Daewoo ST Series Betriebsanleitung Seite 69

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2) Valve guide
Install the valve into the valve guide
and measure the clearance between
them by valve movement. If the
clearance is excessive, measure the
valve and replace either the valve or
the valve guide, whichever worn more.
<Valve stem end play>
Install the valve into the cylinder head valve guide, then check and see if it is centered with
the valve seat using a special tool.
3) Valve seat
Contacting face amount
Measure the contacting face between
the intake valve seat and exhaust valve
seat for valve seat wear, and replace if
the measured value exceeds the
specified limit.
Install the valve into the valve seat on
the cylinder head, and check the
amount of depression of the valve
from the lower portion of the cylinder
head using a dial gauge.
Valve Depression
If the amount of depression is beyond the specified limit, replace the valve seat.
- 66 -
Measuring
position
EA0M4052
EA0M4046
Depression
Standard Limit
Intake valve 0.030 ~ 0.065 mm 0.15 mm
Exhaust valve 0.045 ~ 0.080 mm 0.15 mm
Standard Limit
Intake &Exhaust 0~0.3 mm 0.55 mm
EDM2032P
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