Service manual

TROUBLESHOOTING
Engine will not start
Engine lacks
power
E
~
Complaint
Possible cause
Insufficient fuel supply to
injection pump
Greater variance
of injec-
tion
quantity
Defective injection pump
seals
Insufficient injection
quantity
Excessive injection
quantity
Improper fuel spray from
injection nozzles
Excessive fuel
return from
injection nozzles
Engine turns
over but does
not start
o
o
o
o
o
o
o
~ Injection timing too
o
E
~
'"
>-
'"
c
o
.;:;
co
.!2
ii
::l
--l
advanced
Injection timing too
retarded
Defective governor
control spring
Maladjusted governor
damper spring
Engine speed too low
Failure
of engine to stop
properly
Poor grade of fuel oil
Fuel viscosity too high
Poor grade of oil
Oil viscosity too high
Oil viscosity too low
Low oil pressure
Excessive oil leakage
Pumping up of oil
Clogged oil filter
Defective oil indicator
switch or lamp
Insufficient air
Poor compression
o
Low pressure at high
atomospheric temperature
-
(or altitude)
o
o
o
o
o
- - 0
o
o
o
o
o
o
-110 -
o
o
o
o
o
o
o
Abnormal ex-
haust smoke
o
o
o
o
o
o o
o
o
o o
o
o
o
o
o
o
o
o
o
Engine
hunts
-,-
0-000
0-000
o
o
o
o o
- - - 0 0
o
0-- - -
--.:: -
o
0-000