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### Descrição do Produto: Lisle 71400 Manifold Drill Template GM LSIII
O Lisle 71400 Manifold Drill Template GM LSIII é uma ferramenta essencial para mecânicos e entusiastas de automóveis que buscam precisão e eficiência na perfuração de cabeçotes de cilindro. Este template inovador é projetado especificamente para motores GM LSIII, oferecendo uma solução prática e eficaz para a instalação de parafusos em locais de difícil acesso.
Com sua base de suporte centralizada por parafusos cônicos, o Lisle 71400 garante um alinhamento perfeito sobre os furos de fixação, permitindo que o usuário se mova de um furo para outro sem a necessidade de reposicionar a base. Isso não apenas economiza tempo, mas também minimiza o risco de erros durante o processo de perfuração. O bushing de ajuste livre facilita a transição entre os furos, proporcionando uma experiência de uso fluida e sem complicações.
Quando um parafuso quebra, o extrator de parafusos incluído é a solução ideal para removê-lo com facilidade. Caso o extrator não possa ser utilizado, o produto também inclui um bushing que permite a perfuração até o tamanho do rosca, garantindo que você tenha sempre uma alternativa à mão. Para evitar danos ao sistema de arrefecimento, o Lisle 71400 vem equipado com um medidor de profundidade de perfuração de dois lados, assegurando que o duto de água não seja perfurado acidentalmente durante o processo.
### Instruções de Uso:
1. Preparação: Antes de iniciar, certifique-se de que a área de trabalho esteja limpa e organizada. Remova qualquer resíduo ou obstrução que possa interferir na perfuração.
2. Posicionamento: Coloque a base do template sobre o cabeçote do cilindro, alinhando os furos de fixação com os parafusos cônicos. Certifique-se de que a base esteja firmemente posicionada.
3. Perfuração: Utilize a broca apropriada e comece a perfurar os furos conforme necessário. Utilize o medidor de profundidade para garantir que não perfure o duto de água.
4. Remoção de Parafuso Quebrado: Se um parafuso quebrar, utilize o extrator de parafusos para removê-lo. Se necessário, utilize o bushing para perfurar até o tamanho da rosca.
5. Finalização: Após a conclusão, verifique se todos os furos estão devidamente perfurados e limpos antes de instalar os novos parafusos.
### Características do Produto
– Base Centralizada: Parafusos cônicos que garantem um posicionamento preciso sobre os furos de fixação.
– Bushing Ajustável: Permite a movimentação entre furos sem reposicionar a base, aumentando a eficiência do trabalho.
– Extrator de Parafuso: Ferramenta incluída para remoção de parafusos quebrados, facilitando o processo de reparo.
– Bushing para Perfuração: Inclui um bushing para perfuração até o tamanho da rosca quando o extrator não pode ser utilizado.
– Medidor de Profundidade: Medidor de profundidade de dois lados para evitar perfurações acidentais no duto de água.
### Perguntas Frequentes (FAQ)
Pergunta: O Lisle 71400 é compatível com outros modelos de motores além do GM LSIII?
Resposta: O Lisle 71400 foi projetado especificamente para motores GM LSIII, portanto, sua compatibilidade com outros modelos pode ser limitada.
Pergunta: É fácil de usar para iniciantes?
Resposta: Sim, o Lisle 71400 é projetado para ser intuitivo, mas recomenda-se que os usuários tenham alguma experiência básica em mecânica para melhores resultados.
Pergunta: O que fazer se o extrator de parafuso não funcionar?
Resposta: Se o extrator não funcionar, utilize o bushing incluído para perfurar até o tamanho da rosca e remova o parafuso quebrado com uma broca adequada.
Pergunta: O medidor de profundidade é preciso?
Resposta: Sim, o medidor de profundidade de dois lados foi projetado para garantir precisão e evitar danos ao sistema de arrefecimento.
Pergunta: O Lisle 71400 vem com garantia?
Resposta: Sim, o produto geralmente vem com uma garantia do fabricante, mas é recomendável verificar as condições específicas no momento da compra.
Donald Danks –
I like that it comes with directions on how to use each piece. It would be nice if the supplied extractor was a bit more robust. It certainly helped drill out the broken off and stuck manifold bolts. I ended up drilling one bolt out with all three supplied drill bit sizes and was not able to extract the remaining metal. However, I was able to use this kit to help me keep a separately purchased drill tap aligned and straight as I cleared out the remaining metal. Maybe a future kit will include a bore bit just in case…
Tom Marek –
Had five broken manifold bolts. For stuck out so I could get out with welded nut. Fifth one was broken flush. Try to weld nut couldn’t get enough penetration. Found the kit on Amazon ordered read the instructions and went to work. Worked as advertised. Had to use all drill bits and tap. Machining fit and finish of the pieces is excellent. Would recommend to anyone who is having trouble.
mendinghoop –
I used this guide to remove 2 broken exhaust manifold bolts on the head of my 2007 Chevy Avalanche 5.3l as part of a collapsed lifter repair. The only piece of this kit that is lacking is the easy out. The one provided was the square type that you pound in. I found this to be completely inadequate for removing the broken bolt after it was drilled. As you can see in the picture on my review, I used a helical style easy out to remove the bolts after they were drilled. I was really impressed by the quality of this unit and the way it performed. All other components in the kit are great quality. The drills in the kit are high speed cobalt. This is a really nice touch as they have superior durability when compared to standard high speed drills. It is also great that they included many extra drills in the event that one becomes dull. All components fit within the included plastic blow molded case.I think the key to using this kit is to take your time. It probably took me at least 30 minutes to drill each hole. I would oil the drill, drill for a few seconds then pull the drill out, blow it off, remove the drill guide bushing, blow out the hole and bushing, then reinstall the bushing, oil the drill and repeat. I think I was maybe drilling .030 to .050 inches deep between oil applications. I think if you attempted to drill deeper pecks it would have a significant negative impact to the performance of the drills and their ability to remain in the center of the bolt. S you can see by the picture, the hole I drilled in the bolt was dead center.
Eli V –
This tool made my day. It was pretty easy to use. I was able to drill and tapout 3 exhaust Manifold bolts that had broken flush on the heads. This tool was not to expensive since it would have cost me a lot more to have a professional remove them. Only one thing that didn’t work was the tap out tool thats comed in the kit. I had to use my own, other then that its a great tool. Sorry i didn’t take any pictures.
Dale Hulst –
Bought this this thing to drill out three broken exhaust manifold bolts on a Chevy Tahoe and it works great. One was all the way to the firewall so we used a 300 rpm air powered ratchet to drill it out with the tap drill size on the first go. The holes seemed to be lined up good and threads will still in good condition after they we re-tapped. The only thing negative I can say is make sure the little thumb retainer screws thread in ok before you put it on the head. A couple of mine went in a little hard.
mendinghoop –
This gem helped me get three broken exhaust manifold bolts (broken flush or even recessed with the head) on cylinders 7 and 8. These bolts were tough to get to, especially cyl #7. This tool helped ensure a center and straight drill, for the extractor. Great tool and easy to use.
Rick S. –
Great kit! Used this yesurday on my 2000 GMC Sierra 5.3l, I had 3 broked manifold bolts, and this kit worked, still have a little trouble getting perfectly center, but the depth gauge and drill bits are great quality. The extractor needs some looking into by Lisle, should have put more effort into that part, doest work for beans! But I bought other extractors at oreillys and got the bolts out! Happy as can be!
KP –
The jig, drill and tap bushings, screws, alignment bolts, drill depth gauge and rotomolded case are top notch. Very impressed with the quality and workmanship of these components.
The drill bits are of medium quality at best. I would be willing to pay more for the tool to get titanium carbonitride or titanium aluminum nitride or something else that is of a very high quality. I suggest getting your own bits, or go super slow, lots of oil, and preferably have the head off the vehicle so you can put it in a press or similar. Once you get deep into the broken fastener, the angles between the drill, drill bit bushing and the hole in the fastener make it very easy to break a bit. They also dull quickly, even with pulling the bit every 10 seconds, blowing out all the chips and oiling it like crazy.
I found the extractor to not function at all. It either walked right out of the hole or was visibly twisting and would have broken.
I would definitely purchase again, and start with my own better quality bits and extractor.