komponen mesin cylinder head mobil

Summary

This instructional video script details the components and assembly process of a Kijang 5K engine's cylinder head. It begins with the removal of bolts using a 12mm wrench and proceeds to explain the function of various parts, including seal washers, cylinder head cover, intake and exhaust valves, and rocker arms. The script also covers the disassembly and reassembly of valves, using tools such as a magnet and a spring compressor. It emphasizes the importance of proper installation of the valves and the rocker arm assembly, and concludes with the tightening of bolts in a specific sequence to ensure engine integrity.

Takeaways

• 🔧 The video script is a tutorial on the components of an engine, specifically focusing on the cylinder head of a Kijang 5K engine trainer.
• 🔨 It begins with the removal of a silver bolt using a size 12 wrench.
• 🛠 The script describes the presence of seal washers and the cylinder head cover, followed by the identification of intake and exhaust ports leading to the carburetor.
• 🔧 The intake and exhaust valves, referred to as 'X' and 'in', are distinguished by their shape and function.
• 🔧 The script explains the removal of the rocker arm bolts and the presence of a pushrod, which is essential for the engine's operation.
• 🔧 The removal of the valves, or 'klep', is demonstrated using a tool, and the importance of the valve springs and keepers is highlighted.
• 🔧 The use of a magnet tool to remove the 'kuku macan', or tappet, is shown, which is a critical part in the valve train.
• 🔧 The script mentions the presence of a bushing and a rotating valve, indicating the complexity of the cylinder head assembly.
• 🔧 The reassembly process is outlined, emphasizing the correct placement and securing of the valves, springs, and keepers.
• 🔧 The importance of using the correct size wrenches and tools for assembly is stressed to ensure proper fit and function.
• 🔧 The final steps involve tightening the bolts in a specific order and using a torque wrench to meet standard specifications, ensuring the engine's optimal performance.

Q & A

What is the video script about?

The video script is about explaining the components of an engine, specifically focusing on the cylinder head of a Kijang 5K engine trainer.

What tool is used to open the silver bolt on the engine?

A wrench with a size 12 is used to open the silver bolt on the engine.

How many seal washers are there in the cylinder head?

There are two seal washers in the cylinder head.

What is the purpose of the intake and exhaust in the engine?

The intake and exhaust are responsible for the flow of air and fuel mixture into the carburetor (intake) and the expulsion of exhaust gases (exhaust).

What is the term used for the valve that controls the intake and exhaust in the engine?

The valve that controls the intake and exhaust is referred to as the 'klep' or valve in the script.

How many pushrods are there in the type of car being discussed?

There are 8 pushrods in the type of car being discussed in the script.

What is the purpose of the rocker arm in the engine?

The rocker arm is a component that helps in the movement of the valves, transferring the motion from the camshaft to the valves.

What is the term used for the camshaft in the script?

The term used for the camshaft in the script is 'kuku macan'.

What is the function of the valve springs in the engine?

The valve springs are responsible for closing the valves after they have been opened by the camshaft.

How many valves are there in one cylinder head according to the script?

There are two valves in one cylinder head, one for intake and one for exhaust.

What is the significance of the 'bushing' mentioned in the script?

The bushing is a component that provides a smooth surface for the valve stem to move within, reducing friction and wear.

Outlines

00:00

🔧 Introduction to Engine Components

The video script begins with the host greeting the audience and introducing the topic of the video, which is the explanation of engine components. The host demonstrates the disassembly of a trainer Kijang 5K engine, starting with the removal of the cylinder head's silver bolts using a 12mm wrench. The script includes the host's actions such as clapping and the use of music to emphasize the steps. The audience is guided through the identification of parts such as the seal washer, cylinder head cover, exhaust and intake ports leading to the carburetor, and the rocker arm assembly. The host also explains the removal of pushrods and the use of a 14mm wrench to detach the valve springs, emphasizing the importance of not losing any parts during the process.

05:11

🔧 Cylinder Head Disassembly and Valve Components

In the second paragraph, the script continues with the detailed disassembly of the cylinder head, focusing on the valve components. The host introduces the concept of 'kuku macan' or tappet, and demonstrates the removal of the tappet using a magnet and a special tool called an 'obeng'. The script describes the function of the valve springs, the retainers, and the importance of the correct positioning of the valves. The host explains the different parts of the valve assembly, including the valve stem, the valve head, and the valve guide. The summary also includes the reassembly process of the cylinder head, mentioning the use of a torque wrench for tightening the bolts to the correct standard and the final step of closing the cylinder head.

10:12

🔧 Valve Installation and Cylinder Head Reassembly

The third paragraph of the script describes the process of installing the valves and reassembling the cylinder head. The host instructs the audience on how to properly place the valves into their respective holes and ensure that the valve stems are visible. The script details the use of a tracker tool to press down on the valve springs and install the tappets. The host also covers the reassembly of the rocker arms and the tightening of the associated bolts, emphasizing the correct sequence and torque for each step. The video concludes with the final tightening of the cylinder head bolts and the host's reminder to use a torque wrench to ensure the bolts are tightened to the manufacturer's specifications.

Keywords

💡Cylinder Head

The cylinder head is a critical component of an internal combustion engine, forming the top of the cylinder and housing the valves, spark plugs, and other components. In the video's context, the cylinder head is being disassembled and reassembled, with various parts such as the valves and rocker arms being discussed.

💡Seal Washer

A seal washer is a type of gasket used to prevent leakage in mechanical assemblies. In the script, the seal washer is mentioned as part of the cylinder head assembly, ensuring a tight seal between the cylinder head and the engine block.

💡Intake and Exhaust

Intake and exhaust refer to the processes of drawing air and fuel into the engine (intake) and expelling burnt gases (exhaust). The script mentions intake and exhaust valves, which are crucial for the engine's operation, allowing the flow of gases in and out of the combustion chamber.

💡Carburetor

A carburetor is a device that mixes air and fuel for an internal combustion engine. The script refers to the intake and exhaust ports that connect to the carburetor, indicating the flow of air and fuel mixture into the engine.

💡Rocker Arm

Rocker arms are mechanical levers that transfer motion from the camshaft to the valves. The script describes the removal and installation of the rocker arms, which are essential for the operation of the valves within the cylinder head.

💡Valve

Valves in an engine control the entry of the air-fuel mixture into the combustion chamber and the exit of exhaust gases. The script discusses the opening of valves, such as the intake and exhaust valves, using a tool, which is a part of the engine's maintenance process.

💡Spring Retainer

A spring retainer is a component that holds the valve spring in place. The script mentions the use of a spring retainer during the valve assembly process, ensuring that the valve spring is correctly positioned and secured.

💡Keep Ring

A keep ring, also known as a retainer ring or snap ring, is used to secure parts in place. In the script, keep rings are mentioned in the context of the valve assembly, where they help to hold the valves in their correct positions within the cylinder head.

💡Piston

The piston is a component that moves within the cylinder, transferring power from the combustion process to the crankshaft. The script refers to the piston as part of the assembly process, indicating its importance in the overall engine function.

💡Torque Wrench

A torque wrench is a tool used to apply a specific amount of torque to a fastener, ensuring it is neither under nor over-tightened. The script mentions using a torque wrench to tighten the cylinder head bolts to the correct specification, which is crucial for engine reliability and performance.

💡Radiator

A radiator is a heat exchanger used to cool the engine by circulating coolant through it. The script briefly mentions the radiator and its water channels, indicating the importance of the cooling system in maintaining engine temperature.

Highlights

Introduction to the components of an engine, specifically focusing on the cylinder head.

Explanation of the process to open the cylinder head using a size 12 wrench.

Identification of the seal washers and the cylinder head cover.

Description of the intake and exhaust components leading to the carburetor.

Differentiation between the intake and exhaust valves with their respective shapes.

Removal of the rocker arm bolts and explanation of the rocker arm function.

Identification of the vehicle type and the pushrods associated with it.

Demonstration of valve removal using appropriate tools.

Use of a magnet to remove the keepers, also known as 'kuku macan'.

Explanation of the valve springs and their retainers.

Description of the valve operation and the role of the valve springs.

Identification of the bushings and their function in the valve mechanism.

Assembly instructions for the cylinder head, including the placement of the pushrods.

Detailed assembly of the valves, springs, and keepers in the correct sequence.

Tightening the cylinder head bolts in a specific order to ensure proper compression.

Final assembly steps including the installation of the cylinder head cover.

Emphasis on the importance of using the correct torque to meet standard specifications.

Transcripts

[Musik]

Halo semuanya kembali lagi dengan saya

hari ini saya akan menjelaskan

komponen-komponen pada mesin

di silinder head di sini ada sebuah

mesin

trainer Kijang 5K nanti yang akan saya

jelaskan di bagian silinder head hasil

ini teman-teman bisa lihat ini mesinnya

nah yang pertama di sini kita buka baut

silvernya menggunakan kunci 12

[Musik]

[Tepuk tangan]

sudah sudah

Nah di sini ada bagian pertama adalah

Seal washer nya ada satu dua

yang kedua di bagian sini ada tutup

tutup silinder head

Nah kita bisa bagian yang di sini kita

lihat di sini ada

[Musik]

exhaust atau in yang masuk ke karburator

X dan m nya kita ini ya

kita buka

belum kita ini bisa buka dari sini

[Tepuk tangan]

[Musik]

[Tepuk tangan]

[Musik]

[Tepuk tangan]

[Tepuk tangan]

ini

ada intake dan exhaust yang dimana

intakenya ini adalah masuk ke karburator

yang bulat yang aksesnya itu

diidentiknya dengan yang kotak

kita taruh dulu nah

di sini ada pembagian rocker arm yang

sudah saya jelaskan

kita copot baut-bautnya sudah kita copot

nah

di sini ada namanya di sini tipe

mobilnya tipe mobil

dia makanya harus ada

si batang usrotnya batang pushrot ada 8

batang kucrutnya

sudah batang kusrot kita lepas

di bagian silinder headnya

menggunakan kunci 14

ini hilang ya teman-teman

Nah sekarang kita buka namanya klepnya

teman-teman ya ini klep X ya klep X kita

buka menggunakan alat

[Tepuk tangan]

[Musik]

[Musik]

ditekan sehingga pegasnya turun

teman-teman nah

sini kita menggunakan obeng

obeng magnet

kita

mengambil kipernya ya teman-teman kiper

apa disebut dengan kuku macan

[Musik]

[Tepuk tangan]

[Musik]

Nah ada ada dua ya teman-teman ya kiri

kanan atau kuku macan kita sudah kebuka

kita buka

nah

di sini ada satu penahan pegas

teman-teman di sini ada penahan pegas

penahan kertas di sini adalah

pegasnya klep ya teman-teman untuk

kembalikan posisi klep semula di sini

ada

kita turunin ya teman-teman Nah sini nih

Nah tekan Nah di sini ada klep dinamakan

klep atau valve

[Musik]

ya

Ve

lubangnya ininya yang x-nya kecil ininya

besar jadi ada

4 inch ada 4x jadi satu silinder head

itu ada dua

valve in dan x11 ya ini saya kasih ini

atau klepnya

yang ke selanjutnya teman-teman di sini

ada bushing teman-teman

tang ya teman-teman ini ada pusing

pusing klep ya teman-teman Nah ini

businya klep teman-teman pusing

nah

ini seperti itu konstruksi pada silinder

head ya teman-teman ya di sini ada

pertama adalah

LED terus di sini ada pegas klep di sini

ada penahan klep terus di sini ada yang

dua ini adalah kiper kiper atau disebut

kuku macan ya

Nah kita angkat ya teman-teman Nah di

sini adalah seperti itu teman-teman di

sini adalah untuk

radiator

saluran air radiator yang kedua di sini

adalah penutupnya

dan di sini adalah

intake manipol buat intake

yang bulat adalah

in yang kotak adalah X yang ke arah

knalpot dan di sini ada

yang di sini ada

silinder headnya yang di sininya ada

tabung busi tabung busi di sini ada ring

o-nya di setiap fiturnya juga ada 4 ya

teman-teman yang satu dua tiga empat

busi satu dua tiga empat yang ini adalah

businya terus di sini ada

pegas klep yang di sininya adalah

penahan klepnya yang di sini adalah

businya businya untuk di sini nih

teman-teman ya businya Nah pusing LED

nya terus di sini ada

kiper atau kuku macan mungkin Oke dari

penjelasan saya seperti ini Mari kita

sama-sama memasang dan merakit silinder

headnya lagi yang pertama adalah tabung

busi Kita masukin beserta orangnya

dan kedua businya businya ya teman-teman

kita bisa masukin

dan jangan lupa menggunakan kunci busi

Oke busi sudah masuk

nah tampilannya seperti ini teman-teman

ya

nongol setiap busi satu itu ke ruang

bakar ini adalah ruang bakar ya ada satu

dua tiga empat ini klepnya

X dan in in x x in in X ada 8 jadi

teman-teman kita Sekarang pasang

pada klepnya teman-teman nih teman-teman

klep x nya Kita masukin ke sini

teman-teman lubangnya sini nih Kita

masukin kita tekan nah sehingga kita

tekan sehingga ininya muncul batang

ininya teman-teman nah

ke atas Nah di sini kita

pegasnya teman-teman pegas klepnya dan

penahannya sudah penahannya kita

menggunakan alat tracker teman-teman

biar menekan

pada

web tersebut

ya kita tekan

sehingga pegasnya turun

pegasnya turun tinggal kita pasang

kipernya

[Musik]

[Musik]

terpasang super

[Musik]

sudah teman-teman dapat pasang pegasnya

dan kita langsung ke bagian silinder

headnya

[Tepuk tangan]

Nah di sini ada kita jangan lupa

masukkan teman-teman untuk menggerakkan

pelatuk rocker armnya ada 8 nya

teman-teman dan yang yang kedua di sini

ada

rocker arm nya

kita pasang

dan yang selanjutnya kita bisa baunya

nanti

yang selanjutnya bautnya bisa kita

pasang baut rocker arm dan baut silinder

headnya teman-teman berjumlah 10

[Musik]

kita pasang

dan kita Kencangkan

menggunakan kunci

[Tepuk tangan]

[Musik]

ya teman-teman kalau bisa kencenginnya

kebalikan saat kebuka yang di nomor urut

yang terakhir teman-teman Ya berarti

yang tadi terakhirnya di tengah yang

dibuka adalah 1 2 3

[Musik]

4 5

baut 6

7

8

9

[Musik]

[Tepuk tangan]

10

kita sudah kencang sekuat kita jangan

dipaksa ya teman-teman Dan kita nanti

bisa menggunakan kunci torsi biar

mengetahui kekuatan sesuai standarnya

sekarang tutup pada

kepala silinder

dan ditutup