Doosan AD158TI, Operation & Maintenance Manual

Page: 186 / 294

Appendix - 180 -
Item
Compo-
nent
Inspection item Specifications
Allow-
able
Limit
Repair Remarks
Lubrica-
tion
system
Oil pump
Axial clearance of oil pump
gear
0.055 ~ 0.105 -
Replace the
gear or cover
Clearance between gear
shaft and oil pump cover
hole
0.032 ~ 0.077 -
Clearance between drive
gear bushing O.D. and
drive hole
0.040 ~ 0.094 -
Replace the
bushing or
cover
Gear shaft O.D.
ø
16.950 ~
ø
16.968
ø
Replace the
gear shaft
ø17e7
Drive gear bushing O.D.
(kg/cm
2 )
ø
28.000 ~
ø
28.033
ø
Replace the
bushing
ø28e7
Valve
opening
pressure
Oil pressure adjustment
valve
4.0 ~ 4.8 0.8
Replace the
valve Bypass valve for oil filter
element (kg/cm
2
)
1.8 ~ 2.3 0.8
Bypass valve for full-flow
oil filter (kg/cm
2
)
4.0 ~ 4.8
Relief valve for the oil
pump (kg/cm
2 )
8.5 ~ 11.5
Replace the
valve
Adjustment valve for the
spray nozzle (kg/cm
2 )
1.5 ~ 1.8
Oil filter Damaged oil filter cartridge
Clean and
replace