WACKER Group LTC 4, Руководство по ремонту

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LTC Repair Lombardini Engine Troubleshooting
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75
5.14 General Engine Troubleshooting
Possible Cause Symptom
En
gi
ne
will n
o
t cra
n
k
En
gi
ne
do
es
n
o
t s
ta
rt
En
gi
ne
star
ts
, bu
t
s
to
p
s
P
o
o
r accele
ra
tion
U
n
stea
dy r
p
m
B
lack smoke
W
h
it
e sm
oke
B
lue smo
k
e
Lo
w oil
p
re
s
s
u
re
O
il leve
l risin
g
E
xcessive
oil con
s
ump
tion
W
e
t exh
aust
O
v
er
he
ati
n
g
En
gi
ne
kn
o
c
k
s
Low fuel level • • •
Fuel supply/return lines
clogged
• • • •
Clogged fuel tank vent • •
Fuel pump faulty • • •
Fuel contaminated with air • • • •
Unit injector(s) faulty/worn • • • • • • •
Unit injector settings incorrect • • • • • • •
Injection pump rack sticking • • •
Oil level too high • • • • • • •
Improper oil viscosity • • •
Oil diluted by fuel • • • • •
Oil pressure relief valve faulty •
Oil pick-up tube clogged •
Oil pump air contaminated at
pick-up tube
•
Glow plugs faulty • •
Glow plug controller faulty •
Glow plug relay inoperable •
Starter defective •