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1Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
ChapterChapter 33
NEF NEF ENGINEENGINE
TIER 3TIER 3
2Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1 – Engine controller;
12
2 – Crankshaft sensor;
3
3 – High pressure pump
;
5
5 – Injection pressure sensor;
6
6 – PTO;
7
7 – Preheating grid;
8
8 – Water pump;
9
9 – Turbocharged;
4 – Fuel filter;
4
3Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
5
87
2413
6
3.1. Identification plate
1: Engine codeF4 = Engine familiy (NEF)H = Non structural engine block - 4 valves on each cylinderE = Engine0 = Engine configuration (4 strokes, vertical)4 = Number of cylinders8 = Injection and intake (Turbocharged, Diesel, ID, Intercooler)4 = Application (Tractors and construction machinery)E = Homologation powerJ = Emission level (Tier 3)
2: Date of manufacturing (month - year)3: Gross power given in in Hp4: Displacement given in cubic inches: 272 cu. in. = 4490 cc.5: Max fuel quantity delivered by each pump piston in one cycle, given in mg/stroke6: Engine minimum idle speed7: Injection advanced mode data (not used)8: Intake valve backlash (inches)9: Exhaust valve backlash (inches)
4Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
Engine
Maker - Model ………………………………………….. NEF - FHHE9484 C J 101 XXXX (Tier 3)
Bore x stroke ……………………………………………... 104mm x 132mm
Displacemen…………………………………………………4.5 Litres
Rated speed ………………………………………………. 2200 rpm
Gross power per SAE J1995 @ 2000 RPM …… 82 Kw @ 2000 rpm
Firing order ………………………………………………...1 – 3 – 4 – 2
Intake ………………………………………………….…….Turbo aftercooler
Maximum operating slope)……………………..……..35%
5Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
COMPONENTS
1
1. High pressure pump;
2
2. Fuel filter;
3
3. Engine controller;
4
4. Common Rail with high pressure relief valve
5
5. Intake air (from aftercooler)
6
6. Engine oil filling
7
7. Low pressure pump
Nomenclature of engine - Turbo side
6Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
COMPONENTS
1. Turbocharged with wastegate
2. Engine oil filter
4
3. To muffler
3
4. Air intake to aftercooler
5
2
5. Air intake (from filter)
1
Nomenclature of engine - Turbo side
CONNECTIONS
7Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
COMPONENTS
1
1. Engine controller
2
2. Common rail
4
3. Turbocharged
4. Water pump
3
Nomenclature of engine - Front
8Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
COMPONENTS
1
1. Common rail relief valve
2
2. Engine air pressure-temperature combined sensor ( turbocharging)
3
3. Fuel discharge from electric-injector
44. Fuel discharge from common rail
Nomenclature of engine - Actuators and sensors
9Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1 – Common Rail;
2 – Injection pressure sensor;
1
2
Nomenclature of engine - Actuators and sensors
10Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
E.G.R. – Exaust Gas Recirculation
In general on tier 3 engines has been developped a new system called E.G.R in order to reduce the pollution.
EGR stand for Exaust Gas Recirculation.
Practically part of exhaust gas is introduced in the cylinders in order to reduce the combustion temperature.
In fact, the exhaust gas doesn’t contain oxygen, practically are neutral and are as obstacle to heat propagation.
Since the production of oxide of nitrogen(pollution) is directly proportional tocombustion temperature, it means that if wereduce the combustion temperature, we reduce pollution.
IVECO NEF got the EGR just mdifying the cams shaft.
So when the gas is going outside of cylinder, part re-enter in the same cylinders.
Note: in the picture there is a solution adopted by isuzu.
11Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
On NEF engines an extra lobe on the cam shaft let to get the exhaust gas recirculation during the intake cycle by keeping the exhaust valve open for a short time.
AB
E.G.R. – Exaust Gas Recirculation
12Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
E.G.R. – Exaust Gas Recirculation
13Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1. Proportional valve
1
2
COMPONENTS
2. Low pressure pump
4
4. Fuel filter;
5. Fuel temperature sensor;
4
Nomenclature of engine - Actuators and sensors
3 - High pressure pump
3
14Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1. Engine oil filter;
COMPONENTS
1
2. Engine oil pressure temperature sensore;
2
3
3. Coolant temperature sensor;
Nomenclature of engine - Actuators and sensors
15Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1
1. Timing gear sensor (camshaft);
2
2. Cranshaft sensor;
COMPONENTS
Nomenclature of engine - Actuators and sensors
16Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
COMPONENTS
2
4
1
3
1 – Fuel pre-filter;
2 – Breather screw;
3 – Fuel lifting pump;
4 – Water in fuel sensor;
Nomenclature of engine - Actuators and sensors
17Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
Nomenclature of engine - Actuators and sensors
2. To high pressure pump
To fuel tank
1. Fuel filter
13
2
18Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1 – From engine controller 2 – To fuel filter3 – From fuel filter to high pressure pump4 – Return fuel to filter5 – To Common Rail
21
3
4
5
Injection pump
19Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
Fuel tank
Fuelprefilter
High pressure
pump
Fuelfilter
Low pressurepump
Fuelradiator
“Common rail” injection system
20Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine 3.7. “Common Rail” injection system High pressure pump
A. Fuel return port - B. Fuel inlet port from EDC heatexchanger - C. Fuel inlet port from fuel filter - D. Fueloutlet port from low pressure pump to fuel filter - E. Fuel outlet port from high pressure pump to the rail. -1. High pressure pump - 2. Fuel supply pump -3. Fuelpressure regulator (N.O. proportional solenoid valve controlled by PWM signal from EDC7 electroniccontrol unit).
1. Cylinder - 2. Three lobes cam - 3. Suction valve - 4. Delivery valve - 5. Piston - 6. Pump shaft - 7. Lowpressure fuel inlet - 8. Piston fuel supply channels.
Pump with three radial piston driven by the timing gear. No timing adjustment is required. With fuel supply gear pump installed on the back of the high pressure pump.
21Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1. Pressure rod
2. Needle
3. Nozzle
4. Coil
5. Pilot valve
6. Ball shutter
7. Control area
8. Pressure chamber
9. Control volume
10. Supply-contro line
11. Control fuel outlet
12. Electrical connector
13. Spring.
3.7. “Common Rail” injection system
Electric injector - rest condition
22Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
When the coil (4) is energized, the ball shutter (6)ismoved upward. The fuel in the control chamber (9) flows out through the return line (11) causing a pressure drop in the control chamber (9).
At the same time, the fuel pressure in the pressurechamber (8) pushes the needle (2)upward, allowingthe fuel spraying into the cylinder combustionchamber.
Injection starting
When the coil (4) is de-energized, the ball shutter (6) takes back its closed position, in order to restore a force balance suitable to keep closed the injectorneedle (2) and shut off the fuel injection.
Injection end
From Rail
To reservoir
3.7. “Common Rail” injection system
23Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
“Common Rail” injection system
Engine controller input /output signals
Coolant temperaturesensor
Fuel temperaturesensor
Common rail fuel pressuresensor
Intake manifold combinedpressure/temp. sensor
Engine oil combinedpressure/temp sensor
Timing gearsensor
Crankshaft speedsensor
Throttle potentiommetersignal
Ambient pressuresensor
Injector solenoids Preheating grid relay
Proportional solenoid valve installed on high pressurepump
Diagnostic connector
24Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
TECHNICAL DATASTECHNICAL DATAS
STALLSSTALLS
25Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
26Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
27Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
2
1
28Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
2
1
29Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
2
1
30Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
31Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
2
1
32Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
12
33Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
34Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
12
35Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1
2
36Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1
2
37Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
38Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
In case of Clusterreplacement
21
39Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
40Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
41Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
42Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
View information or download
43Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
2
1
44Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1
45Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
46Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
1
2
After cluster replacement is necessary to enter in this screen
and set properly the following parameters :
Air conditioning;Preheating grid;Pilot control,
than send the values to the controler
47Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
2
1
48Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
SelectLanguage
49Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
50Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
51Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
52Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
53Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
54Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
55Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
56Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
57Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
INJECTORS CUT OFF
58Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
59Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”PRESENTATION
60Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
Programming
This ECU software download procedure is required if any one of the following conditions exist:
• Blank ECU from Service Parts - Programming an engine controller from service parts that has no software pre-loaded (normal service part).
• Black ECU from an interrupted Download - Programming an engine controller that has lost its information due to an interrupted download process for a normal update.
•Wrong ECU - Programming an engine controller from service parts or from a different machine that is loaded with inappropriate software for the selected machine.
61Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
Blank Controller Download
Downloading to a blank controller requires a two part download process:
• One process to initialize the controller.
• A second process to download the software file to the ECU.
The progress bar will be displayed two times. The time required for this type of download will be about 60% longer than for the Normal Machine Update download.
62Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
63Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
64Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
2
1
Chose here the right program
65Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
66Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
67Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
* * * * ** *** *** ****
68Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
FAULT CODE LIST
69Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
70Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
71Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
72Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
73Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
74Monthyon, november 2007
LOADER-BACKHOE CASE “580-590-695 SR2 Series”
TIER 3 NEF Engine
How to record engine parameter with the E.S.T