Doosan DL06 - Page 210

DL06K Interim Tire-4 Diesel Engine Appendix
208
Group Part Inspection item
Stand value
for assembly
Limit
for use
Correction Remark
Fan belt depression
Refer to adjust
table
-
Adjust
Cooling
water
temp
Operating temperature
(permissible temp.) (°C)
82 ~ 95 -
Must not
exceed this
value
Permissible temperature
in a short time (°C)
- 105
Thermo
stat
Thermostat opening
temperature °C (under
atmospheric pressure)
82 -
Replace
Full opening temperature
(°C)
95 -
Replace if
defective
Stroke :
min. 10mm
Fuel
system
Fuel high pressure pump maker
(CP pump)
Bosch -
Common rail maker
Fuel injector maker
Piping
&
others
Fuel pipe, injection pipe
& nozzle holder for
damage, cracks,
improper O-ring
- -
Replace
Fuel filter cartridge for
damage
- -
Replace
cartridge
Injection pressure of injector
(kg/cm
2
)
Max 1,600 -
Operating pressure of overflow
valve (kg/cm
2
)
10.5 ~13 -
Replace valve
Diameter of injector nozzle
8 - φ0.136
Projection height of nozzle from
the cylinder head surface(mm)
3.0 -
Use sealing by
option
Air compressor
cylinder
Inner
diameter
Grade B
φ90.000~
φ90.010
-
Replace same
grade
Grade C
φ90.010~
φ90.020
-
Grade D
φ90.020~
φ90.030
-
Diameter
of piston
Grade B
φ89.910~
φ89.920
-
Replace same
grade
Grade C
φ89.920~
φ89.930
-
Grade D
φ89.930~
φ89.940
-
Piston ring
gap
#1, #2 ring
0.2 ~ 0.45 -
#2, #4 ring
0.2 ~ 0.4
Drive
system
Gear
back
lash
Cam shaft gear & idle gear
0.074 ~ 0.163 -
Fuel high pressure pump
gear & idle gear
0.103 ~ 0.182 -
Crankshaft gear & oil
pump driving gear
0.073 ~ 0.239 -
Air compressor (PTO)
gear & cam gear
0.074 ~ 0.163 -