Heavy Equipment Repair Services Miami
A transmission is one of the most important components that moves your equipment.
It’s what moves power from the engine to the wheels.
There are many types of transmissions that may require repair including automatic transmissions, manual transmissions, semi automatic transmissions, direct shift gearbox (DSG), TipTronic gearbox, and continuous variable transmissions (CVT).
Whatever type of transmission your equipment has, the transmission has the same main function of enabling the gear ratio between the drive wheels and engine to adjust as the vehicle slows down and speeds up.
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When equipment is stopped, the transmission disconnects the engine from the drive wheels so the engine keeps idling when the wheels aren’t in motion.
Transmissions also enable quick acceleration from a stop and enable the engine to run more slowly to cut down on wear while the vehicle is driving at constant speeds.
An automatic transmission includes many working parts that require regular maintenance and may require repair including the torque converter, planetary gearset, pump, clutches, bands, sensors, valve body, and transmission fluid,
All these parts are crucial and important to work together to deliver the torque needed to the wheels to move the vehicle where you wanted to go.
Other types of transmissions include similar, but not yet as many parts that may need repaired, maintained, or replaced.
There are many types of repairs that may be needed depending on the type and part of the transmission that’s not working.
Here’s the main components of an automatic transmission where common problems can occur within heavy equipment.
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Here’s the main components of an automatic transmission where common problems can occur within heavy equipment.
Pump
The pump can be found between the torque converter and the planetary gear set
It’s what draws transmission fluid in and pressurizes it for the torque converter and transmission.
An automatic transmission for example, relies on fluid pressure for its components to function, it’s the heart of the transmission.
Planetary Gear Set
The planetary gear set consists of a sun gear, planet gears, and a ring gear, and is responsible for all of the gear ratios of your equipment.
It works by the ring gear connecting to the planet gears, with the sun gear in dead center.
The gear ratio is determined by how the planet gears are locked or unlocked, and the planet gears then revolve around the sun gear.
The rotational force produced is then sent to the output shaft, which is connected to the wheels
Clutches & Bands
Clutches and bands are necessary to help the transmission shift gears by permitting gears to rotate, engage, or disengage.
With clutches, pressurized fluid is applied which causes the pistons to engage, then sending the power to the wheels.
Bands are wrapped around the gear train and will either tighten or loosen depending on whether gears should be engaged or disengaged.
Torque Converter
The torque converter is a hydraulic fluid coupling that connects the engine to the transmission.
The torque converter has mini parts including a stator, impellor, and turbine
These parts work in tandem to produce torque that the transmission can use by way of fluid pressure.
The torque produced is exactly what allows your equipment to accelerate after stopping, and it allows the transmission to stay in gear while the equipment is stationary.
The torque converter can spin as fast as the engine is going while also spinning independently from the transmission.
The stator is one part of the torque converter that allows you to accelerate again after a complete stop.
If the torque converter malfunctions, you will often experience erratic behavior such as shuddering and slipping.
Valve Body
The valve body is a hydraulic control center that regulates transmission fluid to run a group of spring-loaded valves, check balls, and servo pistons.
The valves determine what gear ratio is used by sending fluid to the clutches and bands
The pressure of the transmission fluid determines which valves are opened or closed.
Transmission Fluid (ATF)
Transmission fluid provides fluid pressure and lubricates and cools so the transmission doesn’t overheat.
ATF is made from a variety of synthetic liquids and oils with added chemical properties such as detergents, rust preventatives, and lubricants
Transmission fluid will require regular maintenance to prevent it from collecting contaminants and losing its effectiveness.
No matter what kind of transmission maintenance,repair, or replacement you may need, Heavy Equipment Repairs Miami has you covered.
We can work on your transmission in our shop, or on site. And, we can do it quickly through our emergency repair service.
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Heavy Equipment Repair Services Miami
Phone: (786) 876-7802
Email: info@heavyequipmentrepairmiami.com