Yangdong Co. Y90 Series Especificações descarregar pdf (Página 11)

IV'

.•

~it

Clearance

and

Wear

{.limit

of

Main

Parts(see Table 3)

Table 3

Designation

I

I

Assenbly limit'

Wear

linlit

(mm) (mm)

Connecting

rod

journal

and

connecting rod bushing

2 Piston

pin

and

connecting

rod

small

end

bushing

3 Piston

skirt

and

cylinder liner

0.060-0.172

0.025-0.050

0.130-0.

195

0.25

0.10

0.40

...

_._-_

..

- .•

_._

..

-_

.•- --.._ .. _

'-"'-_-

..

_

~

-

.•

_.

__

•.

_-_

---

•....

-

--

.

__

•...

_

·1

_.

__

"'''

__

···_····

__

·•

~·.·

..

·-.·--------.---······-·I

4 Side clearance bet\veen

the

.~

st

ring and its groove

O.070-0~

102

0.20

5 Side clearance

bet~reen

the 2nd ring its groove

0.050-0.082

0.15

6 Side clearance

bet\veen the oil scraper

r~ng

and

its

groove 0.030-0.062 0.15

7 Gap

of

the

1

st

ring

0.300-0.450

_._.'--'

-'

..

-

"-'--"

.._

-_

_

_._._-

--.-

.,

_

..

+--.- ..

__

..

---.----

---

..-

..

-t

- -

.-

8

Gap

of

the

2nd

ring

and

oii

scraper

ring

9

Crankshaft

main

journal

and

main

bearing

0.300-0.450

0.070-0.149

0.25

••. '

••

_

••

• c

__

..

rCalTIstlan

....

journal

and

bushing

]1

Idle

gear

shaftjournal

~nd

bushing

0.025-0.

114

0.025--0.075

0.18

0.18

....

--

-

-_

__

-

"""'"

--

-

..

-

"'-'-'-'-_._._

--

~.,

..-

..

__

----

-

..

-.-

-

-_.-

..-

__

-.--+--

-

..

- -

,,----

-----+-.-

--

..

-

--

- -

'-1

12

Intake

valve

stem

and

valve guide

13

Exhaust valve

stem

and

valve guide

14

Rocker

arm

shaft

and

bushing

15

Axial

ClearcltlCe

of

crankshaft

0.025-0.077

0.040-0.092

0.016-0.061

0.075-0.265

0.15

0.15

0.20

..

-_

..

_-

..

_

-._"

-_._--

_

..

_ _

..

--.-

..•...

-

_.

__

._

-

...,

_--

_.

__

._---

_ _

.;-

_ -

--""'.'--"-"-'

._

..

16

l\xial

clearance

of

canlshaft

1-4

0.080-0.250

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 36 37

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