Pit & Quarry, May 2018
CRUSHING HYDRAULIC BREAKING The diesel electric drive system saves time at startup especially on cold days You can do the zero point adjustment all electronically Plushanski says Whatever size I set the curtain from the blow bars I know is accurate We no longer crush 40 hours a week as we did with our old crusher Instead we only need to crush one or two days a week so every couple of days when I open up I will check the bars and set a new zero point That so much of the machine is computer controlled is a benefit to GreenRock Plushanski adds The computer operation is a major purchase point he says The other crusher we demoed had all mechanical adjustments With the Kleemann one morning when I was firing up I realized I was still set up for RAP I changed the curtain distance as we idled up for concrete I changed the prescreen vibrating and hopper speed I was able to do all three adjustments from the touchscreen whereas the other Oversize is returned to the crushing circuit from the left crusher meant shut down and climbing up with a wrench I would have been up there a half hour trying to dial it down and somehow measure it With the Mobirex it takes me 30 seconds to adjust three parts of the machine versus not being able to adjust the three parts all at once with the other machine he adds You couldnt do the prescreen adjustment and to just do the hopper and blow bar adjustment would have taken me a half hour with the machine off With the Kleemann we are up and running without having to stop Kleemanns diesel electric drive system also saves time at startup especially on cold days Its nice not having to wait for the hydraulics to warm up Plushanski says Its freezing cold up here half the year In the mornings we dont have to wait 25 minutes for the hydraulics to warm up With the old crusher wed start it up run a conveyor and go back to the office to finish our coffees while it warmed up When we demoed the crusher fresh off the boat it was 9 degrees and it was up and running in 15 minutes Another timesaver is the easy setup and dismantling that the Mobirex offers S8 PIT QUARRY May 2018 pitandquarry com
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