Daewoo DE12T - Maintenance Specification Table

•
Maintenance specification table
(unit : mm)
- 178 -
APPENDIX
Group Part Inspection Item
Stand value Limit
Correction Remark
for assembly for use
Inside diameter of
Measure unworn
Cylinder liner for wear
N 123 ~ N 123.023 N123.223 Replace liner portion beneath the
rim of the upper side
Cylinder
Projected portion of liner 0.03 ~ 0.08
block & The upper surface of
Correct with a
Per distortion length
liner Cylinder block of 0.05 -
Engine distortion
surface grinder for 200 mm
body Hydraulic test for 1
4
minute (kg/cm
2
)
Valve seat Intake 0 ~ 0.3 0.55 In case of new valve
Cylinder depression Exhaust 0 ~ 0.3 0.55 and seat
head & Height 114.95 ~ 115 113.9 Replace cyl. head
valve Hydraulic test for 1
4 - Replace if leaky Water temp. 70˚C
minute (kg/cm
2
)
Piston diameter N 122.873 ~
-
(18 mm from the lower side) N 122.887
Clearance between
0.113~0.152 -
piston and liner -
Width of Top ring 3.5 - Replace piston if
Piston
piston ring 2nd ring 3.060 ~ 3.080 -
groove width is beyond
grooves Oil ring 4.040 ~ 4.060 - specified value
Piston projection from Measure unworn
cylinder block upper 0 ~ 0.12 -
portion beneath the
surface rim of the upper side
Permissible weight
±
15 g 96 g
Major difference of each piston
moving Top ring 0.30 ~ 0.45 1.5 Standard gauge
parts Piston ring 2nd ring 0.35 ~ 0.50 1.5 inside diameter :
gap
Oil ring
0.30 ~ 0.50
1.5
N
123
*0.30 ~ 0.70 *mark DE12TIS
Piston Piston ring Top ring - -
Replace ring or Limit for use if for
ring side 2nd ring 0.07 ~ 0.102 0.15
piston standard clearance
clearance Oil ring 0.05 ~ 0.085 0.15
Direction of ring gap - -
Install ring by
120˚C