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2
INJECTION
LUBRICA
TION
CIRCUIT
COOLING CIRCUIT
Damaged injector
Injection pump valve damaged
Injector not adjusted
Faulty fuel feeding pump
Hardened pump control rod
Broken or loose supplementary start-
up spring
Worn or damaged pumping element
Incorrect tuning of injection components
(delivery balancing advance)
Extra fuel control level sticking
Oil level too high
Oil level low
Oil pressure valve blocked or dirty
Oil pressure regulator not adjusted
Worm oil pump
Oil sump suction line clogged
Faulty pressure gauge or pressure switch
Blocked draining pipe
Worn or broken blower belt
Cooling circuit clogged
POSSIBLE CAUSE
In
ad
eq
ua
te
pe
rf
or
m
an
ce
High noise level
Overheats
TROUBLE
Engine
does
not start
Engine
starts
but stops
No acceleration
N
o
n
-u
n
if
o
rm
speed
Black smoke
White smoke
Too
low
oil
pressure
Excessive
oil
consumption
Technical information
KD Workshop Manual_cod. ED0053029350_
1° ed
_ rev.
00
Summary of Contents for KD 626/3
Page 1: ...KD 625 3 626 3 WORKSHOP MANUAL...
Page 21: ...21 3 KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...
Page 69: ...69 NOTES KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...
Page 70: ...70 NOTES KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...
Page 99: ...99 NOTES KD Workshop Manual_cod ED0053029350_1 ed_ rev 00...
