Prática de Shadowing: NEW CUMMINS ZF 8 SPEED TEARDOWN - Aprenda a falar inglês com vídeo
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Hey guys, Nick over here at Randy's.
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Today I'm going to be tearing down the new ZF 8 -speed power line transmission for you.
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Getting this up on the bench, it appears this thing is heavy and weighs all over 400 pounds just like the new 10 -speeds do.
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Also, it seems to be we're not using any dipsticks just like the ZFs and the 10 -speeds are currently not using.
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Damn, what is it with these manufacturers and these new plastic pans?
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There must be something I don't know.
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All right, pan off on the ZF 8 now.
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Looks like the filter's going to be integral to the pan
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on these like they are on all zf8 speeds i have to find something else to figure
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that out taking apart this valve body kind of makes me
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happy i can see all the bolts appear to be the
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same length that's not going to be a problem all right
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now it appears with the valve body out we're running a
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mechatronic system in these just kind of like the tecans and 8ls
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and 6l 90s computers solenoids all integrated into one assembly on
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this valve body digging into this pump cover it appears we're
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actually going to be able to remove this thing a lot easier than prying
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and pulling like a 68 cover she pops right out all
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right looks like on the pump cover on the zf8 they
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actually had to integrate a big bearing inside here to help hold that big converter they installed into this beast
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and just a little bit something different we're not used to
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here at randy's a remote chain driven pump they probably make a tool for this
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but it appears a good old six cell smack the stator
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trick gets this out real easy now digging into the meat
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and potatoes on this transmission we're looking at the b clutches
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here they seem to be pretty beefy like we're not going
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to have any issues with these failing in the future
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but it also seems like we have these anti -drag waverings
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in here to actually keep the clutches from dragging after they
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release getting even further into this to our p1 planetary it
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looks like it resembles all the other zf8 speeds we've seen before we're going to keep digging into this
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and see what else it looks like the input shaft looks
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identical we got a reluctor wheel in there she looks identical even our p2 planetaries look just the same
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so far everything resembles a normal zf8 speed next we're going to be pulling out this heavy c
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and d clutch drum now
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that we're going to start to disassemble this drum we're going to get to the e clutch drum
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and where we're going to start to notice some differences in
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how they do the eight speeds all right seems like for
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you guys this is going to be a good thing on your trucks
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unlike the 8 hp 90 and 95 and the hellcats
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that took about a thousand horsepower stock before you started tearing
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up this e -clutch drum they decided to upgrade it
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and make it still in this setup
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but what we're going to be starting to work on we're
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in the process of working on right now it's a new setup of frictions and stills
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so we can actually start adding some more holding capacity to
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both of these drums now we're going to start digging into both the c
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and e clutch drums and looking at the frictions
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and stills frictions look like they're going to hold quite a bit same with the stills
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but we know how you guys like more so we're going to find a way to add more
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as we start to get into the tail housing we're going to notice
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that it's a lot different than any of the other zf8 speeds we've seen where they integrate the tail housing
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and the main case all into one
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so it takes a little bit of different work to get this apart
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but we got it as we were disassembling this main drum we did notice
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that it is a lot thicker than all the other zf8 speeds out there on the road
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that are prone to braking on disassembly
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so they're trying to make everything hold a lot more torque
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in these trucks opening up our output carrier we're going to get into our d clutches here
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and i'm going to be quite honest i am fully surprised
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on how well they built these units with the zfa speed
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all torn down i have to tell you i am very
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impressed cummins decide to throw a transmission behind their power plant to actually hold up
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but we're going to make some things better for you guys stay tuned for what we have coming down the pipe .
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação usa o vídeo “NEW CUMMINS ZF 8 SPEED TEARDOWN”. As palavras que mais se repetem: speed, drum, appear, clutch, digging. Este vídeo tem 64 frases e 811 palavras para praticar shadowing. A fala dura 3:41. O falante fala rápido, cerca de 220 palavras por minuto, então espere sons ligados e reduzidos. Apenas 80% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| drum substantivo | /ˈdɹʌm/ | tambor |
| clutch substantivo | /ˈklʌt͡ʃ/ | embraiagem, embreagem |
| dig verbo | /dɪɡ/ | cavar, escavar |
| tear verbo | /tɛɹ/ | rasgar |
| transmission substantivo | /tɹænsˈmɪʃən/ | transmissão |
| pump substantivo | /pʌmp/ | bomba |
| valve substantivo | /ˈvælv/ | válvula |
| friction substantivo | /ˈfɹɪkʃən/ | fricção |
| tail substantivo | /ˈteɪ̯l/ | rabo, cauda |
| identical adjetivo | /ɪˈdɛntɪkl̩/ | idêntico |
| resemble verbo | /ɹɪˈzɛmbəl/ | assemelhar-se a, semelhar |
| planetary adjetivo | /ˈplænɪˌtɛəri/ | planetário |
| trick substantivo | /ˈtɹɪk/ | artimanha, truque |
| thick adjetivo | /θɪk/ | espesso, grosso |
| output substantivo | /ˈaʊtpʊt/ | produção |
Phrasal verbs que você vai ouvir
| Palavra | Significado |
|---|---|
| pull out verbo | retirar, retirar-se |
Pronúncia para ficar de olho
O falante usa 25 contrações e formas reduzidas, como we're, I'm, they're. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “sh” e “zh”: transmission /tɹænsˈmɪʃən/, friction /ˈfɹɪkʃən/, shaft /ˈʃɑːft/
- Palavras longas — acerte a sílaba tônica: planetary /ˈplænɪˌtɛəri/, manufacturer /ˌmænjʊˈfæktʃəɹə/, disassemble /dɪs.əˈsɛm.bəl/, disassembly /dɪsəˈsɛmbli/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: dig /dɪɡ/, pump /pʌmp/, integrate /ˈɪn.tɪ.ɡɹeɪt/, trick /ˈtɹɪk/, thick /θɪk/
- /l/ final — a língua toca o céu da boca, não vira “u”: tail /ˈteɪ̯l/, resemble /ɹɪˈzɛmbəl/, integral /ˈɪntəɡɹəl/, disassemble /dɪs.əˈsɛm.bəl/
- /h/ — um sopro suave, diferente do “r”: hellcat /ˈhɛlˌkæt/, horsepower /ˈhɔɹsˌpaʊɚ/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como drum, clutch, dig.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.