006_Engine.ppt

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Customer Service Department

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Very clean engine

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In compliance with following

homologations:

homologations: 97/68

97/68 CE

CE

homologations:

97/68

CE

Stage 2 and E! "ier 2

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#igh displacement $%&' litres( to g)arantee reser*e

of tor+)e& power and low )tilisation

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,ed)ced specific f)el cons)mption

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,ed)ced noise le*el

Engine : Characteristics

MODEL

IVECO NEF

S4D104E

TYPE

TURO

NET !ORSEPO"ER

## !P $ %%00 r&'

TOR(UE

)#* N' $ 1400 r&'

)#* N'

)#* N' $ 140

$ 1400 r&'

0 r&'

DISPL+CEMENT

4,4*- .

4,4*-

4,4*- ..

COMPRESSION R+TIO

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Engine : as

E'issi2n

S"!-E 2 normati*e:

.90/97,1' -as emissions

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Customer Service Department

Engine : Per32r'ance

Cr5es

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Engine : Main C2nce&t

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Customer Service Department

Engine : Main

C2nce&t

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L2ngit6ina. secti2n 23 in7ecti2n &'&

1. Membrane 2. Adjusting hub nut 3. Feeler 4. Control lever 5. Speed ontroller

!. "ooster pump #. $riving sha%t &. Cam dis' (. )njetion adjuster

1*. $istributor piston 11. Feed onnetion piee 12. +,drauli head

-13. Control plate - 14. Control rod - 1 5. Counterspring.

In7ecti2n &'&

he pump is rotar, t,pe and it is driven b, a gear

oupled /ith the amsha%t gear.

(S)4D104E - 1

Cut views

Engine : Fe. In7ecti2n P'&

Strctre

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Customer Service Department

1 S&&.8 ste&

1. Fuel inta'e pipe 2. Solenoid valve 3. A0ial hub

4. Compression hamber -5. Fuel pipe bet/een pump

element and injetors !. $istributor piston #. "ore %or %uel uto &. Slide valve -(. )njetor

he distributor piston ! is plaed in the b.d.. and the slide valve & shuts the bore %or the %uel ut-o #. he %uel is %ed into the

ompression hamber via %eed pipe 1 that is 'ept open b, the solenoid valve 2.

% Fee6 ste&

1. Fuel inta'e pipe 2. Compression hamber 3. )nner pipe o% distributor piston -4. Fuel pipe bet/een pump

element and injetors 5. $istributor piston -!. )njetors

he distributor piston 5 is li%ted under inuene o% the am dis' to the .$.C. and rotates at the same time around its o/n a0is. ", means o% these t/o movements the %uel inta'e pipe 1 is losed and the %uel in the ompression hamber 2 is simultaneousl, ompressed. he inner pipe 3 o% the distributor piston is onneted to pipe 4 and ma'es the %uel %eed to the injetors ! possible.

) Fee6 en6

1. Fuel inta'e pipe 2. Compression hamber 3. Feed pipe

4. ipe %or %uel uto 5. Slide valve -!. $istributor piston.

he distributor piston ! opens the high-pressure hamber b, means o% pipe 4 during its li%t to the .$.C. b, means o% this a pressure ompensation bet/een inner hamber o% the distributor piston %eed pipe to t he injetion valves and inner hamber o% the pump housing ta'es plae.

4 St2&&ing 23 engine

he engine is stopped b, means o% disonneting the starter ontat. he solenoid valve urrent 4 is interrupted. ", means o% the spring

3 the solenoid valve presses the moveable valve pin  2 to the stop and thus the %uel inta'e pipe 1 is interrupted.

1. Fuel inta'e pipe 2. Moveable valve pin 3. Spring

4. Solenoid valve -5. Compression hamber.

Engine : Fe. In7ecti2n P'&

O&erati2n

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L9D9+9 M26e 23 2&erati2n

he 7$A devie adjusts the %uel throughput independent o% the air pressure in the sution mani%old. his air pressure ats upon the membrane 1 /hih is rigidl, onneted to the ontroller pin 4. he lo/er part o% the ontroller pin 4 is provided /ith a onial mounting 5 /ith a %eeler pin !. ", means o% the a0ial displaement o% the ontroller pin 4 the %eeler pin ! is also displaed and ats upon the stop lever #. he stop lever rotates on its o/n a0is & and ats upon the ontroller dis' in suh a /a, that the %uel throughput is adjusted to the air 6uantit, %ed into the ,linders.

Starting

)% the solenoid valve ! is supplied /ith urrent %uel is %ed into the ompression hamber #8 in this ase the governor /eights o% the governor ollar 5 are losed and the lea% spring 2 presses the li%ter 1 and the slider 4 into the additional %eed position.

hus the /hole li%t o% the pump element is used %or the %eed to the injetion valve. 1. Starter li%ter 2. 7ea% spring 4. Slider 5. 9overnor ollar !. Solenoid valve -#. Compression hamber.

Starting 6e5ice 6isc2nnecte6

A%ter starting o% the engine the governor ollar 5 moves a0iall, as a result o% the entri%ugal %ore aused b, the e0pansion o% the governor /eights # and auses the starter li%ter 1 to ontat the tension lever 3 and s6uee:es the lea % spring 2. ;nder these onditions the slider 4 is moved to idling position.

1. Starter lever 2. 7ea% spring 3. ension lever 4. Slider 5. 9overnor ollar !. Solenoid valve -#. 9round.

Engine : Fe. In7ecti2n P'&  LD+

De5ice

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Customer Service Department

$esign o% the ontroller /ith %eed-dependent adjustment

o% the start o% deliver, 1. Control spring 2. 9overnor ollar 3. ension lever 4. Starter lever 5. Slider !. $istributor piston #. Control sha%t -&. 9overnor /eights.

$esription

he load-dependent adjustment o% the start o% deliver, 7F" enables a <smoother< engine operation redued in noise. he 7F" devie is realised b, means o% the %ollo/ing hanges=

9overnor ollar /ith an additional bore to the anti pump bore.

Controller sha%t /ith an oblong hole and t/o ross holes

ump housing /ith a hole that is losed %rom outside b, means o% a ball and that is onneted to the %eed hamber.

a. Collar in idling position b. Collar in movement . Collar in adjustment ondition inner pressure loss 1. >blong hole in ontroller sha%t

2. Controller sha%t

3. Cross hole governor ollar 4. 9overnor ollar

5. Cross hole ontroller sha%t !. ?dge %rom ontroller entre -#. Cross hole  ontroller sha%t..

Mode o% operation

)ndependent o% the position o% the outer aelerator pedal the %uel %eed is redued i% the governor ollar 4 is displaed b, the governor /eights o% the ontroller b, means o% the entri%ugal %ore in ase o% an inrease o% the speed.

For a smoother engine operation and a redued %uel %eed the start o% deliver, must be redued. As the injetion adjustment devie in the rotar, piston pump is a h,drauli devie the pressure inrease must be redued in order to obtain a dereasing start o% deliver,= this is obtained b, means o% the 7F" devie. )% the governor ollar 4 that runs on t he ontroller sha%t 2 onnets the bore 3 to the hub ! and the bore # a part o% the diesel %uel under pressure is %ed via the pipe 1 and 5 into the %eed hamber. his %uel auses a redued pressure inrease in the pump a nd a redued start o% deliver,.

Engine : Fe. In7ecti2n P'& 

;L9F99<

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he @@S" devie allo/s to set the re6uired old start injetion advane.

Engine : Fe. In7ecti2n P'& 

;==S<

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Customer Service Department

Engine : Fe. In7ecti2n Ti'ing Ins&ecti2n an6

a67st'ent

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Engine :

Tr2charger

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Customer Service Department

Engine : Re&air =it

!i"g #it $%0&40 mm'

Pisto" assy $%0&40 mm'

(eari"g $)0&25 mm'

(eari"g $)0&50 mm'

(eari"g $)0&25 mm'

(eari"g $)0&50 mm'

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Engine : "2r>sh2&

Data

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Customer Service Department

Engine : "2r>sh2&

Data

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?0haust mani%old

urbo ompressor=

- rst step= 4-3-1-2

- seond step= 1-4-2-3

>il pan=

- rst step= %rom 1 to 1!

- seond step= %rom 1# to

32 +eat e0hanger

Engine : "2r>sh2&

Data

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Customer Service Department

Engine : "2r>sh2&

Data

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Engine : Tr2.esh22ting

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Customer Service Department

Engine : Tr2.esh22ting

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Engine : Tr2.esh22ting

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Customer Service Department

Engine : Tr2.esh22ting

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Engine : Tr2.esh22ting

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