Yangdong Co. Y90 Series Dokumentacja Pobierz pdf (Strona 13)

SECTION2. OPERATION

I . Fuel Oil

,Lube

Oil

and

Cooline

Water

I.Fueloil

Users can select the proper

grade

fuel oil

accrdin~

to.the local ambient temperature.

the

~eneral

area in. China,the

~de

fuel oil is according to the standard GB252 light diesel

fuel.Use

~de

"0"

Ji~ht

diesel fuel in summer, while in winter, use grade

10"

li~ht

diesel

fuel.Before

bein~

filled into the

en~ine

fuel tank,the diesel fuel must be settled for a

lon~

period

(normally' at least

h).Then draw out the upper part.The fuel should be filterd by silk cloth

while

fillin~

it into the

en12;ine

fuel

tankJt

will extend service life

injectors and injection

pumps by

usin~

the wen settle diesel fuel.

2.Lube oil

In the

~eneral

area in China.,users can select the .proper

~rade

accordin~

GB/T11122

Lube

Oil

Diesel

En~ine.Use

JUade

CD40 lube oil in summer,while in winter use

~de

CD30

lube oil.When

bein~

filled into the

en~ine

oil tank,the oil should be

filter~d

by screen.

3.Coolin~

water

recommended to use soft water such as rain water,city tap water,or ciean river water for

en~ine

coolin~.

We))

water

tap water from well water could not

used.

Coolin~

water

containin~

too Inuch minerals will

form.

water scali

en~ine

cooling system,affecting the

engine cooling efficiency and

givin~

rise to engine troubles.

Hard water(wel"l

spring water,etc.) should be softened before being used.There are two

softenin~

methods;

)Boi

lin~

up the hard water;

(2)Addin~

20~

caustic soda (sodium hydroxide) to each 30L hard water

make up a

solution.

When the

en~ine

operates in cold weather where the cooling water is liable

freeze,anti -

freezer can be added to the

cooling water to prevent it from

freezin~.

Glycol

alcohol aqueous

solution

most ordinary.

it is difficult to start the

en~ine

under lower ambient temperature, heat the water to about

e before fining it into the cooling system.

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