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ENGINE2.2LDICOR
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Install matching size valve guide in cylinder head
using drift (Part No.2868 5890 06 05) and spacer
(Part No. 2653 5890 06 01). (Fig. 64)
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Fit Valve guide oil seals
Fig. 64
Valve Seat
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Check valve seat height with respect to cylinder
head mating surface. Replace valve seat inserts if
they are worn out beyond specified limit.
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Cut exhaust and inlet valve seats with a general
45 deg. cutter. (Fig. 65)
Fig. 65
NOTE
VALVESEATMUSTBEABSOLUTELYFAULTLESSAND
WITHOUTANYCHATTERMARKS
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If necessary lap the valve seats to a smooth and
even finish by using suitable hand pump grinder
or a lapping paste and valve itself.
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Smear valve seat with carbon blue. Install valve in
guide and turn it slowly under axial pressure.
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CONTACTLINEONVALVESEATMUSTBEAROUND
ENTIRECIRCUMFERENCEATEQUALWIDTH
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Distance between narrow diameter of valve face
to contact line should be minimum 0.5 mm.
(Fig.66)
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Check for leakages through valve seat by pouring
gasoline on valve head. Gasoline must not seep
past valve seat.
Fig. 66