Mazda LF Wartungshandbuch PDF herunterladen (Seite 39)

B–22

ENGINE

End Of Sie

CONNECTING ROD INSPECTION

A6E242411211E01

Caution

•

••

• The piston, piston ring and connecting rod cannot be disassembled.

•

••

• When replacing the piston, piston pin, piston ring and connecting rod, replace them together as a

single unit.

1. Install the connecting rod cap. (See B–31 Connecting Rod Cap Assembly Note.)

2. Measure the connecting rod large end side

clearance.

• If the connecting rod large end side clearance

exceeds the maximum clearance, replace the

piston, piston pin, piston ring and connecting

rod as a single unit.

Standard clearance:

0.14—0.36 mm {0.0056—0.0141 in}

Maximum clearance:

0.435 mm {0.0172 in}

3. Remove the connecting rod cap.

4. Position plastigage atop the journals in the axial direction.

5. Install the connecting rod bearing and connecting rod cap. (See B–31 Connecting Rod Cap Assembly Note.)

6. Remove the connecting rod cap.

7. Measure the connecting rod oil clearance.

• If not as specified, replace the connecting rod

bearing or grind the crank pin and use

oversize bearings so that the specified

clearance is obtained.

Standard clearance:

0.026—0.052 mm {0.0011—0.0020 in}

Maximum clearance:

0.1 mm {0.0039 in}

mm {in}

End Of Sie

BOLT INSPECTION

A6E242410135E01

1. Measure the length of each bolt.

• Replace any that exceeds maximum length.

Bearing size Color Bearing thickness

Standard Green

1.496—1.502

{0.0589—0.0591}

0.50 {0.02}

oversize

1.748—1.754 {0.0688—0.0690}

0.25 {0.01}

oversize

1.623—1.629 {0.0639—0.0641}

AME2224E059

AME2224E310

AME2224E050

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