Pdf hydraulically actuated electronic unit injector. Troubleshooting the hydraulic electronic unit injection. Heui injectors remanufactured by us are returned to original like new tolerances. Pdf merge combinejoin pdf files online for free soda pdf. Fuel system mui eui heui free download as powerpoint presentation. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The revolutionary heui injector design is critical to the precision, performance, economy and proven reliability of the heui fuel system. Navistar heui injector diesel nozzle,diesel plunger,head. Subscribe to our newsletter to get important updates about our network and latest offers. Caterpillar cat 3406c marine engine parts manual download mkmjnmdhuy. The caterpillar 3126 heui engine introduces a new era of the diesel engine in the bus industry using the medium duty diesel engine. Item description dx73716 24 v light power supplier dx82800 pipes kit 3pcs dx73640 can line dx74265 x1 flow delivery pipes 38 dx73642 5 mt. Refer to disassembly and assembly for specific machine. Merge pdf files combine pdfs in the order you want with the easiest pdf merger available.
Common rail injection cri named after the shared highpressure rail that supplies cylinders with fuel, the common rail injection cri system is an advanced technology for diese. Unit injector ui is a high pressure integrated direct fuel injection system for diesel engines, combining the injector nozzle and the injection pump in a single component. The fuel pump draws filtered fuel from the tank through low pressure fuel lines leading to the water separator not all diesel engines have a water separator. The plunger pump used is usually driven by a shared camshaft. Troubleshooting the hydraulic electronic unit injection heui fuel system on c7 and c9 engines1250 6,230 views. Piezo injectors edt 316 heui diesel injectors specialized test benches heui systems edr 700 common rail injectors common rail piezo injectors heui injectors automatic robot edr 710 common rail injectors common rail piezo injectors heui injectors semiautomatic mini robot edr 720 common rail injectors. The pcm communicates to the fuel injection control module ficm that its time to fire the injector. The major parts of the diesel fuel system are the fuel tank, fuel filters, fuel pump, electronic control module, injection nozzles or injectors, and fuel lines. The hydraulic electronic unit injector heui system uses highpressure engine oil instead of a camshaft to control the injection of fuel. Small engine fuel systems wanderlodge owners group. We rebush governor housings for 3208, 3304, 3306 and 3406 fuel pumps and recondition pencil type nozzles. Heui surpasses many of the limitations of mechanical and conventional electronic injectors, and sets new standards for fuel efficiency, reliability and emission control. Theoretical and experimental study of a hydraulically actuated. S inyectora vertical modelo a b a b a b a b a b a b diametro del tornillo mm 38 42 45 50 52 62 62 70 70 80 55 65.
Addon heui injector tester hubei fotma machinery co. A unit injector consists of several basic elements. Electronic unit injectors are mechanically pressurized using electronic control of governing, timing and metering functions. Unlike a conventional fuel system, where fuel injection pressures increase proportionally with engine speed, the heui system works with the ecm to electronically control injection independent of engine speed. Hydraulically activated, electronically controlled, unit injectors heui debuted in the caterpillardesigned heui injection system found on navistarbuilt 7. Caterpillar cat c7 marine engine parts manual download. The worlds first spv electromagnetic spill valve system is used for fuel. Parts manual breathing diesel engine exhaust and some of its constituents are known to the state of california to cause cancer, birth. Photo 614 heui how high pressure oil injection systems work icp gauge. Advanced technology yields higher performance the heui hydraulically actuated electronically controlled unit. The heui hydraulically actuated electronically controlled unit injector fuel system represents one of the most significant innovations in diesel engine technology in decades. We specialize in remanufacturing heui injectors and their components for companies that remanufacture their own injectors. The study of ionization in a military, heavyduty, diesel engine. May 19, 2017 this feature is not available right now.
Soda pdf merge tool allows you to combine two or more documents into a single pdf file for free. Hydraulically actuated electronic unit injector heui systems introduction the goal to build diesel engines achieving outstanding fuel economy and high torque output from relatively small engine displacements while lowering engine emissions produced an innovative injection technology appearing in the early 1990s. Small engine fuel systems 4 1 2 days 2050 none this course is an indepth study of the caterpillar fuel systems for the 3114, 3116, 31263126be, c9 and 3208 engines. Specify websites and page patterns to automatically inject into. An interesting yet complicated injection system that functions by using pressurized engine oil to fire its fuel injectors, heui is the perpetual underdog in diesel performance. The system relies on highly pressurized crankcase oil instead of diesel fuel to fire the fuel side of the injectors. Controlled unit injection, as they combine the features. The parts furnished by interstatemcbee are warranted to be free from defects in material and workmanship under normal use and service for a period of twelve 12 months, 100,000 miles or 2,000 hours of operation, whichever comes first, from date of first installation in an engine.
Delphi c7 and c15 injectors are supplied with a unique trim code developed during the remanufacturing process. Seal kit, external, injector, navistar dt466e, t444e,i530e. The heui operates in the same way as a hydraulic cylinder in order to multiply the force of the high pressure oil. You should always refer to the shop manual for the. For more information please go to product bulletin. Heui injectors fuel injection ford f series scribd.
In a unit injector, the device is usually lubricated and cooled by the fuel itself. The heui uses engine lubrication oil that is pressurized from 6 mpa 870 psi to 28 mpa 4050 psi in order to pump fuel from the injector. The basic engine takes advantage of the 3116s best features and years of experience and combines this with an electronically controlled fuel system, larger displacement, and other new features to produce the 3126. China addon heui injector tester, find details about china heui injector. Both the upper and lower poppet valve seats are refinished, and all static dimensions are returned to original specs. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Check out 2 mercedes om460 injector parts for sale.
Icp sensora ceramic disctype pressure sensor, the icp sensor provides information to the pcm regarding the control of the highpressure oil system. It is as important as the orings, the nozzle or the plunger and ensures optimal engine performance by compensating for variations in injector flow and timing. The springloaded plunger and barrel assembly to pressurize fuel inside the injector. Fuel system mui eui heui exhaust gas fuel injection. Entry in contextmenu to make injection even easier. Caterpillar heui fuel injector nozzles parts reconditioned. The ipr sends icp through the oil rails, and to the oil side or top side of the injectors. Plunger and barrel assemblies for caterpillar 3126 heui injectors file. The heui uses engine lubrication oil that is pressurized from 6 mpa 870 psi to 27. Nozzles and plungers are either remanufactured to like new tolerances or replaced with new. Iwp0838xxxxxx00 page 1 of 2 injectors iwp pico top feed racing injector up to 0. Because the heui is much different, a technician must use different troubleshooting methods. The use of hydraulic force to pressurize fuel for injection was groundbreaking and allowed for cleaner, more powerful and efficient diesel engines.
Su concepcion y su resistencia mecanica le permite trabajar en ambientes humedos. The injector is use for the simulation of injection process in diesel engines. This is a short promo of automates automotive training module covering heui the precursor to the common rail diesel engine. We help you find the heavy duty truck parts that you need. A poppet valve, known also as a spill control valve or solenoid needle valve that. Intensifier pistons for power stroke and heui injectors file. This also known as inject header query, ssh injector or phreaker tools.