Daewoo D1146, Maintenance Manual

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D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
138
Printed in Jan. 2001 PS-MMA0415-E1A
Group Part Inspection Item
Stand value
for assembly
Limit
for use
Correction Remark
Diameter of intake valve
stem
φ
8.950~
φ
8.970
φ
8.93
Diameter of
exhaust valve stem
φ
8.935~
φ
8.955
φ
8.91
Replace
Valve & valve guide
When replacing
valve, replace valve
guide alike
Intake 0.030~0.065 0.15
Clearance
between valve
stem
and valve
guide
Exhaust 0.045~0.080 0.15
Replace
valve or valve guide Replace one worn
more
Intake 2.7 Thickness
of valve head
Exhaust 2.2
Max. 1
Replace valve
Intake 2.0 -
Clearance
between
valve guide
and valve
spring seat
Exhaust 2.0 -
Clearance between valve
guide and cyl. head
installing hole
-0.039~-0.010
(Press fit)
Spread oil over valve
guide and press it into
the hole
Concentricity between
valve stem and valve
head
0.05 Without spring seat
Free length (mm)
Approx. 64 -
Tension force
(when pressed
to 41mm)kg
67~73 66.5 Intake
valve
spring
Squareness
(along free
length direction)
1.5
°
-
Replace
valve spring
Free length
(mm) D1146/TI : 60
DE08TIS : 73.8
-
Tension
force(when
pressed to
38mm)kg
D1146/TI:26.9~30.3
DE08TIS : 36~40
-
Inner
Squreness
(along free
length
direction)
1.5
°
-
Replace
valve spring
Free length
D1146/TI : 71
DE08TIS : 77.7
-
Tension
force(when
pressed to
41mm)kg
D1146/TI:62.7~69.3
DE08TIS : 71~79
-
Valve
Exhaust
valve
spring
Outer
Squreness
(along free
length
direction)
1.5
°
-
Replace
valve spring
Intake 0.3 -
Valve
clearance
(at cold)
Exhaust 0.3 -
Adjust
Joining surface of valve
stem and rocker arm
bush
- -
Grind or replace if
severely pitted on
tip of rocker arm
and stem
Clearance between
rocker arm shaft &
rocker arm bush
0.040~0.113 0.2
Replace bush
or shaft
Diameter of rocker arm
shaft for wear
φ
23.939~
φ
23.96
φ
23.75 Replace
Valve
system
Run-out of push rod - 0.3 Replace