Doosan DL06 - Page 207

DL06K Interim Tire-4 Diesel Engine Appendix
205
Group Part Inspection item
Stand value
for assembly
Limit
for use
Correction Remark
Diameter of camshaft
journal
φ55.92~
φ55.95
φ55.65
Clearance between cam
shaft and cam bush
0.03 ~ 0.09 0.18
Replace cam
bush
End play of camshaft
0.280 ~ 0.430 0.5
Replace thrust
washer
Run-out of camshaft
0.05 0.15
Correct or
replace the
cam shaft
Timing
gear
Clearance between idle
shaft bush and idle shaft
0.025~0.066 0.1
End play of idle gear
shaft
0.107~0.183 0.3
Correct or
replace gear
Fly
wheel
Ring gear assembly
part’s outer diameter
φ361.5~
φ361.6
-
Heating
temperature at
ring gear assembly
(200~230
o
C)
Ring gear inner diameter
φ361~
φ361.2
-
Overlap
0.3 ~ 0.6 -
Heating temperature at
time of assembly (
o
C)
200 -
Allowable shaking
amount after assembly
0.5 -
Outer diameter after
reassembly wear ring
φ99.86 ~
φ100.0
-
Valve
system
Valve
and
valve
guide
Diameter of intake valve
stem
φ6.963~φ6.977 φ6.93
Replace Valve
& valve guide
When replacing
valve guide &
seat work
simultaneously by
special tools.
Diameter of exhaust
valve stem
φ6.950~φ6.964 φ6.91
Clearance
between
valve stem
and valve
guide
Intake
0.023~0.052 0.1
Exhaust
0.036~0.065 0.15
Degree of
valve seat
Intake
60˚ -
Exhaust
45˚ -
Diameter of
valve head
Intake
φ34.9~φ35.1 -
Exhaust
φ30.9~φ31.1 -
Thickness of
valve head
Intake
3.3~3.7
2.8 or
more
Exhaust
3.3~3.7
Projection
amount of
valve guide
and valve
spring seat
Intake
12.8 ~13.2 -
Use with
assembly jig
To upper side of
valve guide from
spring seat side
of cylinder head
Exhaust
12.8 ~13.2 -
Valve seat
assembly
part’s inner
diameter of
cylinder head
Intake
φ35.800~
φ35.825
-
Exhaust
φ32.000~
φ32.025
Outer
diameter of
valve seat
Intake
φ35.848~
φ35.864
-
Exhaust
φ32.048~
φ32.064
Valve seat assembly part’s
depth of cylinder head
7.9~8.1 -