Mitsubishi 4DQ5 Service Manual download pdf (Page 104)

.......

o

o

I

e

4)

...

til

>,

til

Cl

;:::s

~

S

4)

...

til

~

e.o

.5

'0

0

U

I njection pressure

.,

N

N

0

c::

c::

0

-

Spray angle

u

.,

:5'

a:i

"

I.L.

Needle valve scat oil-

tightness

Clearance

of

Front

'"

outer

race in

""

pump

casing Rear

c::

.;:::

"

.,

Clearance 0 f

Front

.0

P-

inner race

on

E

pump

shaft Rear

"

P-

~

Front

"

::::

Radial play

Rj:ar

Water

pump

impeller, vane-to-

casing clearance (front and

rear sides)

Carbon protrusion

-

'"

·a~

;:l~

Height (free length)

Temperature that makes

-

valve start opcning

!3

Cl

Valve lift

E

...

.,

.c

Temperature that makes

l-

valve open fully

Belt, tension

Unit:

mm

(in.)

120 kg/cm

2

+ 19

kg/cm

2

t146·2

psi)

110

kg/cm

2

Adjust by means

of

Injection fressure varies

(1706.4 psi)

(1564.2 psi)

shim(s).

10 kg/cm (142.2 psi) per 0.1

mm

(0.004)

of

shim thickness .

Spray

of

fuel oil should be

Test by means

of

hand

uniform and consists

of

tester,

usin%

diesel fuel at,

fine droplets.

20

0

e or 68 F approx.

If

No

dribbling should be ob-

0°

SI)[;IY pattern

is

improper

served after each injection.

even after nozzle

is

washed in

dean

kero-

"Throttle

injection"

should

sene, replace nozzle tip.

occur when the tester lever

is

operated slowly.

Scat shall show no sign

of

leakage under a pressure

of

Wash

needle valve scat

Replace nozzle tip when

100 kg/cm

2

(1422 psi).

or replace nozzle tip.

needle surface

is

scratched

or scored.

47

(1.850)

-0.018T~0.014T

I Replace

pump

case or

[(0.00071 T

~0.00055T)li

40

(1.575)

pump assembly.

20 (0.787)

-0.001

T~0.025T

[EO.00004T~0.00098T)1

17 (0.669)

-0.002T~0.020T

[EO.00008T~0.00079T)1

20

(0.787)

[

0.010~.025

)

(0.00039~.00098)

~

0.045 J

Replace bearing if it does

Replace bearing.

[

0.010~.022

]

0.00177)

not

rotate

smoothly.

17

(0.669)

(0.00039~.00087)

Replace impeller and

~

0.5

~1

bearing if vanes are

(0.020

~0.039)

binding.

l·Floating

seat

1.5

(0.059)

0

!carbonI

2·Seal

ring

18.1

(0.713)

(ceramic I

-_

..

,

76.5°C

± 2°C

(±

3.6°F)

(169.7°1')

9 (0.35)

90°C

(194

OF)

± 2°C (±

3.6°F)

DeOection:

12 (about

1/2)

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 119 120

Comments to this Manuals

No comments