Westerbeke 20B TWO/30B THREE Manual de Serviço descarregar pdf (Página 20)

Piston

(continued)

Oversize

Protrusion from cylinder block

top

surface

Piston

Pin

Type

0.0.

Piston pin

to

piston clearance

Piston pin

to

connecting rod clearance

Piston

Rings

Number

of

rings

Compression

(2)

Oil

(1)

Ring width

Compression

(No.2)

Oil

Ring side clearance

Compression No. 1

No.2

Oil ring

Ring gap

Westerbeke

Engines

Specified Value/Standard

0.01, 0.02, 0.03

(0.25, 0.50, 0.75

mm)

0.035

(0.9 mm)

Semi-floating type

0.709

(18 mm)

Press-fit

load: 2204.6 ±1102.3Ibs.

(1000

±500

kg)

RepairUmit

0.003 (Service limit)

(0.08

mm)

No.1:

Chrome plated, semi-keystone type

No.2:

Tapered

Chrome

plated ring with coil expander

18

0.079

(2mm)

0.118

(3mm)

0.002 - 0.004

(0.05

- 0.09 mm)

0.001

- 0.003

(0.03 - 0.07 mm)

0.006 - 0.016

(0.15

- 0.40 mm)

0.008

(0.2

mm)

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 98 99

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