4.
3··
Clean the oil
cooler~
4. 4 Replace the air filter element and fuel filter element.
4.5
Dismantle
and
check
the
cylinder
head.
Test
the
valve seal,
wipe
off the
carbon
deposit,burnish
the
valve according- the conditions.
4.6
Check
the
fasten situation
of
the
cylinder head
bolt,main
bearing
bolt,connect-
ing rod bolt. For the bolts which tightening torque is insufficient,then tighten
it
to
the
set point value.
4.
7 Check
the
water
pump,
replace
the
lubricating grease,
if
necessa'ry, replace the
water
seal.
4.8
Check
the
dynamo,starting
motor
,clean,
repair and fill
new
lubricationg grease.
4.9
Check the injection
pump,
adjust the fuel lead angle, and adjust
the
injection
pump according
the
conditions.
4.10
Test
the
air compressor,burnish
the
valve according
the
situation
,and
clean
the
carbon deposit.
4.
11
Check the clutch t clean
the
inside dust deposit,oil
dirt,
and replace
the
lubrica-
ting grease.
4.
12
Check
the
turbocharger, clean the parts,
wipe
off
the cabon deposit,and
test
the rotor freedom allowance.
5. Technique maintenance on
winter
using
If
the
temperature maybe
lower
thanSer:,the engine
must
be
maintained specially.
~.
1
Must
use
the
winter
used
oil
and
fuel,
note
the
damp
in
the
fuel so as
to
protect
the fuel passage
from
being jammed.
5. 2
It's
better
to
fill the antifreeze fluid
to
the cooling
system,
or
must
drain off
the
cooling
water
after its lemperature is
lower
than 40 -
50OC.
5. 3 On the cold dseason
or
area,
it's
better
to
prevent
the
diesel engine( or vehicle
from
being deposit in
the
open air,
or
wh~n
starting,
it's
need
to
heat
the
cooling
water to· preheat the engine body.
CHAPTER V Troubleshooting
1. Start failures
Touble cause and its feature
1. 1
Troubles
in
fuel
system
( 1) Jammed in the fuel s
Remedy
1.1
( 1) Dismantle and clean
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