Yangdong Co. Y90 Series Spezifikationen PDF herunterladen (Seite 30)

The

injection

pump

has been calibrated by the

manufacturer.Be

sure

not

to

dismantle

it

at

will.When the dismantlement,repairment

and

adjustment

are

required,it is

forbidden

to

interchange the

pluger

sets

and

discharging

valve sets,and

be

sure

to

keep

clean

when

assembling.

The

all

speed

mechanical- centrifugal

governor

is applied.

The

governing

handle

can

be

operated

to

control

the

speed

of

diesel

engine.When

the

governing

handle

is

turned

in

the

direction

of

tightening the

governing

spring,the fuel supply

would

increase

and

the

engine

speed

\\-'ould be up consequently.When this fuel

supply

would

decrease

and

the

relevant

engine

speed

would

go

down.Do

not

move

either

the

high

speed

or

the idling

speed

set

screws

or

screw

the

maximal fuel supply

set

screw

on

the

governor

at will

during

operating.

On

the

governor

housing,a

stop

handle

is

mounted

which,if

necessary,can

be

operated

to

stop

the

engine

at

emergency.

'rhe

needle valve

and

its body are a precise set lapped in

couple

..

therefore.,close attention

IS

paid to

that,when

dismantling and

assembling

them.Be

sure

not

to

interchange

them

and

to

keep

them

clean.

VID.Lubricatine

System

The

lubricating system is

composed

of

the strainer,lube oil pump,oil filter

and

pipelines,as

shown

in Fig. II .

rrhe engine

adopts

pressure"

and

splash lubrication.The

pressure

lubrication is applied

to

the

I1lain

bearing

..

connecting-rod bearing,camshaft bushing.

The

cylinder

sleeve,piston,piston pin,

connecting- rod bushing.,cam and its tappet,as well

as

valve

and

its

guide

are lubricated by

splashed oil

spray.l'he

bearings for the

water

pump

shaft

are

lubicated regularly by

adding

lubricating grease.

The

lube oil is

sucked

up to

the

lube oil

pump

from

the

oil

sump

through

the

strainer

and

the

oil inlet pipe,and

pumped

into main oil line

through

the oil filter.One path

of

the

lube oil

lubricates the nlain bearing

and

the

connecting-rod bearing

through

the

oil hole

on

the

crankshaft:

other

path

of

the oil lubricates the

camshaft

bushing,and also

~he

oil is

supplied

intermittently to

the

rocker

arm

shaft

bushing

throrgh the eccentric oil channel in

the

rear

journal

of

the

camshaft;

and

the

third path

of

the oil is ted

to

the

timing idler

bearing.~rhe

lube oil pUlnp is

of

slantingly

mounted type.A single

~tage

paper

cartridge oil pUlnp is used.

The

filter

element

can

be replaced

regularly.ln

case

of

blocking

up

during

xoperation,the oil flows into the main oil line by

opening

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