Yangdong Co. Y90 Series Especificações descarregar pdf (Página 18)

,8~Check

whether

the

thermostat is in

~ood

.order.

Examine

·.the

.waterdropp.i~out

from a

weep

hole

the

-water pump.It is necessary to

renew

the

water

seal,if

tlowinll;out too

much

water.

9.Check

the

wirin~

contacts

of.the

electric

equipment-to

see whether. they :are connected

firm~ly

and welLBurnt marks

should

be removed.

10.Afterevery

,000

accumulatedoperatin~

hours,

add

the' following items;

(I)Make

an overall check

all'

pam

and

components.Make necessary .adjustments

and

repairs.

{2)Dismantle

the

dynam'o

and

startin~

motor.Clean

out

tile dirty

~ase··i.n

the

bearin~

and

refull them -with clean

~rease.rhec·kthe

pinion

ofstartin~

motor.

II.After

every

,500 accunulated

opera1jn~

hours,add

the

followioll; items:

)Remove

the

cylinder head,check

the

valve

and

valve

seats

and

other

parts

;cylinder

head

asselnbly.

(2)Remove .the carbon de,posits

the surfaces

cylinder head,Hner,piston

and

piston ring,

etc,and

wash

,down

them.

(3)Check

and

measure

-wear

the

pistons

and

piston rings.

(4)Check

and

measure

wearofthe,cylinder:lUler.

('5)Checkand

measure

wear

the

crankshaft main

joumalsandcrank

.pins£lean

:htbe oil

passa~es

the crankshaft.

(6)Check

wear

'of

the

'main

'bearin~

and

connecting-rod

bearing shells.

(7)C·lean,oil

"passages

the

cyJinderblockand

replace

-lube

oil

.Preservatioo

and.Steraaeof,Enaine

'If

the

-engine is

put

out

service for a comparatively long period

time,it is

necessary

.preserve

according to

the

1ollowin~

procedure:

I.After

the

,engine 'steps

and

st.ill

does not coal yet,drain

out

completely

the

],ubeaiJ.,cold

water·and fuel immediate'ly.Clean the oil sump and oil strainer.

2.Clear

out

the

dust andoi:Jon the engine surface.With ,antirust oil

smearal'l

the

UDflIlinted

ex'posed surfa.ces

'of

engine e)(cept rubber

and

.plasticparts.

Jieat

:the

fiJ.tel:ed

,lube oil

110r-..,

~120

°C

,unti·)

all J!lubbles in

the

surface

oGf·.oil

.wsappear.

"fhen

pour

the

dehydrated -,oilinta

·tl:le

oil sunp unti·loillev.el :reaches the

upper

mark,and turn

the

engine,in

order

,make

s'urelhat

the

lube system is completely filled

with

this

oiL

3-3

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Yangdong Co. Y90 Series Especificações Página 18

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