Manual Transmission: Definition, Functions, Components, and How it Works

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All right, we will share information with you about functions, components, and how manual transmission works. The reason is still many people who do not understand this. So, it will better if you know the parts of the transmission. Especially if you have a car with a manual drive, information about manual transmission seems trivial but can affect the vehicle’s performance. Therefore this description can be an exciting topic. At least when your car breaks down, and the problem is related to the transmission system, you will know more about what you have to do.

Thus you can find out the location of damage to the transmission system more quickly. Even just knowing how it works, you can take better care of your vehicle. We will provide a complete and more specific overview of the definitions, functions, components, and how manual transmissions work.

What Is A Manual Transmission?

In general, the transmission is an engine component that changes the speed and power of the engine rotation aimed at the wheels. So, the vehicle moves according to its acceleration. The power transfer system includes vehicle clutches, transmissions, differentials, axles, and wheels. All components are connected.

Manual Transmission Functions

Transmission in every motorized vehicle will deliver power from the engine to the wheels. However, the difference lies in the working system. Following are some functions of manual transmission:

  • Delivering power or engine speed from the clutch to the propeller shaft.
  • The transmission will change the moment generated by the engine as needed, depending on the burden borne by the engine and road conditions.
  • Allows vehicles to move backward or reserve with a gear shift. Generally, this movement can be done by vehicles that have more than two wheels, such as cars.

7 Manual Transmission Components

The following are seven components of manual transmission:

1. Transmission Case or Transmission Input

The transmission case will be responsible for receiving output from the clutch unit. In other words, this component is one of the parts in manual transmission and also as a place for all transmission components.

2. Transmission Gear

This component changes the input from the engine system to torque output. To get a transmission that is equal or under the needs of the vehicle.

3. Synchronizer

As a medium to complement or assist in speed transfer in super high rotation conditions. With the adjustment gear, manual transmission performance will be more comfortable.

4. Gear Shift Lever and Shift Fork

These components function to drive or operate the transmission system carried out by the driver.

5. Reverse Gear

Reverse gear is a crucial component because it changes the direction of the output shaft rotation. Allow the vehicle to move backward if needed.

6. Hub Slave

The Hub slave functions as an adjustment lock that occurs in the acceleration gear and allows the output shaft to rotate and stop.

7. Main Bearing and Output Shaft

Main Bearing functions as a bearing of the output shaft. Meanwhile, the output shaft will close the shaft, which is also a gear stick holder.

All components in the manual transmission system significantly affect the vehicle’s performance. No wonder the manual transmission consists of many parts that are connected.

How the Manual Transmission Works

The following is an explanation of how the manual transmission works based on gear position.

  1. In neutral (N), power from the engine will not be distributed to the output shaft because Synchromesh is free or not connected to the level gear.
  2. When the transmission lever is pressed, the gear shift will automatically rotate along with the shift drum regulator. This regulator then links and pushes the drum shift until the spin conditions.
  3. The shift drum will be attached to the pin gear selector fork. The pin will lock the selector fork on the thread.
  4. The gear selector fork that is connected to the sliding gear will move to the right or left. His movements will follow the steps of the gear selector fork. Each sliding gear movement will lock the gear speed that is adjusted to the shaft sector where the gear is located.
  5. Speed gear will rotate freely on each axis. For example, when gearshift occurs while driving, in fact, it is a locking process on speed gears. The locking is related to the shaft, where the gear is located in the locking process carried out by the sliding gear.

At first glance, the mechanism of a manual transmission is quite complicated and difficult to understand. In every gearshift process, there must be a gear shifting component of a specific acceleration. When one of the acceleration is selected, the sliding gear will lock and rotate on its respective axis.

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