The heui operates in the same way as a hydraulic cylinder in order to multiply the force of the high pressure oil. Pdf hydraulically actuated electronic unit injector. Phasing out the heui injector almost every heui system has since been replaced with newer technology to meet the everincreasing economy and emissions standards being introduced. See how oil injection works and all of its components work together in this months issue of diesel power magazine. Guide manual del i \ product registration thank you for choosing this laundry center. Cat 3126 eletric diagrama free download as pdf file. This downloadable 7volume pdf service manual set contains complete service and rebuild procedures, operating and specifications information, and troubleshooting steps for the caterpillar 3116, 3126 heui truck diesel engines.
An improved combustion process is the result of continuous research and development. Our central resource area for the latest nantai updates, releases, and corporate publications for clients, customers, friends of nantai, and news media professionals. Includes our complete media relations archive of imagery and video. Spcmax v20072 jun07 diesel completo alfa romeo averias mediciones pinout bosch edc 106. The daimlerdetroit diesel series 40 engine supplied by international also incorporated a heui fuel system.
Its called heui and it stands for hydraulically activated electronically controlled unit injector. Stroke ford con inyeccion heui y common rail gratis en espanolpdf. This fuel is pumped into the combustion chamber in precise amounts in order to control engine performance. The heui fuel system utilizes a hydraulically actuated electronically controlled unit injector 7. In this months basic training we look at mechanical, heui, and commonrail injectors as we give you a proper tutorial on the fuel injectors on your rig. Electronica del automovil on board diagnostic ii 3 c. Heui systems introduction the goal to build diesel engines achieving outstanding fuel economy. On the 3400series of engines going back to around the mid90s time frame the heui pump was a total pain. All fuel systems for diesel engines use a plunger and barrel in order to pump fuel under high pressure into the combustion chamber. Troubleshooting the hydraulic electronic unit injection heui fuel system on c7 and c9 engines1250 6,230 views.
Cat 3126 eletric diagrama fuel injection turbocharger. Robust construction, durability, reliability and strong torque are the hallmarks of agco sisu power engines. Daewoo nubiralacetti service manual english service manual to vehicles daewoo nubiralacetti 2004. Navistar 76 dt466e, i530e, dt466 530, ht530 a t s ts eal and gasket kitss.
Introduction operators manual marine diesel engines 3 revision 2. The diesel motor for the fittings provides a necessary rotation force to fulfil the pumps pressure and flow needs, and in this way, it achieves adequate flow conditions for the operation of the nozzles. This makes it possible to use any profibuscompatible plc or pc plugin card as a master for. Scribd is the worlds largest social reading and publishing site. This is a short promo of automates automotive training module covering heui the precursor to the common rail diesel engine. Heui fuel systems the revolutionary heui injector design is critical to the precision, performance, economy and proven reliability of the heui fuel system. Accuracy in heui testing highly depends on effective temperature control and injector drive technology. Ed1024 has now better temperature control and minimized need for cooling water. The heui uses engine lubrication oil that is pressurized from 6 mpa 870 psi to 27. Operation of a compression ignition engine with a heui. And let us demonstrate a higher level of customer service from our experienced and highly trained personnel. A unit injector ui is a high pressure integrated direct fuel injection system for diesel engines. The caterpillar 3126 heui engine introduces a new era of the diesel engine in the bus industry using the medium duty diesel engine. Service manual 2004 2280 pages section 0a section 0b general information specifications maintenance and repair general description and system operation section 1a general engine informati.
Download as ppt, pdf, txt or read online from scribd. Sistema dual fuel gnv oleo diesel visao bosch sidney oli. Ed1024 injectester heui is designed upon 30 years of diesel injection background. 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. Caterpillar 3116, 3126 8wl1wm diesel engine service. Operation of a compression ignition engine with a heui injection system on natural gas with diesel pilot injection 19990522. Theoretical and experimental study of a hydraulically actuated. Of our equipment which was mostly new in the 20089 time frame we have had one heui pump failure early doors on a 336d, covered under warranty iirc, but thats been it to date. A dedicated controller was designed and constructed to allow manual control of diesel fuel injection pulsewidth fipw, diesel injection advance adv, hydraulic injection. All the effegi systems solutions ensure maximum quality, creativity and uniqueness for a product tailored to meet the customer needs. Heui uses engine oil pressure to power highpressure fuel injection, where usual method of unit. If you continue browsing the site, you agree to the use of cookies on this website. Thisowners guide will explain proper operation and care. Advanced technology yields higher performance the heui hydraulically actuated electronically controlled unit injector fuel system represents one of the most significant.
Engine systems diesel engine analyst part 2 servicio integral diesel sac. Its ridiculed and hated by diesel enthusiasts the world overbut were big fans of it. Troubleshooting the hydraulic electronic unit injection. A123629 repair kit cat 3126 use cat 3126 heui series.
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