Mitsubishi 4DQ50 - Page 65

Regular checkup and Service Table for Model 4DQ50 Engine
(Consult "Lubrication Table. too.)
Checkup &. Service Intervals
Remarks
Units & Parts
Description
Daily
60Hr
120Hr
250Hr
500Hr
lOOOHr
Clean
pre-cleaner
("'\
Air cleaner
'-'
(oif bath
Disassemble and clean
n
0
type)
element
,~
Air cleaner
Clean case and element
0
E
(filter paper
0
.i2
type)
Replace element
.,
>-
Of)
0.25mm in cold
~
<
Valve clearance check and adjust
*
0
engine, both for
inlet
and exhaust
valves 0
Compression pressure measure
0
0
At the same time to
Replace element
0
change oil or when
bypass alarm lamp
E
Oil filter
got alight
$
Wash
inside of case
*
("'\
.,
'-' >-
Of)
5
Oil pan
Wash inside and strainer
C
Drain off water and
0
Fuel filter
sediment
Replace element
0
Fuel feed
Clean inlet joint strainer
0
pump
E
Check injection pressure
*
C
120 ±Skg/cm' 0
$
Injection
and spray
.,
nozzles
>-
Of)
a;
Remove carbon from
*
0
:>
nozzle seat packings
...
Check fuel level and
0
refill
Fuel tank
Drain off water and
0
sediment
Wash inside
0
Check water level
0
E
Change water Wash
Before and after
$
Radiator
inside
0
the use of antifreeze
..
>-
Of)
...
Clean cooling fins
0
. S
"5
0
Co>
Fan belt
Check tension and adjust
0
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