Daewoo DE12T Manual page 184

Group Part
Outside diameter
of intake valve stem
Outside diameter
of exhaust valve stem
Clearance
between valve
stem and
valve guide
Thickness
of valve
Perm. radial
run-out between
valve stem &
valve head
Clearance between valve
guide & cyl. head
installing hole
Clearance
between valve
guide & vavle
spring seat
Valve
Intake
valve
Valve
spring
system
Exhaust
spring
Valve
clearance
(at cold)
Contacting face fo valve
stem & rocker arm
Clearance between
rocker arm shaft &
rocker arm bush
APPENDIX
Inspection Item
for assembly for use
Intake 0.030 ~ 0.065
Exhaust 0.045 ~ 0.080
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
Free length
Spring tension
(set length :
37 mm) kg
Straightness
(against free
length)
Free length
Spring
I
tension
n
n (set length :
e
34 mm) kg
r
Straightness
(against free
length)
Free length
Spring
O
tension
u
(set length :
t
e
37 mm) kg
r
Straightness
(against free
length)
Intake
Exhaust
0.020 ~ 0.093
Stand value Limit
N
10.950 ~
N
10.87
N
10.970
N
10.935 ~
N 10.84
N
10.955
0.15
0.18
1.5 1 or more
1.5 0.9 or more
0.03 0.2
0.03 0.25
0.01 ~ 0.39 -
22 -
22 -
75.5 72
*85.9 *82.5
61.8 ~ 68.3 61.8
*74.4 ~ 82.4 *74.4
1.0
2.0
*1.5
65 61.75
*76.4 *72
36.1 ~ 39.9 36.1
*45.1 ~ 50.1 *45.1
1.0
2.0
*1.5
75.5 72
*85.9 *82.5
61.8 ~ 68.3 61.8
*74.4 ~ 82.4 *74.4
1.0
2.0
*1.7
0.3 -
0.3 -
- -
2.0
- 180 -
Correction
Replace valve guide
Replace valve &
together when
guide
replacing valve
Replace valve &
guide
Replace
Replace
Replace
Apply oil to valve
guide & press in
Replace
valve spring
* Mark DE12TIS
Replace
valve spring
Adjust
Correct or replace if
severely pitted on
tip of arm and stem
Replace bush
or shaft
(unit : mm)
Remark