Jacking system for tyre changing

By Alex Dahm12 August 2009

Shuttlelift jacking system

Shuttlelift jacking system

Shuttlelift has developed a new wheel jacking technique and an automatic variable throttle (AVT) system for its SL and ISL gantry cranes.

The wheel jacking application is available on all units with a cantilevered wheel frame. A self-contained motor, pump and hydraulic reservoir can be hooked up to the crane's battery, a standalone 12 V battery or the battery of a service vehicle.

The system will drive the pump, actuating an hydraulic cylinder that is bolted to the wheel frame, raising the wheel clear of the ground enabling the flat tyre to be changed, explains Kurt Minten, director of industrial sales. "The beauty of this system is that tyres can be changed in confined spaces where access with cranes or large forklifts is difficult."

The built-in programming of the AVT automatically adjusts the engine speed to produce sufficient power to carry out the task in hand. "For example, depending on what function the crane operator selects, whether that's the use of only one hoist or hoist and traverse operation, then the AVT will only produce sufficient rpm to accomplish that selected activity and will always return to idle once the task has been completed," says Shuttlelift.

With the AVT option, engine speed management does not require any operator input. "There are no manual processes to be completed before a significant reduction in fuel consumption is immediately realised," adds the company.

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