Mazda LF Spécifications télécharger pdf (Page 26)

MECHANICAL

01–10–12

End Of Sie

VALVE, VALVE GUIDE INSPECTION

E5U011012111E01

1. Measure the valve head margin thickness of each

valve.

• If it is less than the specification, replace the

valve.

Valve head margin thickness (Minimum)

IN: 1.62 mm {0.0637 in}

EX: 1.82 mm {0.0716 in}

2. Measure the length of each valve. Replace the

valve if necessary.

• If it is less than the specification, replace the

valve.

Valve length (Standard)

IN: 102.99—103.79 mm {4.055—4.086 in}

EX: 104.25—105.05 mm {4.105—4.135 in}

Valve length (Minimum)

IN: 102.99 mm {4.055 in}

EX: 104.25 mm {4.104 in}

3. Measure the stem diameter of each valve in X

and Y directions at the three points (A, B, and C)

as indicated in the figure.

• If it exceeds the specification, replace the

valve.

Valve stem diameter (Standard)

IN: 5.470—5.485 mm {0.2154—0.2159 in}

EX: 5.465—5.480 mm {0.2152—0.2157 in}

Valve stem diameter (Minimum)

IN: 5.440 mm {0.2142 in}

EX: 5.435 mm {0.2140 in}

4. Measure the inner diameter of each valve guide in

X and Y directions at the three points (A, B, and

C) as indicated in the figure.

• If not as specified, replace the valve guide.

Valve guide inner diameter (Standard)

5.509—5.539 mm {0.2169—0.2180 in}

MARGIN THICKNESS

IN : 33.5 mm {1.31 in}

EX : 28.3 mm {1.14 in}

C3U0110E051

B3E0110E068

ADJ2224E024

ADJ2224E026

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Mazda LF Spécifications Page 26

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