IVT GEARBOX PDF

Forget the past, look into the future! Edyson IVT is a specific type of CVT the infinitely variable transmission , in which the range of ratios of output shaft speed to input shaft speed includes a zero ratio that can be continuously approached from a defined "higher" ratio. A zero output speed low gear with a finite input speed implies an infinite input-to-output speed ratio, which can be continuously approached from a given finite input value with an IVT. Low gears are a reference to low ratios of output speed to input speed. This low ratio is taken to the extreme with IVTs, resulting in a "neutral", or non-driving "low" gear limit, in which the output speed is zero. Because continuously variable transmissions are built with fewer parts compared to conventional transmissions, they are less expensive to manufacture.

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The transmission will not automatically shift with varying engine load to maintain your selected ground speed. For most applications, positions 1, 2, or 3 should be selected to provide maximum productivity and minimize fuel consumption. Position 1 - Primarily for PTO-powered applications: In positions 1, 2, or 3, the tractor tries to maintain the selected travel speed at reduced engine rpm for reduced fuel consumption and increased efficiency.

In position 1 and the PTO engaged, the engine rpm can only be reduced minimally in order to maintain proper PTO operating speed of or rpm. When a load is placed on the tractor, the engine will first increase power to maintain PTO rpm. Once maximum engine power is reached and additional load is placed on the tractor, the IVT transmission will reduce speed enough to keep the motor at maximum power until the tough condition is over, then the transmission will increase the speed back up to the speed selected.

Once the load is reduced further, engine rpm will again drop to reduce fuel consumption. All of this is done automatically through the Electronic Management System maintaining communication between the engine and transmission. Position 2 - For heavy draft and tillage applications or when hydraulic flow is needed: As in position 1, the tractor will try to maintain the selected ground speed at reduced engine rpm for improved efficiency and reduced fuel consumption. Since the PTO is no longer involved, the rpm is allowed to go lower than in position 1.

Once the tractor is through this tough spot, the IVT will ratio up increase speed back to the selected speed and the engine will reduce rpm. All of these operations are performed automatically by the Electronic Management System.

Position 3 - For transport and light tillage applications: In this position, the engine rpm will reduce lower than in positions 1 or 2 to save additional fuel. As before, the minimum engine rpm is adjustable in the CommandCenter to allow the operator to customize the tractor to the applications. In the end, the Electronic Management System operates similar to the traditional "gear up and throttle back" operation performed manually.

However, because the Electronic Management System is continually communicating with the engine and transmission and making appropriate adjustments based on inputs received from the tractor, it responds quickly and precisely to changing conditions.

This allows maximum efficiency and productivity from the tractor. Because the changes are automatic, it reduces the reliance on operator experience to make the appropriate manual adjustments.

Even the most experienced operator will see enhancements to tractor productivity while minimizing fuel consumption in all applications. Set speed adjuster used to set the maximum speeds in each of the variable speed bands. Setting of maximum speeds can be adjusted either on-the-go or when the tractor is stationary. Multi-function left-hand reverser with six positions. Foot brake, with integrated AutoClutch function. Speed control lever Speed control lever The speed control lever controls the commanded speed of the tractor.

This speed is variable from a very slow speed at the bottom end of the first band up to the preset set speed 1 at the end of the first speed band. The commanded speed is then variable from set speed 1 to set speed 2 at the end of the second variable speed band. As the operator moves the lever within or between speed bands, the Electronic Management System ensures smooth, quick, and powerful acceleration or deceleration, regardless of load or ground speed.

Set speed adjusting wheel Set speed adjusting wheel The set speed adjusting wheel is a rotational wheel located on top of the speed control lever.

The wheel is quickly and easily adjusted with the thumb. It is used to set the maximum speed for each speed band. The speed wheel rotates infinitely with no stop or start position to allow quick adjustment of the maximum set speeds. Set speed can be adjusted on-the-go or while stationary. While in motion, the speed lever must be in the speedband for which you wish to set the maximum set speed. While stationary, all set speeds may be adjusted while the left-hand reverser is in the scroll position.

The maximum speed selected is shown on the digital display. Left-hand reverser Multi-function left-hand reverser Park Position - Engages the electromechanical park lock. Lever must be in this position to start the tractor.

Neutral Position - Straight above the park position. Allows tractor to roll freely. Scroll Position - Center Position without being held. When the reverser lever is placed in this position, the tractor will not roll. The tractor will be in PowerZero while the set speeds are set to the desired speeds. It is in this position that the four set speeds can be selected while the tractor is stationary.

Shifting the reverser lever to PowerZero position and holding it there will keep the tractor stationary regardless of load or incline. This is ideal for loader work of other operations where the tractor needs to be totally stationary for a short period of time.

Forward and Reverse Positions - Traditional left-hand positions. For changing direction of travel, these positions are easily shifted between smoothly and positively. At low idle only, the tractor will stop by depressing only one brake pedal. Pressing both brakes simultaneously will stop the tractor from any ground or increased engine speed.

This can be done on flat ground or steep slopes simply by using the brake pedals, it is not necessary to depress the clutch. It is recommended to lock the brake pedals together when operating on roads. Note: The preferred method of stopping heavy towed loads is to slow the IVT speed lever and lower engine rpm first, and then depress both brake pedals.

Foot throttle Foot throttle.

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