2.1
Perform
the
items
on
the
"working
day maintenance-'
2.2
Clean
the
oil filter
element
with
clear fuel. Clean
the
centrifugal oil filter once on
two - maintenance period.
2.3
Clean
the
dust
on
the
air
filter
element
and
inside
the
dust
deposit
set. Replace
the
oil inside
the
oilbath type air filter.
2.4
Check and adjust
the
tension
of
the
fan belt.
2. 5 Fill
the
lubricating grease into
the
weater
pump
bearing.
2. 6 Check all parts
of
the
engine,
to
do
the
necessary adjustment
if
need.
2.7
when
the
maintenance is finished
,start
the
engine and
test
it's
working
appear-
ance,eliminate
the
trouble and abnormal appearance.
3. Second grade technique maintenance
3.1 Perform
the
items
on the
"first
grade technique maintenance"
3. 2 Replace
the
oil,
clean
the
oil
sump
and
the
oil strainer.
3. 3 Clean
the
oil
filter,
replace
the
element.
3.4
Replace
the
oil in
the
air compressor.
3.5
Clean
the
fuel
tank,oil
delivery pump screen and pipe.
clean
the
fuel filter element
with
clear fuel.
3.
6
If
the engine is supercharged typet then clean the cave
and
propeller impeller
of
the
turbocharger air pump,and also
test
the moving and fasten parts.
3.7
Blow
off
the
dust
inside
the
dynamo
with
wompressed
air. Check all partstelimi-
nate and abnormal parts.
3.8
Check and adjust
the
valve gap.
3. 9 Check
the
injecting open pressure and
it's
spray quality
of
the
injectort
if
needt
to
adjust it.
3.
10
Fill
the
lubricating grease
to
the
filling boles
of
the
clutch,
test
the
gap
between
the
releasing lever and
the
releasing bearing.
3.
11
Check and adjust
the
contack
working
gap and iron core gap every
two
mainte-
nance period
4_
Third
grado
teohnique
maintenance
4.1
Perform
the
full
items
on the
"second
grade technique
maintenance".
4. 2 Clean
the
cooling
system,
wipe
off
the
scale.
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