Doosan DV11 - Page 214

DV11
Operation and Maintenance
209
Appendix
Printed in Mar. 2005 PS-MMA0608-E1A
Group Part Inspection item
Stand value
for assembly
Limit
for use
Correction Remark
Torque value of
connecting rod bearing
cap bolt (kg.m)
10kg.m + 90
o
-
Coat the bolt
with engine oil
Clean out foreign
objects on joining
surface
Inne
r
diameter
of thrust
bush
φ70.07~φ70.09
-
Diameter(bea
ring) of cam
shaft side of
cylinder block
Inne
r
diameter
of cam
bush
φ70.00~φ70.03
φ70.06
Diameter of cam shaft
journal
φ69.910~φ69.940
φ69.64
Clearance between
cam shaft and cam
bush
0.060~0.120 0.18
Replace cam
bush
End play of camshaft 0.10~0.55 0.6
Replace thrust
washer
Cam
shaft
Run-out of camshaft
0.05 0.1
Correct or
replace the
cam shaft
Clearance between idle
gear shaft bush and
idle gear shaft
0.025~0.066 0.15
Timing
gear
End play of idle gear
shaft
0.107~0.183 0.3
Correct or
replace gear
Ring gear assembly
part’s outer diameter
φ432.490~φ432.645
-
Ring gear
inner diameter
φ432.000~φ432.155
-
Overlap 0.335~0645 -
Heating
temperature at
ring gear
assembly
(200~230
o
C)
Allowable shaking
amount after assembly
0.5 -
Fly
wheel
Outer diameter after
assembly wear ring
φ119.860~φ120.000
-
Outer diameter of
intake valve stem
φ7.963~φ7.977 φ7.94
Outer diameter of
exhaust valve stem
φ7.950~φ7.964 φ7.93
Intake 0.023~0.052 0.1
Clearance
between
valve stem
and valve
guide
Exhaust
0.036~0.065 0.15
Intake 30˚ - Degree of
valve seat
Exhaust
45˚ -
Intake
φ42.9~φ43.1
-
Diameter of
valve head
Exhaust
φ39.9~φ40.1
-
Intake 3.0~3.4 Thickness of
valve head
Exhaust
3.3~3.7
2.5 or less
Replace
valve
W
hen replacing
v
alve guide & seat,
w
ork simultaneousl
y
by special tools
Intake 14.8~15.2 -
Valve
system
Valve
and
valve
guide
Projection
amount of
valve guide
and valve
spring seat
Exhaust
14.8~15.2 -
Use with
assembly jig
To upper side of
valve guide from
spring seat side of
cylinder head