The checkpoint is the most traditional and significant element of any vehicle. Without it, the movement of the car becomes impossible. The box provides the transmission of torque from the motor to the wheels by means of a cardan shaft or directly depending on the drive. The improvement of the manual transmission is based on the fact that if they were preferably produced cam type preferably, today they are more like sports options in their characteristics. These mechanical gearbox differ from the old versions of the boxes in the inability to leap speed when the transmission changes. In turn, this is considered as a wonderful solution that improves the comfort and security of management.
Content
MCPP, device mechanics
MCP consists of the following individual components:
- Carter is the most important component of the MCPP. In fact, all the main details and elements of various types are located here. Carter PPC is fixed on a clutch crankcase, which is known to be connected to the engine. In the process of the PPC, the Carter is subjected to incredible loads. Therefore, it must constantly receive the required amount of lubrication, for which there is a special transmission oil, although some models are allowed to pour and motor.
- Synchronizers are needed for smooth speed switching. When the driver is turned on on the manual transmission, the main task of synchronizers is to ensure silent and smooth operation.
- Shafts with gears (extra, intermediate, secondary, primary) are distinguished by the presence of the gears on which there is a different amount of teeth. They rotate in the bearings that are in the crankcase.
- A special component that is responsible for switching steps with locking and locking mechanisms. It monitors changes in the checkpoint, which are carried out by the driver from the machine's salon using a special lever. The locking mechanism limits simultaneous inclusion when operating two speeds, and the locking - does not allow the transmission to spontaneously turn on or off.
- The lever with which the driver adjusts the vehicle speed. It is also responsible for switching gear during transport.
Principle of operation
If the control lever is located in a neutral position, torque from the "engine" is not transmitted by the drive wheels. When moving the control lever, the alarm clutch moves a certain plug. The coupling itself is responsible for synchronizing the angular velocities of the slave shaft and gears.
The gear gear is engaged in engaging with a gear crown of the clutch than the gear lock on the slave shaft is ensured. The movement of the car with reversing is provided by the corresponding transmission of the box. Changing the direction of rotation is created using the reverse gear.
MCPP, main problems and solutions
- Rales and cracks of oil seals or sealing pads, the occurrence of cracks in the gearbox housing, weakened fastening of crankcase hatches, resulting in leaking oil. In such a situation, replace the glands, gaskets, tighten the attachments of the hatches.
- The breakdown of spline connections, gears, bearings, the synchronizer entails the appearance of characteristic noise during the operation of the manual transmission. A malfunction is eliminated by replacing damaged and weak nodes and machinery elements. In addition, you need to replace damaged synchronizers, gears and switching mechanism nodes. Otherwise, difficulties may occur with the inclusion of gear.
- Damage to synchronizers and gears, as well as the output of the blocking device failure, can lead to spontaneous transmission. In this case, you must urgently change faulty nodes.
Oil for MCPP, oil quality requirements
Transmission oils have their own class viscosity and quality levels. They can be semi-synthetic, synthetic and mineral.
The most popular viscosity indices - 9, 12, 18 and 24 CST. The smaller the digit, the lower the temperature withstands the oil before thickening in the cold. The most popular oil is 75W-90. It is considered universal and it is actually actually for all cars.
GL1 - GL3 class brands can be used for the MCPP of old cars, and the GL4 and GL5 brands are considered to be advanced. GL4 must be poured into modern cars, and GL5 in new foreign cars.
Oil level in manual transmission, how to check the oil level in the manual transmission step
- First of all, you need to put a car on a flat horizontal surface.
- Next, squeeze the clutch pedal and put the car on the handbrake.
- From the moment of turning off the motor must pass two minutes.
- Then we unscrew the culp cover of the MCPP.
- If the oil flows, it means it is in the required level.
- If a special meter is absent, use a screwdriver or metal rod to check the oil level.
- Tighten the plug-in cover.
Advice of professionals how to extend the life of the manual transmission
To extend the LIFE of the manual transmission, it is necessary to properly exploit it. First, a transmission oil should be changed in a timely manner, which must be qualitatively qualitative. Regularly check the oil level and plot it if necessary. In addition, learn how to switch the transmission correctly. Otherwise, the manual box may fail.
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