Daewoo KORANDO Service Manual page 435

1B3-134 OM600 ENGINE MECHANICAL
Machining Procedure
Valve machining is required :
- When the valve is leaking.
- When replacing the valve.
- When replacing the valve guide.
- When replacing the valve seat or valve seat ring.
1. Machine the valve seat (a=45°).
2. Measure valve seat width 'b'.
Intake
Valve seat
width 'b'
Exhaust
3. If the specification is exceeded, the valve seat width has to
be corrected at the lower free angle of '
4. Measure radial runout.
Runout
1.2 - 1.7 mm
1.5 - 2.0 mm
b '=65°.
Max. 0.03mm