RCT remotes ‘impossible’ dozer in Kentucky

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In order to adhere to America’s Mine Safety and Health Administrations’ (MSHA) new regulations to remove operators from dozers pushing coarse coal refuse into a tailings pond, Alliance Resource Partners looked to remote its two dozers at its River View Coal mine in Uniontown, Kentucky.

While its Caterpillar D6T was a straightforward installation, its older model Caterpillar D8R was more complicated and deemed virtually impossible by other remote technology companies. However RCT was unconvinced. With a reputation for being able to adapt its technology to any machine, it was keen to rise to the challenge and retrofit its ControlMaster Line-of-Sight Remote Dozer System (ATX2200). This was successfully completed by RCT’s custom team – a dedicated projects team with the resources and expertise to find the answers to problems and adapt current systems.

While the deployment of the remote system to the D6T dozer was standard, the D8R required extensive hardware to be fitted in order to achieve all functions remotely. This feat was not only a first for the RCT team, but most likely the first D8R to be put on remote control.

RCT custom projects manager John Androvich described the D8R installation as an extremely challenging job, however this didn’t discourage him and the team from tackling it head on: “It was a massive task as the D8R was about 15-years-old so it was all mechanically driven, whereas most new models we deal with today are now electric.”

The process required a collaborative approach, with the custom team engaging with RCT’s development team, a hydraulics specialist and a machinist to hand-make some of the componentry. The project required the team to convert the machine to electric, before converting it to hydraulic and then back to mechanical in some instances.

Androvich credited his experienced team for the success of the job as the mechanical aptitude required to understand the machine was extensive.

“We are lucky to have such an experienced team here at RCT, so we were able to draw on this extensive experience to create something that other remote companies said was virtually impossible,” he said.

RCT has received extremely positive feedback about the job carried out at River View Coal. “The D8R is an older machine and was a much more intense installation – they did a really good job in setting it up and within a couple of weeks it was up and going,” said River View Coal Mine engineer Mark Henshaw.

“We have been told that the 15-year-old machine is now the preferred machine of use – we got a fair buzz out of hearing that! It’s a definite credit to the team,” added Androvich.

The installation of the ControlMaster Line-of-Sight remotes to the dozers has allowed operators to remotely control the dozers and push slurring into the tailing pond, from a safe distance, on stable ground, abiding by the MSHA’s new regulation.

Click here to watch a video of of the remote control dozer in Uniontown, Kentucky. 

August 5, 2016

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Tom Stone is Editor of the iVT brand – which includes digital and print editions of a quarterly magazine, Off-Highway Annual, and the Advanced Lift-truck supplement, as well as the iVT website ivtinternational.com, which is updated daily with industry news, exclusive features and expert opinion. During his time at the helm of iVT Tom has met and interviewed some of the world's leading industrial vehicle OEM presidents, CEOs and MDs, and takes great pride in cementing iVT's place as the leading forum for debate within the industry, a reputation that his been built up over the brand's 25-year history.

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