.
3
.A~just
it
according
to
specifications.
4.Adjust fuel injection pumps to proper supply.
5.Clean.
6.Replace thenl \vith new
sets~
adjust tilel injection
pressure
and
check
fuel
spray.
7.Adjust it \vith speed governing handle in order to reach
specified speed.
6-1










