Daewoo DE12T - Page 184

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