be0310b100002c

Test specifications for pistons

Type be · topic 03.10 · version 0100 · 2016-02-12

Applies to:

Where it sits

Function group 1 Engine › 03 Crank assembly › 03.10 Connecting rods, pistons

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.40 Connecting rod/piston

Also applies to engines/gearboxes: 475 9**, 476 9**

BE03.10-B-1000-02C

Test specifications for pistons

Test specifications for pistons

Número

Denominação

Engine 475.9, 476.9

BE03.10-B-1001-02C

Piston pin housing diameter

New

mm

46.03 ...46.09

Limit for reuse

mm

46.020

BE03.10-B-1002-02C

Measurement (B)

mm

108.9...109.2

BE03.10-B-1003-02C

Piston pin diameter

New

mm

45.995...46.000

Limit for reuse

mm

45.990

BE03.10-B-1004-02C

Piston pin length

mm

104.7...105.0

BE03.10-B-1005-02C

Radial play between the pin and the piston

New

mm

0.003...0.014

Wear limit

mm

0,030

BE03.10-B-1006-02C

Distance between the piston upper face in the PMS above the block surface

mm

0.07...0.43

BE03.10-B-1007-02C

Piston segment rings

Trapezoid ring ( I ) thickness

Nominal value

mm

2.808...2.833

Compression ring ( II ) thickness

mm

2.975...2.990

Oil baffle ( III ) thickness

mm

3.975...3.990

Play in the compression ring ( II ) groove

mm

0.060...0.095

Play in the oil baffle ( III ) groove

mm

0.030...0.065

Play between the trapezoid ring ( I ) ends

New

mm

0.35...0.50

Wear limit

mm

1.0

Play between the compression ring ( II ) ends

New

mm

0.35...0.50

Wear limit

mm

1.0

Play between the oil baffle ( III ) ends

New

mm

0.25...0.40

Wear limit

mm

0.8