Doosan GL08K - Oil Pressure Specifications; Oil Temperature Specifications; Oil Pump Specifications; Valve Opening Pressure Specifications

Appendix
- 185 -
(unit : mm)
Group Part Inspection Item
Stand value
for assembly
Limit
for use
Correction Remark
Lubric
ating
system
Oil
pressure
Oil pressure (at
normal speed) kg/cm
2
4.8 or less 3.5
Check oil
leakage and
clearance
between
each part
Oil pressure (idling) kg/cm
2
0.8 ~ 1.4 0.6
Use
recommended
oil
Oil
tempe
rature
Max. permissible oil
temperature C
– 105
Temperature
above this not
allowable
Permissible oil temperature
in short time C
– 120
Oil
pump
Axial play of oil pump gear 0.055 ~ 0.105 –
Replace gear
or cover
Clearance between gear shaft
& oil pump over hole
0.032 ~ 0.077 –
Clearance between drive gear
bushing & cover hole
0.040 ~ 0.094 –
Replace
bush or cover
Diameter of gear shaft
16.950 ~
16.968
–
Replace gear
shaft
17e7
Diameter of driving
gear bush
28.000 ~
28.033
–
Replace
bush
28e7
Backlash
Between crank
gear & idle gear
0.15 ~ 0.25 0.8
Adjust
backlash
Between oil pump
drive gear & idle gear
0.15 ~ 0.25 0.8
Valve
opening
pressure
Oil pressure control valve (kg/cm
2
) 4.3 ~ 4.7 –
Replace
valve
By-pass valve for filter
element (kg/cm
2
)
1.8 ~ 2.3 –
By-pass valve for full
oil filter (kg/cm
2
)
4.0 ~ 4.8 –
Relief valve for oil pump (kg/cm
2
) 8.5 ~ 11.5 –
Replace
valve
Spray nozzle control
valve (kg/cm
2
)
1.5 ~ 1.8 –
Oil
filter
Damage of oil filter cartridge
– –
Clean or
replace