Daewoo D1146 Maintenance Manual page 142

Group Part Inspection Item
Diameter of intake valve
stem
Diameter of
exhaust valve stem
Clearance
between valve
stem
and
guide
Thickness
of valve head
Clearance
between
valve
and
spring seat
Clearance between valve
guide and cyl. head
installing hole
Concentricity
valve stem and valve
head
Valve Intake
valve
spring
Valve
system
Exhaust
valve
spring
Valve
clearance
(at cold)
Joining surface of valve
stem and rocker arm
bush
Clearance between
rocker arm shaft &
rocker arm bush
Diameter of rocker arm
shaft for wear
Run-out of push rod
Stand value
for assembly
φ8.950~φ8.970
φ8.935~φ8.955
Intake 0.030~0.065
valve
Exhaust 0.045~0.080
Intake
Exhaust
Intake
guide
valve
Exhaust
-0.039~-0.010
(Press fit)
between
Approx. 64
Free length (mm)
Tension force
(when pressed 67~73
to 41mm)kg
Squareness
(along free
length direction)
Free length D1146/TI : 60
(mm) DE08TIS : 73.8
Tension
force(when
D1146/TI:26.9~30.3
pressed to DE08TIS : 36~40
Inner
38mm)kg
Squreness
(along free
length
direction)
D1146/TI : 71
Free length
DE08TIS : 77.7
Tension
force(when
D1146/TI:62.7~69.3
DE08TIS : 71~79
pressed to
Outer
41mm)kg
Squreness
(along free
length
direction)
Intake
Exhaust
0.040~0.113
φ23.939~φ23.96
Limit
for use
φ8.93
Replace
Valve & valve guide
φ8.91
0.15
Replace
valve or valve guide
0.15
2.7
Replace valve
Max. 1
2.2
2.0 -
2.0 -
0.05
-
66.5
Replace
valve spring
°
-
1.5
-
-
Replace
valve spring
°
-
1.5
-
-
Replace
valve spring
°
-
1.5
0.3 -
Adjust
0.3 -
Grind or replace if
severely pitted on
- -
tip of rocker arm
and stem
Replace bush
0.2
or shaft
φ23.75
Replace
- 0.3 Replace
138
D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
Correction Remark
When
valve, replace valve
guide alike
Replace
more
Spread oil over valve
guide and press it into
the hole
Without spring seat
Printed in Jan. 2001 PS-MMA0415-E1A
replacing
one worn