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MECHANICAL

01–10–11

01–10

Connecting Rod Cap Disassembly Note

1. Before removing connecting rod inspect the connecting rod side clearance. (See 01–10–20 CONNECTING

ROD INSPECTION.)

2. Remove the connecting rod bolt from the connecting rod cap by tapping the bolt with a plastic hammer.

Note

• The tappets are numbered to make sure they are assembled in their original positions. When removed,

keep the tappets with the cylinder head they were removed from. Do not mix the tappets.

Main Bearing Cap Disassembly Note

1. Before removing main bearing cap inspect the crankshaft end play. (See 01–10–19 CRANKSHAFT

INSPECTION.)

2. Loosen the main bearing cap bolts in two or three

steps in the order shown in the figure.

End Of Sie

CYLINDER HEAD INSPECTION

E5U011010100E01

1. Perform color contrast penetrate examination on the cylinder head surface.

• Replace the cylinder head if necessary.

2. Inspect for the following and repair or replace if necessary.

(1) Sunken valve seats

(2) Excessive camshaft oil clearance and end play

3. Measure the cylinder head for distortion in six

directions as shown in the figure.

• If it exceeds the maximum specification,

replace the cylinder head.

Cylinder head gasket contact surface

distortion (Maximum)

0.10 mm {0.004 in}

4. Measure the manifold contact surface distortion

as shown in the figure.

• If it exceeds the maximum specification, grind the surface or replace the cylinder head.

Manifold contact surfaces distortion (Maximum)

0.10 mm {0.004 in}

Manifold contact surfaces distortion (Maximum grinding)

0.15 mm {0.006 in}

B3E0110E067

B3E0110E008

C3U0110E003

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Mazda LF Spezifikationen Seite 25