Doosan DE08TS - Lubricating system; Thermostat

DE08TS Diesel Engines Appendix
(unit : mm)
102
Group Part Inspection Item
Stand value Limit
Correction Remark
for assembly for use
Clearance between idle
0.025~0.091 0.15
shaft bush and idle shaft
Major
Timing
End play of idle gear
0.043~0.167 0.3
Replace thrust
moving
gear
shaft collar
parts Back-lash between
Correct or replace
gears(cam, idle, crank
0.16~0.28 0.35
gear
and injection)
Diameter of intake valve
N
8.950~
N
8.970
N
8.93
When replacing
stem Replace valve &
valve, replace
Diameter of
N
8.935~
N
8.955
N
8.91
valve guide
valve guide alike
exhaust valve stem
Clearance
between valve
Intake 0.030~0.065 0.15
Replace valve or Replace one worn
stem and
Exhaust 0.045~0.080 0.15
valve guide more
valve guide
Thickness Intake 2.7
Max. 1 Replace valve
of valve head Exhaust 2.2
Clearance
between valve
Intake 2.0 -
guide and valve
Exhaust 2.0 -
spring seat
Clearance between valve
-0.039~-0.010
Spread oil over
guide and cyl. head
(Press fit)
valve guide and
installing hole press it into the hole
Concentricity between
valve stem and valve 0.05 Without spring seat
head
Valve
Free length(mm) Approx.64 -
system
Valve
Tension force
Intake (when pressed
67~73 66.5 Replace
valve to 41mm)kg
valve spring
spring
Squareness
(along free 1.5°
length direction)
Free length D1146/TI : 60
(mm) DE08TIS : 73.8
Tension
force(when
D1146/TI : 26.9~30.3
-
Replace
pressed to
DE08TIS : 36~40 valve spring
38mm)kg
Squreness
(along free
1.5°
Exhaust
length
valve direction)
spring
Free length
D1146/TI : 71
DE08TIS : 77.7
Tension
force(when
D1146/TI : 62.7~69.3
-
Replace
pressed to
DE08TIS : 71~79 valve spring
41mm)kg
Squreness
(along free
1.5° -
length
direction)
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