Doosan DV11 - Page 218

DV11
Operation and Maintenance
213
Appendix
Printed in Mar. 2005 PS-MMA0608-E1A
Group Part Inspection item
Stand value
for assembly
Limit
for use
Correction Remark
Projection height of nozzle from the
cylinder head surface(mm)
2.4 ~ 2.9 -
Replace
sealing
B grade
φ90.000~φ90.010
-
C grade
φ90.010~φ90.020
-
Inner
diameter of
cylinder
D grade
φ90.020~φ90.030
-
Replace
same grade
B grade
φ89.910~φ89.920
-
C grade
φ89.920~φ89.930
-
Diameter of
piston
D grade
φ89.930~φ89.940
-
Replace
same grade
#1, # 2
ring
2.51 ~ 2.53 -
Piston ring
groove
#3, #4
ring
4.02 ~ 4.04 -
Inner diameter of
piston pin
φ20.003~φ20.008
-
Diameter of piston pin
φ19.994~φ20.000
-
Inner diameter of
connecting rod small end
φ20.020~φ20.033
-
Inner diameter of
connecting rod big end
φ31.959~φ31.975
-
Include
connecting rod
bush and bearing
Diameter of
main bearing journal
φ29.959~φ29.980
-
Inner diameter of
main bearing
φ30.020~30.041
-
Projection amount of
piston
-0.75 ~ -0.2 -
Clearance between
piston and liner
0.080 ~ 0.100 -
A
ir
compresso
r
A
ir
compresso
r
Oil clearance of
connecting rod bearing
0.027 ~ 0.073 0.5
Between crank gear
& oil pump drive gear
0.10 ~ 0.45 0.3
Between crank gear
& cam shaft gear
0.118 ~ 0.242 0.3
Between drive gear &
fuel pump gear
(CP pump)
0.050 ~ 0.178 0.45
Drive
system
Gear
back
lash
Between air
compressor drive gear
and cam shaft gear
0.097 ~ 0.353 0.5
Adjust
back lash