Doosan DV11 - Page 216

DV11
Operation and Maintenance
211
Appendix
Printed in Mar. 2005 PS-MMA0608-E1A
Group Part Inspection item
Stand value
for assembly
Limit
for use
Correction Remark
Clearance between
rocker arm shaft &
rocker arm bush
0.031~0.073 0.14
Replace bush
or shaft
Run-out of push rod 0.3 0.5
Replace or
correct
Tappet assembly part’s
inner diameter of
cylinder head
φ20.000~φ20.021
-
Diameter of tappet
φ19.944~φ19.965
-
Replace
tappet
Clearance between
tappet & tappet hole of
cylinder block
0.035~0.077 0.13
Replace
tappet
Tappet
Tappet face in contact
with cam
- -
Replace
if severely worn
or deformed
Oil pressure (kg/cm
2
)
(at rated speed)
3.0~5.5 -
Check oil
leakage
and clearance
between each
part
Oil pressure (kg/cm
2
)
(at idle speed)
1.0~3.0
0.8 or
more
Use
recommended
oil
Oil temperature (°C)
110 or less -
Permissible
oil temperature
in short time (°C)
Max. 120 -
Must not exceed
this value
By-pass valve for filter
element (kg/cm
2
)
1.8 ~ 2.4 -
Operating
pressure
1.6 ~1.9
Closing
pressure
1.3 ~1.6
Engine
oil
Oil spray
nozzle
Nozzle
diameter
φ2
Replace valve
Delivery volume lit/min
- Pump speed : 2,440rpm
- Oil temperature : 50°C
175 or more -
Replace
gear or cover
Gear assembly part’s
depth of oil pump
housing
43.000~43.039
-
Width of oil pump gear
42.910~42.950
-
Clearance of oil pump
at axial direction
0.050~0.128 -
Oil pump pressure
control valve (kg/cm
2
)
8.5 ~ 10 - Replace valve
Oil pressure control
valve (kg/cm
2
)
1.9 ~ 2.1 - Replace valve
Clearance between
drive gear shaft and
cover hole
0.032~0.077 -
Clearance between
drive gear shaft and
cover hole
0.040~0.094 -
Replace bush
or cover
Diameter of gear shaft
φ16.950~φ16.968
-
Replace
gear shaft
Lubricating
system
Oil
pump
Diameter of
driving gear bush
φ28.000~φ28.033
-
Replace
bush or cover