Mazda LF Wartungshandbuch PDF herunterladen (Seite 32)

ENGINE

B–15

VALVE SEAT INSPECTION/REPAIR

A6E242410102E01

1. Measure the seat contact width.

• If necessary, resurface the valve seat using a

45° valve seat cutter and/or resurface the

valve face.

Standard width:

1.2—1.6 mm {0.048—0.062 in}

2. Verify that the valve seating position is at the

center of the valve face.

(1) If the seating position is too out side, correct

the valve seat using a 70°

°°

° (IN) or 65°

°°

° (EX)

cutter, and a 45°

°°

° cutter.

(2) If the seating position is too inner side, correct

the valve seat using a 30°

°°

° (IN) cutter, and a

0°

°°

° (EX) cutter, and a 45°

°°

° cutter.

3. Inspect the sinking of the valve seat. Measure the

protruding length (dimension L) of the valve stem.

• If not specified, replace the cylinder head.

Standard dimension L:

IN: 40.64—42.24 mm {1.600—1.662 in}

EX: 40.50—42.10 mm {1.595—1.657 in}

End Of Sie

VALVE SPRING INSPECTION

A6E242412125E01

1. Apply pressing force to the pressure spring and

inspect the spring height.

• If not as specified, replace the valve spring.

Pressing force:

494.9 N {50.47 kgf, 111.2 lbf}

Standard height:

27.80 mm {1.094 in}

AME2224E316

AME2224E020

AME2224E079

AME2224E308

1731-1E-02C.book 15 ページ２００２年４月２６日金曜日午前１０時３０分

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 69 70

Kommentare zu diesen Handbüchern

Keine Kommentare

Mazda LF Wartungshandbuch Seite 32

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Motor Mazda LF