HOW-TO: Replace The Sepro Blackhawk 100 Cone Crusher Mantle

Video detailing the steps required in replacing the mantle in the Sepro Blackhawk 100 Cone Crusher.
The Sepro Blackhawk 100 Cone Crusher is a modern, hydraulically operated cone crusher designed to be simple, rugged and effective for heavy duty mining and aggregate applications. The combination of the speed and eccentric throw of the crusher provides fine crushing capability and high capacity in a very compact design.
Learn more about the Blackhawk Cone Crusher at minerals.sepro...
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Typically how long should this exercise take a competent fitter?