Yangdong Co. Y90 Series Especificaciones descargar pdf (Pagina 20)

2.Check

the

timing

mark

the inspection

window

flywheel

housing

see

whether

aligns with

the

correct gradulated

mark

specified

advanced

injection angle on the flywheel rim

(or

the

crankshaft

pulley).

3.ln

case

that

they

not

match \vith

each

other,the

advanced

injection angle

can

adjusted

removing,

off

the

front

cover

the tinling

gear

housing

and

loosening

the

three

screws

fastening

the

injection plunp tilning

gear

support(see tig.2).lf the injection

timing

is too

advanced,turn the timing

gear

support

anticlockvvise

the

proper

angle.Otherwise.turn

the

support

clockwise.If

adjusting range is

not

enough

Fig. 2 Adjustment

specinect

advanced injection

angle

loosening

the

three

nuts

the

adjusted

due to limitation

the three elongated

holesJoosen

little

the

three

fastening nuts

the triangular flange

the

injection

pump

and

tum

the

injection pump.

Facing

the

front

end

engines,

when

the

injection

pump

rotates clockwisc,the fuel injection will retard;

\\lhile the

pump

rotates anticlockwise.Jhc fuel

injection will advance.

4.Additionally,if

the

engine has injection

angle

advance

device,the

advanced

injection angle

can

triangular flange

injection

pump

and turn the

injection

pu,np

shafLFacing the front

end

engines<t

\vhen the injection

pump

rotates clock\vise,the fuel

injection will' retard:while

the

pump

rotates

anticlockwiseJhe

fuel injection will

advance.After

turn

the

injection

pump

once.it

lnust to tighten

the

three

nuts

and

c.heck

the

advance

injection

angle again untill

the

advance

injection angle fits

the

spcified value.

ill.

Ad.iustment

Iniector

Injector test and

adjustment

,nust he performed on a injector tester in

order

adjust

iniectin~

pressure"inspect sprary pattern and relnedy faults.

Too

high

too

lower Injector injecting pressure,and abnormal spray

dalnaged

injector

parts'\vill

cause

engine

troubles'lsuch

black

smoking,power

and

speed

dropping

increasing

exhaust

temperature

and diesel knocking.,etc.Generally..the "shut off"

method

recommended

4-2

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Yangdong Co. Y90 Series Especificaciones Pagina 20

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