Yangdong Co. Y90 Series Spezifikationen PDF herunterladen (Seite 24)

.Afier service for a

Check

the

valve

recoITunended adjusting

replacing

the

valve

seat

should

considered.

and

trequently.T'hc

period

lashes

long

regrinding many times.

the

sinkage

'\NiH

increase.

When

exceeds 2.0mm.,

,Fig.

V'alv~

sinkage

lnethod is shown on

paragraph I

Section 4,

the lashes are too largc.,it lnay affect the correctness

valve

tinting

and

the

noise level

o'f

valve device

dses.On

the

contrarY'tit rnay cause leakage

valve burnt out.

II.

Cylinder

BLock

l'he

cylinde,f block is lnade

cast iron and is

crankshaft centerline oft:.

split

face

structure. f3esides

the

fitting hores for

the

hncr

and the cylinder head

boltholes,on

the

top

plane

the block 'there are holes leading \vater to the cyiinder

h(~ad.N0ar

the fear end

the block

there' are channels delivering

Fig. 6 Prot.rueliog beig,bt

the Uner Dange plane

relative

the

plane

cyUnder block

T'he

"vater pump

lnounted

on the

upper

front face

!ube.

oil

upvvBrd

to the cylinder

head.

cylinder

block

.,and

the

gear

system

on the lower part.'fhe

tly\vhecJ housing

installed

the

rear face

the b!ock.()n the block

ho1tonl~therc

are

lube

oil inlet,a hole

tor

the

lube oii

plnnp

and

tap

holes

l()f

installing the sUlnp.There

are

a side cover and a hreather

the left side

the

block(facing

the front

end).l'here

are

the

lube

oil

filter'\fut~J

filter and

drain

(;ock

the

right

side

this

block

'fhe

ITtain

lube oil

lin~

and Its branl;hes are

arran~;ed

horizon,The

lube

oil passages

deliverin~~

lube oil to the camshaft bushes are slant.When dislnantling and repairIng

5-2

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