Yangdong Co. Y90 Series Especificaciones descargar pdf (Pagina 36)

ill.Smokio2

Exhaust

(see Table 6)

Table

6

Causes

1.Engines overloaded.

2.Fuel

il1iectors not well atolnized

3.Fuel unqualified

4.Colnbustion incomplete

Remedies

I.Reduce the load properly and

in

caSt~

of

unsuited

Inatching. adjustment should

be

Inade.

2.('ht~ck

the injection pressure and fuel spray. Replace

'then

in

case

of

damage.-

3.Use qualified fuel.

4.rv1ainly

caused

by

unqualifiedfue'linjccto~~

incorrect

advanced

fuel

injection angleJeakageatcytinder'hcad

gaskets and low compression

pressure.Remdy~it1·

accordance with specific problems.

lV.Knockin2 Noise in Entdne (see

l'able

7")

Table

.7

Causes

J .Advanced fuel injection angle incorrect.

2.Air trapped in fuel systems.

3.Fuel supply for

each

cylinder unbalanced.

4.Fuel unqualified.

5.Wear

of

certain

cOlnponent~

exceeds lilnits

Remedies

1.ReacUust

it

according

to specitlcation.

2.Exhaust air.

3.Readjust fuel supply.

j 4.lJse qualified supply.

, .

I 5J{eplace thelTl

V

.Lube

Oilln~ufficient

or

No

Pressure

(see l'able 8)

Table

8

Causes

1.0illevel

in

oil

sumps too

low.

2.Serious leakage

from

oil

pipelines.

3.0il strainers,oil filters and pipe'lines clogged.

4.011

gauges damaged or gauge lines clogged,

5.0il too thin.

6'()iI

pump gears seriously

v;'om

otf'i\\rjth excessive

clearance.

7.Pressure relief valves

of

oil

filter cease to filnction.

8.Main bearings, connecting-rod

bearings

and

carnshaft

hushings seriously

worn

off\\ith excessive clearance.

6-2

Renedies

]./\dd

oil

up

to lnark line

on

dip sticks.

2.Eliminate leakage.

3.Clean and replace elelnents

if

ne'··essat)'.

4.Check

and

replace elenlcnts

if

necessary

S.llse qualified

oil"

6.i\djust the clearance

or

replace

thelli.

7,(~heck

and

repair or readjust thenL

8.Check

and

repair or replace thC1TI,

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