Publicité
VIII
.
TBOUBLES
.
CAUSES
-
REMEDY
Trouble
complaln€d
Th.
most
outltsndlng
slgn
Probablo causs
Remedy
Ths engine
lails
to slan
Regulat compression
Presence
ol air wilhin
the iniaction
circuit.
Cloggad luel
cleanar.
lll
suited
luel.
Exceedingly viscous
oil.
Timing out
ot
phase.
Too
much low
room
lemparature,
Faulty
seal
in
lhe
nozzla.
The
governor lever is iammod.
Check
lhe
seal of
all leeding and in-
iector
pipes
and
connections, rc-
spectively.
Clean the
cartridge
and
r,place it
it
necessarY.,
Beplace
it.
Beplace
it
as specilied.
Chack
it.
Make
use
o, *Sterler..
Check
it.
Check
it.
fha
comprossion
rc
lailing or rcduced
Valves
do not lreely
slide
into
the
g
uidas.
Valves
lail
fo
c/ose.
Valves
lail to
saal.
Faulty seal between head
and
cylln-
dat.
Faulty
seal
ol
comprassion
rings.
Lubricate
the
s,ems
with
some
Die-
sel
oil
and
it
required
dlsassemblo
them
lor removing
ldk6s,
ll
any.
The
clearancas
must
be
adiustod.
Gdnd the
valves in.
Chack the
locklng
ol
nuts
and
the
condition
ol
mating
surlaces.
Chec4
lhe condition
ol
piston, pi-
ston rings, cylinder.
Aftet lh€ stail
the engine
'tops,
misllras, lails
in
picklng
up
revolutlons.
lrregular bursts
Fuel
level toa much
low.
The
tuel is
failing.
Presence
of
air in
lhe iniection cir-
cuit.
Water
in
the
tuel.
Pattly clogged luel
cleanel
Fiil
up
the
tank.
Check the
seal ot
all leeding
and
h-
iectot
pipe€
and
connectors,
ra-
spectivaly.
Cloan the tanq
and
cleaner and lhan
lill
with decantdd
fuel,
Clean the
carlridge
and
replaco it
lt
necessary..
Faulty
combustion.
Black
smoka
at
lhe
exheust.
Overload.
Clogged
air
tilteL
lniection unit
in
taulty
conditlons.
check lhe
coupllng
ratlon
betuysen
the engine and the
machlne,
Clean
according
lo
dlrectlons,
Chack the nozzle
and
pump,
Blue smoke
at
the
exfiaust-
fhe
engina
has
not yet sutliclently
run
in.
The
engine
has
been loaded
when
cold,
Oil
consumption through
lhe
valve
slams.
Oil consufiption
owing
to
a
wrong
lit
be'}reen plston and
cylinder-
Oon't
worry,
lollow
the running
in
rutes.
Reduce the
load and
wait
lot
a
lew
minutes.
.
Check the clearance
between the
stem
and
valve
guide,
as
well
as the
wear stato
ot
the
rubbar
littlngs.
Check
that
the
piston
rings
arc lrea.
Chack the piston
tor
weat,
aYlindar
and
piston
rlngs.
Make aure
lhat
the
oil
level ba not
exce€dingly
high.
The
angine
stops
suddanly.
ll
,s /mp'ossibl6 lo
tum
it
by
hand.
Piston seizure.
setzed oeatlng,
Remova
the
mesh
areas
and
smooth them with
an
Arkansas
sto-
na, Should the damdge apPeat
se-
vera,
rcplace
tho
piston and grind
lhe cylindet,
Belore
starting,
reqlace th€
bea-
rings:
mako
sure
ot
the
oll lsvel
lnto
the
crankcase,
Knocking
Highor rattle
than
usual.
The
iniection prcssure is
delectlve.
Faulty
seal
in
lhe
nozzle
n6edl6.
An exceading
cl€arance
in
th€
bus-
hing ol
connectlng
rod
end.
Tha
iniector needs
ta
b€ sal
at
t/ra
right
valua.
check
the nozzle
and
ll
neaessary
replace
it.
Gilnd
lhe
shalt
and
raplace
the
bush.
Mechanic
noisa
Exceeding clearance
in
valves
Set to the riEht
value.
Oll dropping
lrom
the
engino
Tha
troubla
is
appearing almosl
suddenly.
fhe
diaphragm or
tha
bteather
seat
loaaled
on
tha
rocket lnspection co-
ver
are
worn
or anyhow tail
to seal.
Remova
lham, check
and
rcPlace
them
il
required-
41
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