on
RUNNING-IN (50 hours)
_After starting,
slowlywarm
up
the
engine
when
running,
without
reaching full
throttle.
_
00
not run engine
for
a
long
period
at
tuli throttle.
• Check
oillevel
frequently.
The following operation are
needed
after running-in:
-
Eng
ine
oil
change
~
Cartridge oil fi!ter
replacements
BEFORE STARTING
When
the
engine
has
been
out
of
action
for
long
periods:
- check
the
level
of
the
lubricants
• bleed
the
air
from
the tuel circuit.
Only
for
supercharaed engines:
-keeping
the
accelerator lever
at
minimum
tum
engine
bymeans
of
starter
me-
torfor
apprax. 20-30 secs. This
is
necessary to ensure
iostant
lubrication of
the
intemal gear
of
the
turbocharger
on engine starting.
Eva[\{
day:
- check
the
leve!
of
the tue!,
engine
oil
and
fresh cooling
water
- check
to
ensure
thatthe
air filter on
the
intake
pipe
is
not
clogged.
17
PRECAUTION
IN
THE USE OF TURBOCHARGED ENGINES
The
turboeharger
is an integral
part
of
the
engine.
Very
often faults are attribuited
ta
the
turbocharger
when
the
real
trouble
!ies
with the
engine
Dr
with
one
af
the
flttings.
Ta avold pointless
downtimes
and
ta
extend
turbocharger life
and
efficiency,
some
basicaHy
important
instructions are given below.
1- Possible causes
af
turbocharger
trouble
are essentiaHythree:
a)
Laek
af
lubricant: causes bearing failure with
consequent
seizure
af
rotary
components.
b)
introduction
offoreign
matter:
poor
setvicing
of
air cleaner will involve
the
in-
troduction
of
solid particles
which
will
damage
the
compressor-impeller bla·
des:
fragments
would
then
be
carried
to
the
cytinders.
c)
Lubricant
contamination:
this causes scoring
of
journalsand
bearings,
clogs
oil passages, wears the seals, with
consequent
leakages
and
seizures.
Important:
It
istherefore
recommended
thatyou
take
utmast
care in cleaning
the
air c1eaner and air
ductings:
also, renew engine oil
supply
and
filters
at
the
specified setvicing intetvals.
2-
Turbocharger
construction
simplicity
is
only
apparent:
in
faet
many
af
its
parts are
maehined
to
1/1000mm
tolerances.1t is therefore
reeommended
that
you
entrust
any
setvicing
to
skiUed personnel having availability
of
special
equipment
provided
by
the
setvice network.
3- Preventive
maintenance
will extend
the
life
and
efficiency
af
the turbocher-
ge3.
Should
you notibe los3
of
lubricant, vibrations
ar
abnormal
noises, stop
engine
immediately.
Timelyservicing
will avoid
costly
and
unexpected
repairs,
4-
Turbocharged
engines
impose
simple
though essential precautlons durlng
engine
starts
and
shutdowns.
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