Maintenance Specification Table - Daewoo DE12T Manual

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Maintenance specification table

Group Part
Inside diameter of
Cylinder liner for wear
Cylinder Projected portion of liner
block & The upper surface of
liner Cylinder block of
Engine distortion
body Hydraulic test for 1
minute (kg/cm
Valve seat
Cylinder depression
head & Height
valve Hydraulic test for 1
minute (kg/cm
Piston diameter
(18 mm from the lower side)
Clearance between
piston and liner
Width of
piston ring
Piston
grooves
Piston projection from
cylinder block upper
surface
Permissible weight
Major difference of each piston
moving
parts Piston ring
gap
Piston Piston ring
ring side
clearance
Direction of ring gap
APPENDIX
Inspection Item
for assembly for use
N
2 )
Intake
Exhaust
114.95 ~ 115
2 )
Top ring
2nd ring 3.060 ~ 3.080
Oil ring 4.040 ~ 4.060
Top ring
2nd ring
Oil ring
Top ring
2nd ring
Oil ring
Stand value Limit
N N
123 ~ 123.023 123.223
0.03 ~ 0.08
0.05 -
4
0 ~ 0.3 0.55
0 ~ 0.3 0.55
113.9
4 -
N
122.873 ~
-
N
122.887
0.113~0.152 -
-
3.5 -
-
-
0 ~ 0.12 -
± 15 g
96 g
0.30 ~ 0.45 1.5
0.35 ~ 0.50 1.5
0.30 ~ 0.50
1.5
*0.30 ~ 0.70
- -
0.07 ~ 0.102 0.15
0.05 ~ 0.085 0.15
- -
- 178 -
Correction
Measure unworn
Replace liner portion beneath the
rim of the upper side
Correct with a Per distortion length
surface grinder for 200 mm
In case of new valve
and seat
Replace cyl. head
Replace if leaky Water temp. 70˚C
Replace piston if
groove width is beyond
specified value
Measure unworn
portion beneath the
rim of the upper side
Standard gauge
inside diameter :
N 123
*mark DE12TIS
Replace ring or Limit for use if for
piston standard clearance
Install ring by
120˚C
(unit : mm)
Remark